ref: 9639189ce55ff3124aa4c5956503d21d4206372c
parent: b172dc86c94c1a28a630998a35fdbaf8b4a7fa8f
author: Sigrid Solveig Haflínudóttir <sigrid@ftrv.se>
date: Sat Dec 2 23:09:12 EST 2023
add pleminary Half-Life maps support Also emulate 80-bit FPU when calculating extents. de_dust2 looked really bad on amd64 without it.
--- a/Makefile
+++ b/Makefile
@@ -23,6 +23,7 @@
common.o\
console.o\
cvar.o\
+ dotadd.o\
d_alpha.o\
d_edge.o\
d_init.o\
@@ -47,6 +48,7 @@
model_brush.o\
model_bsp.o\
model_bsp2.o\
+ model_bsp30.o\
model_sprite.o\
net_loop.o\
net_main.o\
@@ -71,6 +73,7 @@
sbar.o\
screen.o\
snd.o\
+ softfloat.o\
span.o\
span_alpha.o\
sv_main.o\
--- a/bspfile.h
+++ b/bspfile.h
@@ -1,5 +1,6 @@
#define BSPVERSION 29
#define BSP2VERSION ('B'|'S'<<8|'P'<<16|'2'<<24)+#define BSP30VERSION 30
enum {// upper design bounds
--- a/common.c
+++ b/common.c
@@ -7,15 +7,39 @@
bool standard_quake = true, rogue, hipnotic;
void
-torgbx(byte *in, pixel_t *out, int n)
+pal3torgbx(byte *in, pixel_t *out, int n, byte *pal)
{+ int x;
+
if(in < (byte*)out || in > (byte*)(out+n) || in+n < (byte*)out){+ while(n-- > 0){+ x = (*in++)*3;
+ *out++ = 0xff<<24 | pal[x+0]<<16 | pal[x+1]<<8 | pal[x+2];
+ }
+ }else{+ while(n-- > 0){+ x = in[n]*3;
+ out[n] = 0xff<<24 | pal[x+0]<<16 | pal[x+1]<<8 | pal[x+2];
+ }
+ }
+}
+
+void
+paltorgbx(byte *in, pixel_t *out, int n, pixel_t *pal)
+{+ if(in < (byte*)out || in > (byte*)(out+n) || in+n < (byte*)out){while(n-- > 0)
- *out++ = q1pal[*in++];
+ *out++ = pal[*in++];
}else{while(n-- > 0)
- out[n] = q1pal[in[n]];
+ out[n] = pal[in[n]];
}
+}
+
+void
+torgbx(byte *in, pixel_t *out, int n)
+{+ paltorgbx(in, out, n, q1pal);
}
/*
--- /dev/null
+++ b/dotadd.c
@@ -1,0 +1,25 @@
+#include "quakedef.h"
+#include "softfloat.h"
+
+float
+dotadd(float *a, float *b)
+{+ extFloat80_t x, y, m, z;
+ union {+ float32_t v;
+ float f;
+ }f;
+ int i;
+
+ f.f = b[3];
+ f32_to_extF80M(f.v, &z);
+ for(i = 0; i < 3; i++){+ f.f = a[i]; f32_to_extF80M(f.v, &x);
+ f.f = b[i]; f32_to_extF80M(f.v, &y);
+ extF80M_mul(&x, &y, &m);
+ extF80M_add(&z, &m, &z);
+ f.v = extF80M_to_f32(&z);
+ }
+
+ return f.f;
+}
--- a/draw.c
+++ b/draw.c
@@ -11,8 +11,9 @@
qpic_t *draw_disc;
static rectdesc_t r_rectdesc;
-static pixel_t *draw_chars; // 8*8 graphic characters
+static pixel_t draw_chars[128*128]; // 8*8 graphic characters
static qpic_t *draw_backtile;
+Wad *wad_gfx;
//=============================================================================
/* Support Routines */
@@ -27,33 +28,6 @@
static cachepic_t menu_cachepics[MAX_CACHED_PICS];
static int menu_numcachepics;
-qpic_t *
-Draw_PicFromWad (char *name)
-{- mem_user_t dummy = {0};- qpic_t *p, *q = W_GetLumpName (name);
- int n;
-
- n = q->width*q->height;
- memset(&dummy, 0, sizeof(dummy));
- p = Cache_Alloc(&dummy, sizeof(*q)+n*sizeof(pixel_t));
- memmove(p, q, sizeof(*q));
- torgbx((byte*)q->data, p->data, n);
- return p;
-}
-
-void
-CachedPicConv(cachepic_t *p)
-{- qpic_t *q;
- int n;
-
- q = Cache_Check(&p->cache);
- n = q->width*q->height;
- q = Cache_Realloc(&p->cache, sizeof(*q)+n*sizeof(pixel_t));
- torgbx((byte*)q->data, q->data, n);
-}
-
/*
================
Draw_CachePic
@@ -62,8 +36,8 @@
qpic_t *Draw_CachePic (char *path)
{cachepic_t *pic;
- int i;
- qpic_t *dat;
+ int i, n;
+ qpic_t *q;
for (pic=menu_cachepics, i=0 ; i<menu_numcachepics ; pic++, i++)
if (!strcmp (path, pic->name))
@@ -77,23 +51,30 @@
strcpy (pic->name, path);
}
- dat = Cache_Check(&pic->cache);
+ q = Cache_Check(&pic->cache);
- if(dat)
- return dat;
+ if(q)
+ return q;
// load the pic from disk
- dat = loadcachelmp(path, &pic->cache);
- if(dat == nil)
+ q = loadcachelmp(path, &pic->cache);
+ if(q == nil)
fatal("Draw_CachePic: %s", lerr());- SwapPic(dat);
- CachedPicConv(pic);
+ q->width = LittleLong(q->width);
+ q->height = LittleLong(q->height);
+ n = q->width*q->height;
+ q = Cache_Realloc(&pic->cache, sizeof(*q)+n*sizeof(pixel_t));
+ torgbx((byte*)q->data, q->data, n);
- return Cache_Check(&pic->cache);
+ return q;
}
+qpic_t *
+Draw_PicFromWad(char *name)
+{+ return W_ReadQpic(wad_gfx, name, nil);
+}
-
/*
===============
Draw_Init
@@ -101,12 +82,12 @@
*/
void Draw_Init (void)
{- mem_user_t dummy = {0};-
- draw_chars = Cache_Alloc(&dummy, 128*128*sizeof(pixel_t));
- torgbx(W_GetLumpName("conchars"), draw_chars, 128*128);- draw_disc = Draw_PicFromWad("disc");- draw_backtile = Draw_PicFromWad("backtile");+ if(W_ReadPixels(wad_gfx, "conchars", draw_chars, nelem(draw_chars)) < 0)
+ fatal("Draw_Init: %s", lerr());+ if((draw_disc = Draw_PicFromWad("disc")) == nil)+ fatal("Draw_Init: %s", lerr());+ if((draw_backtile = Draw_PicFromWad("backtile")) == nil)+ fatal("Draw_Init: %s", lerr());r_rectdesc.width = draw_backtile->width;
r_rectdesc.height = draw_backtile->height;
r_rectdesc.ptexpixels = draw_backtile->data;
--- a/host.c
+++ b/host.c
@@ -84,7 +84,8 @@
This shuts down both the client and server
================
*/
-_Noreturn void Host_Error (char *fmt, ...)
+_Noreturn void
+Host_Error (char *fmt, ...)
{va_list arg;
char s[1024];
@@ -94,8 +95,10 @@
vsnprint(s, sizeof s, fmt, arg);
va_end(arg);
- if(inerror)
- fatal("Host_Error: recursively entered: %s", fmt);+ if(inerror){+ assert(nil);
+ fatal("Host_Error: recursively entered: %s", s);+ }
inerror = true;
SCR_EndLoadingPlaque(); // reenable screen updates
@@ -584,7 +587,8 @@
Chase_Init ();
initfs(paths);
Host_InitLocal ();
- W_LoadWadFile ("gfx.wad");+ extern Wad *wad_gfx;
+ wad_gfx = W_OpenWad("gfx.wad");Key_Init ();
Con_Init ();
M_Init ();
--- a/mkfile
+++ b/mkfile
@@ -2,9 +2,10 @@
BIN=/$objtype/bin/games
TARG=quake
-CFLAGS=$CFLAGS -D__plan9__
+CFLAGS=$CFLAGS -p -D__plan9__
OFILES=\
+ ${SOFTFLOAT}\ span`{test -f span_$objtype.s && echo -n _$objtype}.$O\span_alpha.$O\
dotproduct`{test -f span_$objtype.s && echo -n _$objtype}.$O\@@ -19,6 +20,7 @@
common.$O\
console.$O\
cvar.$O\
+ dotadd.$O\
draw.$O\
d_alpha.$O\
d_edge.$O\
@@ -44,6 +46,7 @@
model_brush.$O\
model_bsp.$O\
model_bsp2.$O\
+ model_bsp30.$O\
model_sprite.$O\
nanosec.$O\
net_dgrm.$O\
@@ -72,6 +75,7 @@
sbar.$O\
snd.$O\
snd_plan9.$O\
+ softfloat.$O\
sv_main.$O\
sv_move.$O\
sv_phys.$O\
--- a/model.c
+++ b/model.c
@@ -103,7 +103,7 @@
c = in[1];
in += 2;
- while(c){+ while(c && out - decompressed < row){*out++ = 0;
c--;
}
--- a/model.h
+++ b/model.h
@@ -309,6 +309,10 @@
int needload; // bmodels and sprites don't cache normally
bool blend;
+ int ver;
+ int numwads;
+ Wad **wads;
+
modtype_t type;
int numframes;
synctype_t synctype;
--- a/model_brush.c
+++ b/model_brush.c
@@ -26,6 +26,11 @@
int BSP2_LoadMarksurfaces(model_t *mod, byte *in, int sz);
int BSP2_LoadNodes(model_t *mod, byte *in, int sz);
+int BSP30_LoadEntities(model_t *mod, byte *in, int sz);
+int BSP30_LoadLighting(model_t *mod, byte *in, int sz);
+int BSP30_LoadFaces(model_t *mod, byte *in, int sz);
+int BSP30_LoadTextures(model_t *mod, byte *in, int sz);
+
static float
RadiusFromBounds(vec3_t mins, vec3_t maxs)
{@@ -51,23 +56,24 @@
submodel_t *bm;
char name[16];
int (*loadf[HEADER_LUMPS])(model_t *, byte *, int) = {+ [LUMP_ENTITIES] = BSP_LoadEntities,
[LUMP_VERTEXES] = BSP_LoadVertexes,
- [LUMP_EDGES] = nil,
+ [LUMP_EDGES] = BSP_LoadEdges,
[LUMP_SURFEDGES] = BSP_LoadSurfedges,
[LUMP_TEXTURES] = BSP_LoadTextures,
[LUMP_LIGHTING] = BSP_LoadLighting,
[LUMP_PLANES] = BSP_LoadPlanes,
[LUMP_TEXINFO] = BSP_LoadTexinfo,
- [LUMP_FACES] = nil,
- [LUMP_MARKSURFACES] = nil,
+ [LUMP_FACES] = BSP_LoadFaces,
+ [LUMP_MARKSURFACES] = BSP_LoadMarksurfaces,
[LUMP_VISIBILITY] = BSP_LoadVisibility,
- [LUMP_LEAFS] = nil,
- [LUMP_NODES] = nil,
- [LUMP_CLIPNODES] = nil,
- [LUMP_ENTITIES] = BSP_LoadEntities,
+ [LUMP_LEAFS] = BSP_LoadLeafs,
+ [LUMP_NODES] = BSP_LoadNodes,
+ [LUMP_CLIPNODES] = BSP_LoadClipnodes,
[LUMP_MODELS] = BSP_LoadSubmodels,
};
static const int order[HEADER_LUMPS] = {+ LUMP_ENTITIES,
LUMP_VERTEXES,
LUMP_EDGES,
LUMP_SURFEDGES,
@@ -81,7 +87,6 @@
LUMP_LEAFS,
LUMP_NODES,
LUMP_CLIPNODES,
- LUMP_ENTITIES,
LUMP_MODELS,
};
@@ -88,12 +93,12 @@
in = in0;
ver = le32(in);
if(ver == BSPVERSION){- loadf[LUMP_EDGES] = BSP_LoadEdges;
- loadf[LUMP_FACES] = BSP_LoadFaces;
- loadf[LUMP_MARKSURFACES] = BSP_LoadMarksurfaces;
- loadf[LUMP_LEAFS] = BSP_LoadLeafs;
- loadf[LUMP_NODES] = BSP_LoadNodes;
- loadf[LUMP_CLIPNODES] = BSP_LoadClipnodes;
+ // all set
+ }else if(ver == BSP30VERSION){+ loadf[LUMP_ENTITIES] = BSP30_LoadEntities,
+ loadf[LUMP_FACES] = BSP30_LoadFaces;
+ loadf[LUMP_LIGHTING] = BSP30_LoadLighting;
+ loadf[LUMP_TEXTURES] = BSP30_LoadTextures;
}else if(ver == BSP2VERSION){loadf[LUMP_EDGES] = BSP2_LoadEdges;
loadf[LUMP_FACES] = BSP2_LoadFaces;
@@ -102,7 +107,7 @@
loadf[LUMP_NODES] = BSP2_LoadNodes;
loadf[LUMP_CLIPNODES] = BSP2_LoadClipnodes;
}else{- werrstr("unsupported version: %ux", ver);+ werrstr("unsupported version: %d", ver);goto err;
}
@@ -112,6 +117,7 @@
}
mod->type = mod_brush;
+ mod->ver = ver;
for(i = 0; i < nelem(loadf); i++){in = in0+4+2*4*order[i];
--- a/model_bsp.c
+++ b/model_bsp.c
@@ -1,5 +1,7 @@
#include "quakedef.h"
+float dotadd(float *a, float *b);
+
void
BSP_SetParent(mnode_t *node, mnode_t *parent)
{@@ -31,10 +33,13 @@
v = &mod->vertexes[mod->edges[-e].v[1]];
for(j = 0; j < 2; j++){- val = (double)v->position[0] * (double)tex->vecs[j][0] +
- (double)v->position[1] * (double)tex->vecs[j][1] +
- (double)v->position[2] * (double)tex->vecs[j][2] +
- (double)tex->vecs[j][3];
+ // this is... weird.
+ // because everybody built maps long time ago, precision was
+ // (most likely) 80 bits. we could just cast to double here,
+ // but it's not 80 bits and stuff will still be broken.
+ // instead we literally run 80-bit calculation emulated
+ // using SoftFloat. enjoy. or not.
+ val = dotadd(v->position, tex->vecs[j]);
if(val < mins[j])
mins[j] = val;
if(val > maxs[j])
@@ -297,8 +302,7 @@
return -1;
}
mod->numedges = sz / elsz;
- // FIXME(sigrid): why +1?
- mod->edges = out = Hunk_Alloc((mod->numedges+1) * sizeof(*out));
+ mod->edges = out = Hunk_Alloc(mod->numedges * sizeof(*out));
for(i = 0; i < mod->numedges; i++, out++){out->v[0] = le16u(in);
@@ -385,7 +389,8 @@
memmove(out->styles, in, MAXLIGHTMAPS);
in += MAXLIGHTMAPS;
- out->samples = (i = le32(in)) < 0 ? nil : mod->lightdata + i;
+ i = le32(in);
+ out->samples = i < 0 ? nil : mod->lightdata + i;
// set the drawing flags flag
@@ -623,8 +628,7 @@
return -1;
}
mod->numplanes = sz / elsz;
- // FIXME(sigrid): why " * 2"???
- mod->planes = out = Hunk_Alloc(mod->numplanes * 2 * sizeof(*out));
+ mod->planes = out = Hunk_Alloc(mod->numplanes * sizeof(*out));
for(i = 0; i < mod->numplanes; i++, out++){bits = 0;
--- /dev/null
+++ b/model_bsp30.c
@@ -1,0 +1,266 @@
+#include "quakedef.h"
+
+int BSP_CalcSurfaceExtents(model_t *mod, msurface_t *s);
+
+int
+BSP30_LoadEntities(model_t *mod, byte *in, int sz)
+{+ char *p, *s, *e, path[32];
+ Wad *w;
+ int maxw;
+
+ mod->numwads = 0;
+ if(sz == 0){+ mod->entities = nil;
+ return 0;
+ }
+
+ memcpy(mod->entities = Hunk_Alloc(sz), in, sz);
+ if((s = strstr((char*)mod->entities, "\"wad\"")) == nil ||
+ (s = strchr(s+5, '"')) == nil ||
+ (e = strchr(s+1, '"')) == nil)
+ return 0;
+
+ maxw = 4;
+ mod->wads = Hunk_Alloc(maxw * sizeof(*mod->wads));
+ for(s = s+1, p = s; s <= e; s++){+ if(p != s && (*s == ';' || s == e)){+ snprintf(path, sizeof(path), "%.*s", (int)(s-p), p);
+ if((w = W_OpenWad(path)) != nil){+ mod->wads = Arr_AllocExtra(mod->wads, &maxw, mod->numwads-maxw);
+ mod->wads[mod->numwads++] = w;
+ }else{+ Con_Printf("BSP_LoadEntities: %s\n", lerr());+ continue;
+ }
+ p = s+1;
+ }else if(*s == '\\')
+ p = s+1;
+ }
+ return 0;
+}
+
+int
+BSP30_LoadLighting(model_t *mod, byte *in, int sz)
+{+ int i;
+
+ if(sz == 0){+ mod->lightdata = nil;
+ return 0;
+ }
+
+ // FIXME(sigrid): change when colored lighting support is in
+ sz /= 3;
+ mod->lightdata = Hunk_Alloc(sz);
+ for(i = 0; i < sz; i++, in += 3)
+ mod->lightdata[i] = (in[0] + in[1] + in[2])/3;
+ return 0;
+}
+
+int
+BSP30_LoadFaces(model_t *mod, byte *in, int sz)
+{+ msurface_t *out;
+ int i, surfnum;
+ static const int elsz = 2+2+4+2+2+MAXLIGHTMAPS+4;
+
+ if(sz % elsz){+ werrstr("BSP_LoadFaces: funny lump size");+ return -1;
+ }
+ mod->numsurfaces = sz / elsz;
+ mod->surfaces = out = Hunk_Alloc(mod->numsurfaces * sizeof(*out));
+
+ for(surfnum = 0; surfnum < mod->numsurfaces; surfnum++, out++){+ out->plane = mod->planes + le16u(in);
+ out->flags = le16u(in) ? SURF_PLANEBACK : 0;
+ out->firstedge = le32u(in);
+ out->numedges = le16u(in);
+ out->texinfo = mod->texinfo + le16u(in);
+
+ if(BSP_CalcSurfaceExtents(mod, out) != 0)
+ return -1;
+
+ // lighting info
+ memmove(out->styles, in, MAXLIGHTMAPS);
+ in += MAXLIGHTMAPS;
+ i = le32(in);
+ if(i > 0){+ if(i % 3)
+ Con_Printf("misaligned light samples: %d\n", i);+ else{+ // FIXME(sigrid): change when colored lighting support is in
+ out->samples = mod->lightdata + i/3;
+ }
+ }
+
+ // set the drawing flags flag
+ if(strncmp(out->texinfo->texture->name, "sky", 3) == 0)
+ out->flags |= SURF_DRAWSKY | SURF_DRAWTILED;
+ else if(out->texinfo->texture->name[0] == '!'){ // turbulent+ out->flags |= SURF_DRAWTURB | SURF_DRAWTILED | SURF_TRANS;
+ for(i = 0; i < 2; i++){+ out->extents[i] = 16384;
+ out->texturemins[i] = -8192;
+ }
+ }else if(out->texinfo->texture->name[0] == '{')+ out->flags |= SURF_TRANS | SURF_FENCE;
+ }
+ return 0;
+}
+
+int
+BSP30_LoadTextures(model_t *mod, byte *in, int sz)
+{+ int off, i, j, pixels, num, max, altmax, w, h, palsz;
+ byte *p, *in0, *x;
+ texture_t *tx, *tx2;
+ texture_t *anims[10];
+ texture_t *altanims[10];
+ static const int elsz = 16+2*4+4*4;
+
+ if(sz < 1){+ mod->textures = nil;
+ return 0;
+ }
+ if(sz < 4 || (sz % 4) != 0){+ werrstr("funny lump size");+ goto err;
+ }
+
+ in0 = in;
+ mod->numtextures = le32(in);
+ if(mod->numtextures*4 > sz-4){+ werrstr("overflow? %d > %d", mod->numtextures*4, sz-4);+ goto err;
+ }
+ mod->textures = Hunk_Alloc(mod->numtextures * sizeof(*mod->textures));
+
+ for(i = 0; i < mod->numtextures; i++){+ off = le32(in);
+ if(off == -1)
+ continue;
+ if(off < 0 || off > sz-elsz){+ werrstr("bad offset %d (sz %d)", off, sz);+ goto err;
+ }
+ p = in0+off+16;
+ w = le32(p);
+ h = le32(p);
+ pixels = w*h*85/64;
+ tx = Hunk_Alloc(sizeof(*tx) + pixels*sizeof(pixel_t));
+ strncpy(tx->name, (char*)in0+off, sizeof(tx->name)-1);
+ tx->name[sizeof(tx->name)-1] = 0;
+ for(j = 0; j < MIPLEVELS; j++)
+ tx->offsets[j] = sizeof(texture_t) + (le32(p) - (16+2*4+4*4))*sizeof(pixel_t);
+ mod->textures[i] = tx;
+ tx->width = w;
+ tx->height = h;
+ if(tx->offsets[0] > 0){+ // the pixels immediately follow the structures
+ x = p + pixels;
+ palsz = le16(x);
+ if(palsz == 256)
+ pal3torgbx(p, (pixel_t*)(tx+1), pixels, x);
+ }else{+ // alternative: outside, in a wad
+ for(j = 0; j < mod->numwads; j++){+ if(W_ReadMipTex(mod->wads[j], tx->name, tx) >= 0)
+ break;
+ }
+ if(j >= mod->numwads)
+ Con_Printf("missing texture: %s\n", tx->name);+ }
+ if(strncmp(tx->name, "sky", 3) == 0)
+ R_InitSky(tx);
+ }
+
+ // sequence the animations
+ for(i = 0; i < mod->numtextures; i++){+ tx = mod->textures[i];
+ if(!tx || tx->name[0] != '+')
+ continue;
+ if(tx->anim_next)
+ continue; // already sequenced
+
+ // find the number of frames in the animation
+ memset(anims, 0, sizeof(anims));
+ memset(altanims, 0, sizeof(altanims));
+
+ max = tx->name[1];
+ if(max >= 'a' && max <= 'z')
+ max -= 'a' - 'A';
+ if(max >= '0' && max <= '9'){+ max -= '0';
+ altmax = 0;
+ anims[max++] = tx;
+ }else if(max >= 'A' && max <= 'J'){+ altmax = max - 'A';
+ max = 0;
+ altanims[altmax++] = tx;
+ }else{+badanim:
+ werrstr("bad animating texture: %s", tx->name);+ goto err;
+ }
+
+ for(j = i+1; j < mod->numtextures; j++){+ tx2 = mod->textures[j];
+ if(!tx2 || tx2->name[0] != '+')
+ continue;
+ if(strcmp(tx2->name+2, tx->name+2) != 0)
+ continue;
+
+ num = tx2->name[1];
+ if(num >= 'a' && num <= 'z')
+ num -= 'a' - 'A';
+ if(num >= '0' && num <= '9'){+ num -= '0';
+ anims[num] = tx2;
+ if(num+1 > max)
+ max = num + 1;
+ }else if(num >= 'A' && num <= 'J'){+ num = num - 'A';
+ altanims[num] = tx2;
+ if(num+1 > altmax)
+ altmax = num+1;
+ }else{+ goto badanim;
+ }
+ }
+
+#define ANIM_CYCLE 2
+ // link them all together
+ for(j = 0; j < max; j++){+ tx2 = anims[j];
+ if(!tx2){+badframe:
+ werrstr("missing frame %d of %s", j, tx->name);+ goto err;
+ }
+ tx2->anim_total = max * ANIM_CYCLE;
+ tx2->anim_min = j * ANIM_CYCLE;
+ tx2->anim_max = (j+1) * ANIM_CYCLE;
+ tx2->anim_next = anims[(j+1) % max];
+ if(altmax)
+ tx2->alternate_anims = altanims[0];
+ }
+ for(j = 0; j < altmax; j++){+ tx2 = altanims[j];
+ if(!tx2)
+ goto badframe;
+ tx2->anim_total = altmax * ANIM_CYCLE;
+ tx2->anim_min = j * ANIM_CYCLE;
+ tx2->anim_max = (j+1) * ANIM_CYCLE;
+ tx2->anim_next = altanims[(j+1) % altmax];
+ if(max)
+ tx2->alternate_anims = anims[0];
+ }
+ }
+
+ return 0;
+err:
+ werrstr("BSP_LoadTextures: %s", lerr());+ return -1;
+}
--- a/quakedef.h
+++ b/quakedef.h
@@ -182,6 +182,8 @@
#define opaque(p) (((p)>>24) != 0xff)
extern pixel_t q1pal[256];
+void pal3torgbx(byte *in, pixel_t *out, int n, byte *pal);
+void paltorgbx(byte *in, pixel_t *out, int n, pixel_t *pal);
void torgbx(byte *in, pixel_t *out, int n);
void Host_ClearMemory (void);
--- a/r_surf.c
+++ b/r_surf.c
@@ -278,8 +278,34 @@
//=============================================================================
+static pixel_t
+addlight(pixel_t x, int light)
+{+ int r, g, b, y;
+ r = (x>>16) & 0xff;
+ g = (x>>8) & 0xff;
+ b = (x>>0) & 0xff;
+ y = (light & 0xff00) >> 8;
+
+ r = (r * (63-y)+16) >> 5; r = min(r, 255);
+ g = (g * (63-y)+16) >> 5; g = min(g, 255);
+ b = (b * (63-y)+16) >> 5; b = min(b, 255);
+ x = (x & ~0xffffff) | r<<16 | g<<8 | b<<0;
+
/*
-================
+ t = (255*256 - (int)blocklights[i]) >> (8 - VID_CBITS);
+
+ if (t < (1 << 6))
+ t = (1 << 6);
+
+ blocklights[i] = t;
+*/
+
+ return x;
+}
+
+/*
+================
R_DrawSurfaceBlock8_mip0
================
*/
@@ -306,24 +332,30 @@
lightstep = lighttemp >> 4;
light = lightright;
-
- prowdest[15] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[15])];
- prowdest[14] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[14])];
- prowdest[13] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[13])];
- prowdest[12] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[12])];
- prowdest[11] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[11])];
- prowdest[10] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[10])];
- prowdest[9] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[9])];
- prowdest[8] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[8])];
- prowdest[7] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[7])];
- prowdest[6] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[6])];
- prowdest[5] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[5])];
- prowdest[4] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[4])];
- prowdest[3] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[3])];
- prowdest[2] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[2])];
- prowdest[1] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[1])];
- prowdest[0] = vid.colormap[(light & 0xFF00) + CIND(psource[0])];
-
+ if(1 || currententity->model->ver == BSP30VERSION){+ int j;
+ for(j = 15; j >= 0; j--){+ prowdest[j] = addlight(psource[j], light);
+ light += lightstep;
+ }
+ }else{+ prowdest[15] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[15])];
+ prowdest[14] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[14])];
+ prowdest[13] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[13])];
+ prowdest[12] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[12])];
+ prowdest[11] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[11])];
+ prowdest[10] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[10])];
+ prowdest[9] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[9])];
+ prowdest[8] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[8])];
+ prowdest[7] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[7])];
+ prowdest[6] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[6])];
+ prowdest[5] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[5])];
+ prowdest[4] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[4])];
+ prowdest[3] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[3])];
+ prowdest[2] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[2])];
+ prowdest[1] = vid.colormap[((light += lightstep) & 0xFF00) + CIND(psource[1])];
+ prowdest[0] = vid.colormap[(light & 0xFF00) + CIND(psource[0])];
+ }
psource += sourcetstep;
lightright += lightrightstep;
lightleft += lightleftstep;
@@ -365,11 +397,17 @@
light = lightright;
- for (b=7; b>=0; b--)
- {- pix = psource[b];
- prowdest[b] = vid.colormap[(light & 0xFF00) + CIND(pix)];
- light += lightstep;
+ if(currententity->model->ver == BSP30VERSION){+ for(b = 7; b >= 0; b--){+ prowdest[b] = addlight(psource[b], light);
+ light += lightstep;
+ }
+ }else{+ for (b=7; b>=0; b--){+ pix = psource[b];
+ prowdest[b] = vid.colormap[(light & 0xFF00) + CIND(pix)];
+ light += lightstep;
+ }
}
psource += sourcetstep;
@@ -413,11 +451,17 @@
light = lightright;
- for (b=3; b>=0; b--)
- {- pix = psource[b];
- prowdest[b] = vid.colormap[(light & 0xFF00) + CIND(pix)];
- light += lightstep;
+ if(1 || currententity->model->ver == BSP30VERSION){+ for(b = 3; b >= 0; b--){+ prowdest[b] = addlight(psource[b], light);
+ light += lightstep;
+ }
+ }else{+ for (b=3; b>=0; b--){+ pix = psource[b];
+ prowdest[b] = vid.colormap[(light & 0xFF00) + CIND(pix)];
+ light += lightstep;
+ }
}
psource += sourcetstep;
@@ -440,7 +484,7 @@
static void R_DrawSurfaceBlock8_mip3 (void)
{int v, i, b, lightstep, lighttemp, light, lightleft, lightright;
- pixel_t pix, *psource, *prowdest;
+ pixel_t *psource, *prowdest;
psource = pbasesource;
prowdest = prowdestbase;
@@ -461,11 +505,16 @@
light = lightright;
- for (b=1; b>=0; b--)
- {- pix = psource[b];
- prowdest[b] = vid.colormap[(light & 0xFF00) + CIND(pix)];
- light += lightstep;
+ if(1 || currententity->model->ver == BSP30VERSION){+ for (b=1; b>=0; b--){+ prowdest[b] = addlight(psource[b], light);
+ light += lightstep;
+ }
+ }else{+ for (b=1; b>=0; b--){+ prowdest[b] = vid.colormap[(light & 0xFF00) + CIND(psource[b])];
+ light += lightstep;
+ }
}
psource += sourcetstep;
--- /dev/null
+++ b/softfloat.c
@@ -1,0 +1,1648 @@
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3e, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015 The Regents of the University of
+California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include "quakedef.h"
+#include "softfloat.h"
+
+#ifndef UINT64_C
+#define UINT64_C(x) x##ULL
+#endif
+
+u8int softfloat_roundingMode = softfloat_round_near_even;
+u8int softfloat_detectTininess = init_detectTininess;
+u8int softfloat_exceptionFlags = 0;
+u8int extF80_roundingPrecision = 80;
+
+bool
+extF80M_isSignalingNaN( const extFloat80_t *aPtr )
+{+ const struct extFloat80M *aSPtr;
+ u64int uiA0;
+
+ aSPtr = (const struct extFloat80M *) aPtr;
+ if ( (aSPtr->signExp & 0x7FFF) != 0x7FFF ) return false;
+ uiA0 = aSPtr->signif;
+ return
+ ! (uiA0 & UINT64_C( 0x4000000000000000 ))
+ && (uiA0 & UINT64_C( 0x3FFFFFFFFFFFFFFF));
+
+}
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into an 80-bit extended
+| floating-point NaN, and stores this NaN at the location pointed to by
+| `zSPtr'.
+*----------------------------------------------------------------------------*/
+void
+softfloat_commonNaNToExtF80M(const struct commonNaN *aPtr, struct extFloat80M *zSPtr )
+{+
+ zSPtr->signExp = packToExtF80UI64( aPtr->sign, 0x7FFF );
+ zSPtr->signif = UINT64_C( 0xC000000000000000 ) | aPtr->v64>>1;
+
+}
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by `aPtr' into a 32-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+u32int
+softfloat_commonNaNToF32UI( const struct commonNaN *aPtr )
+{+
+ return (u32int) aPtr->sign<<31 | 0x7FC00000 | aPtr->v64>>41;
+
+}
+
+/*----------------------------------------------------------------------------
+| Assuming the 80-bit extended floating-point value pointed to by `aSPtr' is
+| a NaN, converts this NaN to the common NaN form, and stores the resulting
+| common NaN at the location pointed to by `zPtr'. If the NaN is a signaling
+| NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+void
+softfloat_extF80MToCommonNaN(const struct extFloat80M *aSPtr, struct commonNaN *zPtr )
+{+
+ if ( extF80M_isSignalingNaN( (const extFloat80_t *) aSPtr ) ) {+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ zPtr->sign = signExtF80UI64( aSPtr->signExp );
+ zPtr->v64 = aSPtr->signif<<1;
+ zPtr->v0 = 0;
+
+}
+
+/*----------------------------------------------------------------------------
+| Assuming `uiA' has the bit pattern of a 32-bit floating-point NaN, converts
+| this NaN to the common NaN form, and stores the resulting common NaN at the
+| location pointed to by `zPtr'. If the NaN is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+void
+softfloat_f32UIToCommonNaN( u32int uiA, struct commonNaN *zPtr )
+{+
+ if ( softfloat_isSigNaNF32UI( uiA ) ) {+ softfloat_raiseFlags( softfloat_flag_invalid );
+ }
+ zPtr->sign = uiA>>31;
+ zPtr->v64 = (u64int) uiA<<41;
+ zPtr->v0 = 0;
+
+}
+
+/*----------------------------------------------------------------------------
+| Assuming at least one of the two 80-bit extended floating-point values
+| pointed to by `aSPtr' and `bSPtr' is a NaN, stores the combined NaN result
+| at the location pointed to by `zSPtr'. If either original floating-point
+| value is a signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+void
+softfloat_propagateNaNExtF80M(
+ const struct extFloat80M *aSPtr,
+ const struct extFloat80M *bSPtr,
+ struct extFloat80M *zSPtr
+ )
+{+ bool isSigNaNA;
+ const struct extFloat80M *sPtr;
+ bool isSigNaNB;
+ u16int uiB64;
+ u64int uiB0;
+ u16int uiA64;
+ u64int uiA0;
+ u16int uiMagA64, uiMagB64;
+
+ isSigNaNA = extF80M_isSignalingNaN( (const extFloat80_t *) aSPtr );
+ sPtr = aSPtr;
+ if ( ! bSPtr ) {+ if ( isSigNaNA ) softfloat_raiseFlags( softfloat_flag_invalid );
+ goto copy;
+ }
+ isSigNaNB = extF80M_isSignalingNaN( (const extFloat80_t *) bSPtr );
+ if ( isSigNaNA | isSigNaNB ) {+ softfloat_raiseFlags( softfloat_flag_invalid );
+ if ( isSigNaNA ) {+ uiB64 = bSPtr->signExp;
+ if ( isSigNaNB ) goto returnLargerUIMag;
+ uiB0 = bSPtr->signif;
+ if ( isNaNExtF80UI( uiB64, uiB0 ) ) goto copyB;
+ goto copy;
+ } else {+ uiA64 = aSPtr->signExp;
+ uiA0 = aSPtr->signif;
+ if ( isNaNExtF80UI( uiA64, uiA0 ) ) goto copy;
+ goto copyB;
+ }
+ }
+ uiB64 = bSPtr->signExp;
+ returnLargerUIMag:
+ uiA64 = aSPtr->signExp;
+ uiMagA64 = uiA64 & 0x7FFF;
+ uiMagB64 = uiB64 & 0x7FFF;
+ if ( uiMagA64 < uiMagB64 ) goto copyB;
+ if ( uiMagB64 < uiMagA64 ) goto copy;
+ uiA0 = aSPtr->signif;
+ uiB0 = bSPtr->signif;
+ if ( uiA0 < uiB0 ) goto copyB;
+ if ( uiB0 < uiA0 ) goto copy;
+ if ( uiA64 < uiB64 ) goto copy;
+ copyB:
+ sPtr = bSPtr;
+ copy:
+ zSPtr->signExp = sPtr->signExp;
+ zSPtr->signif = sPtr->signif | UINT64_C( 0xC000000000000000 );
+
+}
+
+/*----------------------------------------------------------------------------
+| Interpreting the unsigned integer formed from concatenating 'uiA64' and
+| 'uiA0' as an 80-bit extended floating-point value, and likewise interpreting
+| the unsigned integer formed from concatenating 'uiB64' and 'uiB0' as another
+| 80-bit extended floating-point value, and assuming at least on of these
+| floating-point values is a NaN, returns the bit pattern of the combined NaN
+| result. If either original floating-point value is a signaling NaN, the
+| invalid exception is raised.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_propagateNaNExtF80UI(
+ u16int uiA64,
+ u64int uiA0,
+ u16int uiB64,
+ u64int uiB0
+ )
+{+ bool isSigNaNA, isSigNaNB;
+ u64int uiNonsigA0, uiNonsigB0;
+ u16int uiMagA64, uiMagB64;
+ struct uint128 uiZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ isSigNaNA = softfloat_isSigNaNExtF80UI( uiA64, uiA0 );
+ isSigNaNB = softfloat_isSigNaNExtF80UI( uiB64, uiB0 );
+ /*------------------------------------------------------------------------
+ | Make NaNs non-signaling.
+ *------------------------------------------------------------------------*/
+ uiNonsigA0 = uiA0 | UINT64_C( 0xC000000000000000 );
+ uiNonsigB0 = uiB0 | UINT64_C( 0xC000000000000000 );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( isSigNaNA | isSigNaNB ) {+ softfloat_raiseFlags( softfloat_flag_invalid );
+ if ( isSigNaNA ) {+ if ( isSigNaNB ) goto returnLargerMag;
+ if ( isNaNExtF80UI( uiB64, uiB0 ) ) goto returnB;
+ goto returnA;
+ } else {+ if ( isNaNExtF80UI( uiA64, uiA0 ) ) goto returnA;
+ goto returnB;
+ }
+ }
+ returnLargerMag:
+ uiMagA64 = uiA64 & 0x7FFF;
+ uiMagB64 = uiB64 & 0x7FFF;
+ if ( uiMagA64 < uiMagB64 ) goto returnB;
+ if ( uiMagB64 < uiMagA64 ) goto returnA;
+ if ( uiA0 < uiB0 ) goto returnB;
+ if ( uiB0 < uiA0 ) goto returnA;
+ if ( uiA64 < uiB64 ) goto returnA;
+ returnB:
+ uiZ.v64 = uiB64;
+ uiZ.v0 = uiNonsigB0;
+ return uiZ;
+ returnA:
+ uiZ.v64 = uiA64;
+ uiZ.v0 = uiNonsigA0;
+ return uiZ;
+
+}
+
+/*----------------------------------------------------------------------------
+| Raises the exceptions specified by `flags'. Floating-point traps can be
+| defined here if desired. It is currently not possible for such a trap
+| to substitute a result value. If traps are not implemented, this routine
+| should be simply `softfloat_exceptionFlags |= flags;'.
+*----------------------------------------------------------------------------*/
+void
+softfloat_raiseFlags( u8int flags )
+{+
+ softfloat_exceptionFlags |= flags;
+
+}
+
+u64int
+softfloat_shortShiftRightJam64( u64int a, u8int dist )
+{+
+ return a>>dist | ((a & (((u64int) 1<<dist) - 1)) != 0);
+
+}
+
+/*----------------------------------------------------------------------------
+| A constant table that translates an 8-bit unsigned integer (the array index)
+| into the number of leading 0 bits before the most-significant 1 of that
+| integer. For integer zero (index 0), the corresponding table element is 8.
+*----------------------------------------------------------------------------*/
+static const u8int softfloat_countLeadingZeros8[256] = {+ 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+u8int
+softfloat_countLeadingZeros64( u64int a )
+{+ u8int count;
+ u32int a32;
+
+ count = 0;
+ a32 = a>>32;
+ if ( ! a32 ) {+ count = 32;
+ a32 = a;
+ }
+ /*------------------------------------------------------------------------
+ | From here, result is current count + count leading zeros of `a32'.
+ *------------------------------------------------------------------------*/
+ if ( a32 < 0x10000 ) {+ count += 16;
+ a32 <<= 16;
+ }
+ if ( a32 < 0x1000000 ) {+ count += 8;
+ a32 <<= 8;
+ }
+ count += softfloat_countLeadingZeros8[a32>>24];
+ return count;
+
+}
+
+int
+softfloat_normExtF80SigM( u64int *sigPtr )
+{+ u64int sig;
+ s8int shiftDist;
+
+ sig = *sigPtr;
+ shiftDist = softfloat_countLeadingZeros64( sig );
+ *sigPtr = sig<<shiftDist;
+ return -shiftDist;
+
+}
+
+u8int
+softfloat_countLeadingZeros32( u32int a )
+{+ u8int count;
+
+ count = 0;
+ if ( a < 0x10000 ) {+ count = 16;
+ a <<= 16;
+ }
+ if ( a < 0x1000000 ) {+ count += 8;
+ a <<= 8;
+ }
+ count += softfloat_countLeadingZeros8[a>>24];
+ return count;
+
+}
+
+struct exp16_sig32
+softfloat_normSubnormalF32Sig( u32int sig )
+{+ s8int shiftDist;
+ struct exp16_sig32 z;
+
+ shiftDist = softfloat_countLeadingZeros32( sig ) - 8;
+ z.exp = 1 - shiftDist;
+ z.sig = sig<<shiftDist;
+ return z;
+
+}
+
+u32int
+softfloat_shiftRightJam32( u32int a, u16int dist )
+{+
+ return
+ (dist < 31) ? a>>dist | ((u32int) (a<<(-dist & 31)) != 0) : (a != 0);
+
+}
+
+float32_t
+ softfloat_roundPackToF32( bool sign, s16int exp, u32int sig )
+{+ u8int roundingMode;
+ bool roundNearEven;
+ u8int roundIncrement, roundBits;
+ bool isTiny;
+ u32int uiZ;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundingMode = softfloat_roundingMode;
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ roundIncrement = 0x40;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? 0x7F
+ : 0;
+ }
+ roundBits = sig & 0x7F;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0xFD <= (unsigned int) exp ) {+ if ( exp < 0 ) {+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess == softfloat_tininess_beforeRounding)
+ || (exp < -1) || (sig + roundIncrement < 0x80000000);
+ sig = softfloat_shiftRightJam32( sig, -exp );
+ exp = 0;
+ roundBits = sig & 0x7F;
+ if ( isTiny && roundBits ) {+ softfloat_raiseFlags( softfloat_flag_underflow );
+ }
+ } else if ( (0xFD < exp) || (0x80000000 <= sig + roundIncrement) ) {+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ softfloat_raiseFlags(
+ softfloat_flag_overflow | softfloat_flag_inexact );
+ uiZ = packToF32UI( sign, 0xFF, 0 ) - ! roundIncrement;
+ goto uiZ;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig = (sig + roundIncrement)>>7;
+ if ( roundBits ) {+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ sig &= ~(u32int) (! (roundBits ^ 0x40) & roundNearEven);
+ if ( ! sig ) exp = 0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ packReturn:
+ uiZ = packToF32UI( sign, exp, sig );
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
+void
+f32_to_extF80M( float32_t a, extFloat80_t *zPtr )
+{+ struct extFloat80M *zSPtr;
+ union ui32_f32 uA;
+ u32int uiA;
+ bool sign;
+ s16int exp;
+ u32int frac;
+ struct commonNaN commonNaN;
+ u16int uiZ64;
+ u32int uiZ32;
+ struct exp16_sig32 normExpSig;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zSPtr = (struct extFloat80M *) zPtr;
+ uA.f = a;
+ uiA = uA.ui;
+ sign = signF32UI( uiA );
+ exp = expF32UI( uiA );
+ frac = fracF32UI( uiA );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0xFF ) {+ if ( frac ) {+ softfloat_f32UIToCommonNaN( uiA, &commonNaN );
+ softfloat_commonNaNToExtF80M( &commonNaN, zSPtr );
+ return;
+ }
+ uiZ64 = packToExtF80UI64( sign, 0x7FFF );
+ uiZ32 = 0x80000000;
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! exp ) {+ if ( ! frac ) {+ uiZ64 = packToExtF80UI64( sign, 0 );
+ uiZ32 = 0;
+ goto uiZ;
+ }
+ normExpSig = softfloat_normSubnormalF32Sig( frac );
+ exp = normExpSig.exp;
+ frac = normExpSig.sig;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ64 = packToExtF80UI64( sign, exp + 0x3F80 );
+ uiZ32 = 0x80000000 | (u32int) frac<<8;
+ uiZ:
+ zSPtr->signExp = uiZ64;
+ zSPtr->signif = (u64int) uiZ32<<32;
+
+}
+
+float32_t
+extF80M_to_f32( const extFloat80_t *aPtr )
+{+ const struct extFloat80M *aSPtr;
+ u16int uiA64;
+ bool sign;
+ s32int exp;
+ u64int sig;
+ struct commonNaN commonNaN;
+ u32int uiZ, sig32;
+ union ui32_f32 uZ;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ aSPtr = (const struct extFloat80M *) aPtr;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiA64 = aSPtr->signExp;
+ sign = signExtF80UI64( uiA64 );
+ exp = expExtF80UI64( uiA64 );
+ sig = aSPtr->signif;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( exp == 0x7FFF ) {+ if ( sig & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) {+ softfloat_extF80MToCommonNaN( aSPtr, &commonNaN );
+ uiZ = softfloat_commonNaNToF32UI( &commonNaN );
+ } else {+ uiZ = packToF32UI( sign, 0xFF, 0 );
+ }
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! (sig & UINT64_C( 0x8000000000000000 )) ) {+ if ( ! sig ) {+ uiZ = packToF32UI( sign, 0, 0 );
+ goto uiZ;
+ }
+ exp += softfloat_normExtF80SigM( &sig );
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ sig32 = softfloat_shortShiftRightJam64( sig, 33 );
+ exp -= 0x3F81;
+ if ( sizeof (s16int) < sizeof (s32int) ) {+ if ( exp < -0x1000 ) exp = -0x1000;
+ }
+ return softfloat_roundPackToF32( sign, exp, sig32 );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiZ:
+ uZ.ui = uiZ;
+ return uZ.f;
+
+}
+
+struct uint64_extra
+ softfloat_shiftRightJam64Extra(
+ u64int a, u64int extra, u32int dist )
+{+ struct uint64_extra z;
+
+ if ( dist < 64 ) {+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63);
+ } else {+ z.v = 0;
+ z.extra = (dist == 64) ? a : (a != 0);
+ }
+ z.extra |= (extra != 0);
+ return z;
+
+}
+
+struct uint128
+ softfloat_shiftRightJam128( u64int a64, u64int a0, u32int dist )
+{+ u8int u8NegDist;
+ struct uint128 z;
+
+ if ( dist < 64 ) {+ u8NegDist = -dist;
+ z.v64 = a64>>dist;
+ z.v0 =
+ a64<<(u8NegDist & 63) | a0>>dist
+ | ((u64int) (a0<<(u8NegDist & 63)) != 0);
+ } else {+ z.v64 = 0;
+ z.v0 =
+ (dist < 127)
+ ? a64>>(dist & 63)
+ | (((a64 & (((u64int) 1<<(dist & 63)) - 1)) | a0)
+ != 0)
+ : ((a64 | a0) != 0);
+ }
+ return z;
+
+}
+
+struct uint64_extra
+ softfloat_shortShiftRightJam64Extra(
+ u64int a, u64int extra, u8int dist )
+{+ struct uint64_extra z;
+
+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63) | (extra != 0);
+ return z;
+
+}
+
+struct exp32_sig64
+softfloat_normSubnormalExtF80Sig( u64int sig )
+{+ s8int shiftDist;
+ struct exp32_sig64 z;
+
+ shiftDist = softfloat_countLeadingZeros64( sig );
+ z.exp = -shiftDist;
+ z.sig = sig<<shiftDist;
+ return z;
+
+}
+
+struct uint128
+ softfloat_sub128( u64int a64, u64int a0, u64int b64, u64int b0 )
+{+ struct uint128 z;
+
+ z.v0 = a0 - b0;
+ z.v64 = a64 - b64 - (a0 < b0);
+ return z;
+
+}
+
+u64int
+softfloat_shiftRightJam64( u64int a, u32int dist )
+{+ return
+ (dist < 63) ? a>>dist | ((u64int) (a<<(-dist & 63)) != 0) : (a != 0);
+
+}
+
+struct uint128
+ softfloat_shortShiftLeft128( u64int a64, u64int a0, u8int dist )
+{+ struct uint128 z;
+
+ z.v64 = a64<<dist | a0>>(-dist & 63);
+ z.v0 = a0<<dist;
+ return z;
+
+}
+
+extFloat80_t
+ softfloat_normRoundPackToExtF80(
+ bool sign,
+ s32int exp,
+ u64int sig,
+ u64int sigExtra,
+ u8int roundingPrecision
+ )
+{+ s8int shiftDist;
+ struct uint128 sig128;
+
+ if ( ! sig ) {+ exp -= 64;
+ sig = sigExtra;
+ sigExtra = 0;
+ }
+ shiftDist = softfloat_countLeadingZeros64( sig );
+ exp -= shiftDist;
+ if ( shiftDist ) {+ sig128 = softfloat_shortShiftLeft128( sig, sigExtra, shiftDist );
+ sig = sig128.v64;
+ sigExtra = sig128.v0;
+ }
+ return
+ softfloat_roundPackToExtF80(
+ sign, exp, sig, sigExtra, roundingPrecision );
+
+}
+
+extFloat80_t
+ softfloat_roundPackToExtF80(
+ bool sign,
+ s32int exp,
+ u64int sig,
+ u64int sigExtra,
+ u8int roundingPrecision
+ )
+{+ u8int roundingMode;
+ bool roundNearEven;
+ u64int roundIncrement, roundMask, roundBits;
+ bool isTiny, doIncrement;
+ struct uint64_extra sig64Extra;
+ union { struct extFloat80M s; extFloat80_t f; } uZ;+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundingMode = softfloat_roundingMode;
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ if ( roundingPrecision == 80 ) goto precision80;
+ if ( roundingPrecision == 64 ) {+ roundIncrement = UINT64_C( 0x0000000000000400 );
+ roundMask = UINT64_C( 0x00000000000007FF );
+ } else if ( roundingPrecision == 32 ) {+ roundIncrement = UINT64_C( 0x0000008000000000 );
+ roundMask = UINT64_C( 0x000000FFFFFFFFFF );
+ } else {+ goto precision80;
+ }
+ sig |= (sigExtra != 0);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? roundMask
+ : 0;
+ }
+ roundBits = sig & roundMask;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x7FFD <= (u32int) (exp - 1) ) {+ if ( exp <= 0 ) {+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess
+ == softfloat_tininess_beforeRounding)
+ || (exp < 0)
+ || (sig <= (u64int) (sig + roundIncrement));
+ sig = softfloat_shiftRightJam64( sig, 1 - exp );
+ roundBits = sig & roundMask;
+ if ( roundBits ) {+ if ( isTiny ) softfloat_raiseFlags( softfloat_flag_underflow );
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {+ sig |= roundMask + 1;
+ }
+#endif
+ }
+ sig += roundIncrement;
+ exp = ((sig & UINT64_C( 0x8000000000000000 )) != 0);
+ roundIncrement = roundMask + 1;
+ if ( roundNearEven && (roundBits<<1 == roundIncrement) ) {+ roundMask |= roundIncrement;
+ }
+ sig &= ~roundMask;
+ goto packReturn;
+ }
+ if (
+ (0x7FFE < exp)
+ || ((exp == 0x7FFE) && ((u64int) (sig + roundIncrement) < sig))
+ ) {+ goto overflow;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( roundBits ) {+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {+ sig = (sig & ~roundMask) | (roundMask + 1);
+ goto packReturn;
+ }
+#endif
+ }
+ sig = (u64int) (sig + roundIncrement);
+ if ( sig < roundIncrement ) {+ ++exp;
+ sig = UINT64_C( 0x8000000000000000 );
+ }
+ roundIncrement = roundMask + 1;
+ if ( roundNearEven && (roundBits<<1 == roundIncrement) ) {+ roundMask |= roundIncrement;
+ }
+ sig &= ~roundMask;
+ goto packReturn;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ precision80:
+ doIncrement = (UINT64_C( 0x8000000000000000 ) <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x7FFD <= (u32int) (exp - 1) ) {+ if ( exp <= 0 ) {+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess
+ == softfloat_tininess_beforeRounding)
+ || (exp < 0)
+ || ! doIncrement
+ || (sig < UINT64_C( 0xFFFFFFFFFFFFFFFF ));
+ sig64Extra =
+ softfloat_shiftRightJam64Extra( sig, sigExtra, 1 - exp );
+ exp = 0;
+ sig = sig64Extra.v;
+ sigExtra = sig64Extra.extra;
+ if ( sigExtra ) {+ if ( isTiny ) softfloat_raiseFlags( softfloat_flag_underflow );
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ doIncrement = (UINT64_C( 0x8000000000000000 ) <= sigExtra);
+ if (
+ ! roundNearEven
+ && (roundingMode != softfloat_round_near_maxMag)
+ ) {+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ if ( doIncrement ) {+ ++sig;
+ sig &=
+ ~(u64int)
+ (! (sigExtra & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ & roundNearEven);
+ exp = ((sig & UINT64_C( 0x8000000000000000 )) != 0);
+ }
+ goto packReturn;
+ }
+ if (
+ (0x7FFE < exp)
+ || ((exp == 0x7FFE) && (sig == UINT64_C( 0xFFFFFFFFFFFFFFFF ))
+ && doIncrement)
+ ) {+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ roundMask = 0;
+ overflow:
+ softfloat_raiseFlags(
+ softfloat_flag_overflow | softfloat_flag_inexact );
+ if (
+ roundNearEven
+ || (roundingMode == softfloat_round_near_maxMag)
+ || (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ) {+ exp = 0x7FFF;
+ sig = UINT64_C( 0x8000000000000000 );
+ } else {+ exp = 0x7FFE;
+ sig = ~roundMask;
+ }
+ goto packReturn;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( sigExtra ) {+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ if ( doIncrement ) {+ ++sig;
+ if ( ! sig ) {+ ++exp;
+ sig = UINT64_C( 0x8000000000000000 );
+ } else {+ sig &=
+ ~(u64int)
+ (! (sigExtra & UINT64_C( 0x7FFFFFFFFFFFFFFF ))
+ & roundNearEven);
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ packReturn:
+ uZ.s.signExp = packToExtF80UI64( sign, exp );
+ uZ.s.signif = sig;
+ return uZ.f;
+
+}
+
+extFloat80_t
+ softfloat_subMagsExtF80(
+ u16int uiA64,
+ u64int uiA0,
+ u16int uiB64,
+ u64int uiB0,
+ bool signZ
+ )
+{+ s32int expA;
+ u64int sigA;
+ s32int expB;
+ u64int sigB;
+ s32int expDiff;
+ u16int uiZ64;
+ u64int uiZ0;
+ s32int expZ;
+ u64int sigExtra;
+ struct uint128 sig128, uiZ;
+ union { struct extFloat80M s; extFloat80_t f; } uZ;+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expA = expExtF80UI64( uiA64 );
+ sigA = uiA0;
+ expB = expExtF80UI64( uiB64 );
+ sigB = uiB0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expA - expB;
+ if ( 0 < expDiff ) goto expABigger;
+ if ( expDiff < 0 ) goto expBBigger;
+ if ( expA == 0x7FFF ) {+ if ( (sigA | sigB) & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) {+ goto propagateNaN;
+ }
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ uiZ64 = defaultNaNExtF80UI64;
+ uiZ0 = defaultNaNExtF80UI0;
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA;
+ if ( ! expZ ) expZ = 1;
+ sigExtra = 0;
+ if ( sigB < sigA ) goto aBigger;
+ if ( sigA < sigB ) goto bBigger;
+ uiZ64 =
+ packToExtF80UI64( (softfloat_roundingMode == softfloat_round_min), 0 );
+ uiZ0 = 0;
+ goto uiZ;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expBBigger:
+ if ( expB == 0x7FFF ) {+ if ( sigB & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) goto propagateNaN;
+ uiZ64 = packToExtF80UI64( signZ ^ 1, 0x7FFF );
+ uiZ0 = UINT64_C( 0x8000000000000000 );
+ goto uiZ;
+ }
+ if ( ! expA ) {+ ++expDiff;
+ sigExtra = 0;
+ if ( ! expDiff ) goto newlyAlignedBBigger;
+ }
+ sig128 = softfloat_shiftRightJam128( sigA, 0, -expDiff );
+ sigA = sig128.v64;
+ sigExtra = sig128.v0;
+ newlyAlignedBBigger:
+ expZ = expB;
+ bBigger:
+ signZ = ! signZ;
+ sig128 = softfloat_sub128( sigB, 0, sigA, sigExtra );
+ goto normRoundPack;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expABigger:
+ if ( expA == 0x7FFF ) {+ if ( sigA & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) goto propagateNaN;
+ uiZ64 = uiA64;
+ uiZ0 = uiA0;
+ goto uiZ;
+ }
+ if ( ! expB ) {+ --expDiff;
+ sigExtra = 0;
+ if ( ! expDiff ) goto newlyAlignedABigger;
+ }
+ sig128 = softfloat_shiftRightJam128( sigB, 0, expDiff );
+ sigB = sig128.v64;
+ sigExtra = sig128.v0;
+ newlyAlignedABigger:
+ expZ = expA;
+ aBigger:
+ sig128 = softfloat_sub128( sigA, 0, sigB, sigExtra );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ normRoundPack:
+ return
+ softfloat_normRoundPackToExtF80(
+ signZ, expZ, sig128.v64, sig128.v0, extF80_roundingPrecision );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNExtF80UI( uiA64, uiA0, uiB64, uiB0 );
+ uiZ64 = uiZ.v64;
+ uiZ0 = uiZ.v0;
+ uiZ:
+ uZ.s.signExp = uiZ64;
+ uZ.s.signif = uiZ0;
+ return uZ.f;
+
+}
+
+extFloat80_t
+ softfloat_addMagsExtF80(
+ u16int uiA64,
+ u64int uiA0,
+ u16int uiB64,
+ u64int uiB0,
+ bool signZ
+ )
+{+ s32int expA;
+ u64int sigA;
+ s32int expB;
+ u64int sigB;
+ s32int expDiff;
+ u16int uiZ64;
+ u64int uiZ0, sigZ, sigZExtra;
+ struct exp32_sig64 normExpSig;
+ s32int expZ;
+ struct uint64_extra sig64Extra;
+ struct uint128 uiZ;
+ union { struct extFloat80M s; extFloat80_t f; } uZ;+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expA = expExtF80UI64( uiA64 );
+ sigA = uiA0;
+ expB = expExtF80UI64( uiB64 );
+ sigB = uiB0;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expDiff = expA - expB;
+ if ( ! expDiff ) {+ if ( expA == 0x7FFF ) {+ if ( (sigA | sigB) & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) {+ goto propagateNaN;
+ }
+ uiZ64 = uiA64;
+ uiZ0 = uiA0;
+ goto uiZ;
+ }
+ sigZ = sigA + sigB;
+ sigZExtra = 0;
+ if ( ! expA ) {+ normExpSig = softfloat_normSubnormalExtF80Sig( sigZ );
+ expZ = normExpSig.exp + 1;
+ sigZ = normExpSig.sig;
+ goto roundAndPack;
+ }
+ expZ = expA;
+ goto shiftRight1;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( expDiff < 0 ) {+ if ( expB == 0x7FFF ) {+ if ( sigB & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) goto propagateNaN;
+ uiZ64 = packToExtF80UI64( signZ, 0x7FFF );
+ uiZ0 = uiB0;
+ goto uiZ;
+ }
+ expZ = expB;
+ if ( ! expA ) {+ ++expDiff;
+ sigZExtra = 0;
+ if ( ! expDiff ) goto newlyAligned;
+ }
+ sig64Extra = softfloat_shiftRightJam64Extra( sigA, 0, -expDiff );
+ sigA = sig64Extra.v;
+ sigZExtra = sig64Extra.extra;
+ } else {+ if ( expA == 0x7FFF ) {+ if ( sigA & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) goto propagateNaN;
+ uiZ64 = uiA64;
+ uiZ0 = uiA0;
+ goto uiZ;
+ }
+ expZ = expA;
+ if ( ! expB ) {+ --expDiff;
+ sigZExtra = 0;
+ if ( ! expDiff ) goto newlyAligned;
+ }
+ sig64Extra = softfloat_shiftRightJam64Extra( sigB, 0, expDiff );
+ sigB = sig64Extra.v;
+ sigZExtra = sig64Extra.extra;
+ }
+ newlyAligned:
+ sigZ = sigA + sigB;
+ if ( sigZ & UINT64_C( 0x8000000000000000 ) ) goto roundAndPack;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ shiftRight1:
+ sig64Extra = softfloat_shortShiftRightJam64Extra( sigZ, sigZExtra, 1 );
+ sigZ = sig64Extra.v | UINT64_C( 0x8000000000000000 );
+ sigZExtra = sig64Extra.extra;
+ ++expZ;
+ roundAndPack:
+ return
+ softfloat_roundPackToExtF80(
+ signZ, expZ, sigZ, sigZExtra, extF80_roundingPrecision );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ propagateNaN:
+ uiZ = softfloat_propagateNaNExtF80UI( uiA64, uiA0, uiB64, uiB0 );
+ uiZ64 = uiZ.v64;
+ uiZ0 = uiZ.v0;
+ uiZ:
+ uZ.s.signExp = uiZ64;
+ uZ.s.signif = uiZ0;
+ return uZ.f;
+
+}
+
+void
+ extF80M_add(
+ const extFloat80_t *aPtr, const extFloat80_t *bPtr, extFloat80_t *zPtr )
+{+ const struct extFloat80M *aSPtr, *bSPtr;
+ u16int uiA64;
+ u64int uiA0;
+ bool signA;
+ u16int uiB64;
+ u64int uiB0;
+ bool signB;
+#if ! defined INLINE_LEVEL || (INLINE_LEVEL < 2)
+ extFloat80_t
+ (*magsFuncPtr)(
+ u16int, u64int, u16int, u64int, bool );
+#endif
+
+ aSPtr = (const struct extFloat80M *) aPtr;
+ bSPtr = (const struct extFloat80M *) bPtr;
+ uiA64 = aSPtr->signExp;
+ uiA0 = aSPtr->signif;
+ signA = signExtF80UI64( uiA64 );
+ uiB64 = bSPtr->signExp;
+ uiB0 = bSPtr->signif;
+ signB = signExtF80UI64( uiB64 );
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+ if ( signA == signB ) {+ *zPtr = softfloat_addMagsExtF80( uiA64, uiA0, uiB64, uiB0, signA );
+ } else {+ *zPtr = softfloat_subMagsExtF80( uiA64, uiA0, uiB64, uiB0, signA );
+ }
+#else
+ magsFuncPtr =
+ (signA == signB) ? softfloat_addMagsExtF80 : softfloat_subMagsExtF80;
+ *zPtr = (*magsFuncPtr)( uiA64, uiA0, uiB64, uiB0, signA );
+#endif
+
+}
+
+void
+ softfloat_addM(
+ u8int size_words,
+ const u32int *aPtr,
+ const u32int *bPtr,
+ u32int *zPtr
+ )
+{+ unsigned int index, lastIndex;
+ u8int carry;
+ u32int wordA, wordZ;
+
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ carry = 0;
+ for (;;) {+ wordA = aPtr[index];
+ wordZ = wordA + bPtr[index] + carry;
+ zPtr[index] = wordZ;
+ if ( index == lastIndex ) break;
+ if ( wordZ != wordA ) carry = (wordZ < wordA);
+ index += wordIncr;
+ }
+
+}
+
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addM' with 'size_words'
+| = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_add96M( aPtr, bPtr, zPtr ) softfloat_addM( 3, aPtr, bPtr, zPtr )
+
+void
+softfloat_mul64To128M( u64int a, u64int b, u32int *zPtr )
+{+ u32int a32, a0, b32, b0;
+ u64int z0, mid1, z64, mid;
+
+ a32 = a>>32;
+ a0 = a;
+ b32 = b>>32;
+ b0 = b;
+ z0 = (u64int) a0 * b0;
+ mid1 = (u64int) a32 * b0;
+ mid = mid1 + (u64int) a0 * b32;
+ z64 = (u64int) a32 * b32;
+ z64 += (u64int) (mid < mid1)<<32 | mid>>32;
+ mid <<= 32;
+ z0 += mid;
+ zPtr[indexWord( 4, 1 )] = z0>>32;
+ zPtr[indexWord( 4, 0 )] = z0;
+ z64 += (z0 < mid);
+ zPtr[indexWord( 4, 3 )] = z64>>32;
+ zPtr[indexWord( 4, 2 )] = z64;
+
+}
+
+void
+softfloat_invalidExtF80M( struct extFloat80M *zSPtr )
+{+
+ softfloat_raiseFlags( softfloat_flag_invalid );
+ zSPtr->signExp = defaultNaNExtF80UI64;
+ zSPtr->signif = defaultNaNExtF80UI0;
+
+}
+
+bool
+ softfloat_tryPropagateNaNExtF80M(
+ const struct extFloat80M *aSPtr,
+ const struct extFloat80M *bSPtr,
+ struct extFloat80M *zSPtr
+ )
+{+ u16int ui64;
+ u64int ui0;
+
+ ui64 = aSPtr->signExp;
+ ui0 = aSPtr->signif;
+ if ( isNaNExtF80UI( ui64, ui0 ) ) goto propagateNaN;
+ ui64 = bSPtr->signExp;
+ ui0 = bSPtr->signif;
+ if ( isNaNExtF80UI( ui64, ui0 ) ) goto propagateNaN;
+ return false;
+ propagateNaN:
+ softfloat_propagateNaNExtF80M( aSPtr, bSPtr, zSPtr );
+ return true;
+
+}
+
+void
+ softfloat_shortShiftRightJamM(
+ u8int size_words,
+ const u32int *aPtr,
+ u8int dist,
+ u32int *zPtr
+ )
+{+ u8int uNegDist;
+ unsigned int index, lastIndex;
+ u32int partWordZ, wordA;
+
+ uNegDist = -dist;
+ index = indexWordLo( size_words );
+ lastIndex = indexWordHi( size_words );
+ wordA = aPtr[index];
+ partWordZ = wordA>>dist;
+ if ( partWordZ<<dist != wordA ) partWordZ |= 1;
+ while ( index != lastIndex ) {+ wordA = aPtr[index + wordIncr];
+ zPtr[index] = wordA<<(uNegDist & 31) | partWordZ;
+ index += wordIncr;
+ partWordZ = wordA>>dist;
+ }
+ zPtr[index] = partWordZ;
+
+}
+
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftRightJamM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftRightJam96M( aPtr, dist, zPtr ) softfloat_shiftRightJamM( 3, aPtr, dist, zPtr )
+
+void
+ softfloat_shiftRightJamM(
+ u8int size_words,
+ const u32int *aPtr,
+ u32int dist,
+ u32int *zPtr
+ )
+{+ u32int wordJam, wordDist, *ptr;
+ u8int i, innerDist;
+
+ wordJam = 0;
+ wordDist = dist>>5;
+ ptr = nil;
+ if ( wordDist ) {+ if ( size_words < wordDist ) wordDist = size_words;
+ ptr = (u32int *) (aPtr + indexMultiwordLo( size_words, wordDist ));
+ i = wordDist;
+ do {+ wordJam = *ptr++;
+ if ( wordJam ) break;
+ --i;
+ } while ( i );
+ ptr = zPtr;
+ }
+ if ( wordDist < size_words ) {+ aPtr += indexMultiwordHiBut( size_words, wordDist );
+ innerDist = dist & 31;
+ if ( innerDist ) {+ softfloat_shortShiftRightJamM(
+ size_words - wordDist,
+ aPtr,
+ innerDist,
+ zPtr + indexMultiwordLoBut( size_words, wordDist )
+ );
+ if ( ! wordDist ) goto wordJam;
+ } else {+ aPtr += indexWordLo( size_words - wordDist );
+ ptr = zPtr + indexWordLo( size_words );
+ for ( i = size_words - wordDist; i; --i ) {+ *ptr = *aPtr;
+ aPtr += wordIncr;
+ ptr += wordIncr;
+ }
+ }
+ ptr = zPtr + indexMultiwordHi( size_words, wordDist );
+ }
+ do {+ *ptr++ = 0;
+ --wordDist;
+ } while ( wordDist );
+ wordJam:
+ if ( wordJam ) zPtr[indexWordLo( size_words )] |= 1;
+
+}
+
+void
+ softfloat_roundPackMToExtF80M(
+ bool sign,
+ s32int exp,
+ u32int *extSigPtr,
+ u8int roundingPrecision,
+ struct extFloat80M *zSPtr
+ )
+{+ u8int roundingMode;
+ bool roundNearEven;
+ u64int sig, roundIncrement, roundMask, roundBits;
+ bool isTiny;
+ u32int sigExtra;
+ bool doIncrement;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ roundingMode = softfloat_roundingMode;
+ roundNearEven = (roundingMode == softfloat_round_near_even);
+ sig =
+ (u64int) extSigPtr[indexWord( 3, 2 )]<<32
+ | extSigPtr[indexWord( 3, 1 )];
+ if ( roundingPrecision == 80 ) goto precision80;
+ if ( roundingPrecision == 64 ) {+ roundIncrement = UINT64_C( 0x0000000000000400 );
+ roundMask = UINT64_C( 0x00000000000007FF );
+ } else if ( roundingPrecision == 32 ) {+ roundIncrement = UINT64_C( 0x0000008000000000 );
+ roundMask = UINT64_C( 0x000000FFFFFFFFFF );
+ } else {+ goto precision80;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( extSigPtr[indexWordLo( 3 )] ) sig |= 1;
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {+ roundIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ? roundMask
+ : 0;
+ }
+ roundBits = sig & roundMask;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x7FFD <= (u32int) (exp - 1) ) {+ if ( exp <= 0 ) {+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess
+ == softfloat_tininess_beforeRounding)
+ || (exp < 0)
+ || (sig <= (u64int) (sig + roundIncrement));
+ sig = softfloat_shiftRightJam64( sig, 1 - exp );
+ roundBits = sig & roundMask;
+ if ( roundBits ) {+ if ( isTiny ) softfloat_raiseFlags( softfloat_flag_underflow );
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {+ sig |= roundMask + 1;
+ }
+#endif
+ }
+ sig += roundIncrement;
+ exp = ((sig & UINT64_C( 0x8000000000000000 )) != 0);
+ roundIncrement = roundMask + 1;
+ if ( roundNearEven && (roundBits<<1 == roundIncrement) ) {+ roundMask |= roundIncrement;
+ }
+ sig &= ~roundMask;
+ goto packReturn;
+ }
+ if (
+ (0x7FFE < exp)
+ || ((exp == 0x7FFE) && ((u64int) (sig + roundIncrement) < sig))
+ ) {+ goto overflow;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( roundBits ) {+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {+ sig = (sig & ~roundMask) | (roundMask + 1);
+ goto packReturn;
+ }
+#endif
+ }
+ sig += roundIncrement;
+ if ( sig < roundIncrement ) {+ ++exp;
+ sig = UINT64_C( 0x8000000000000000 );
+ }
+ roundIncrement = roundMask + 1;
+ if ( roundNearEven && (roundBits<<1 == roundIncrement) ) {+ roundMask |= roundIncrement;
+ }
+ sig &= ~roundMask;
+ goto packReturn;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ precision80:
+ sigExtra = extSigPtr[indexWordLo( 3 )];
+ doIncrement = (0x80000000 <= sigExtra);
+ if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( 0x7FFD <= (u32int) (exp - 1) ) {+ if ( exp <= 0 ) {+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ isTiny =
+ (softfloat_detectTininess
+ == softfloat_tininess_beforeRounding)
+ || (exp < 0)
+ || ! doIncrement
+ || (sig < UINT64_C( 0xFFFFFFFFFFFFFFFF ));
+ softfloat_shiftRightJam96M( extSigPtr, 1 - exp, extSigPtr );
+ exp = 0;
+ sig =
+ (u64int) extSigPtr[indexWord( 3, 2 )]<<32
+ | extSigPtr[indexWord( 3, 1 )];
+ sigExtra = extSigPtr[indexWordLo( 3 )];
+ if ( sigExtra ) {+ if ( isTiny ) softfloat_raiseFlags( softfloat_flag_underflow );
+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ doIncrement = (0x80000000 <= sigExtra);
+ if (
+ ! roundNearEven
+ && (roundingMode != softfloat_round_near_maxMag)
+ ) {+ doIncrement =
+ (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ && sigExtra;
+ }
+ if ( doIncrement ) {+ ++sig;
+ sig &= ~(u64int) (! (sigExtra & 0x7FFFFFFF) & roundNearEven);
+ exp = ((sig & UINT64_C( 0x8000000000000000 )) != 0);
+ }
+ goto packReturn;
+ }
+ if (
+ (0x7FFE < exp)
+ || ((exp == 0x7FFE) && (sig == UINT64_C( 0xFFFFFFFFFFFFFFFF ))
+ && doIncrement)
+ ) {+ /*----------------------------------------------------------------
+ *----------------------------------------------------------------*/
+ roundMask = 0;
+ overflow:
+ softfloat_raiseFlags(
+ softfloat_flag_overflow | softfloat_flag_inexact );
+ if (
+ roundNearEven
+ || (roundingMode == softfloat_round_near_maxMag)
+ || (roundingMode
+ == (sign ? softfloat_round_min : softfloat_round_max))
+ ) {+ exp = 0x7FFF;
+ sig = UINT64_C( 0x8000000000000000 );
+ } else {+ exp = 0x7FFE;
+ sig = ~roundMask;
+ }
+ goto packReturn;
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( sigExtra ) {+ softfloat_exceptionFlags |= softfloat_flag_inexact;
+#ifdef SOFTFLOAT_ROUND_ODD
+ if ( roundingMode == softfloat_round_odd ) {+ sig |= 1;
+ goto packReturn;
+ }
+#endif
+ }
+ if ( doIncrement ) {+ ++sig;
+ if ( ! sig ) {+ ++exp;
+ sig = UINT64_C( 0x8000000000000000 );
+ } else {+ sig &= ~(u64int) (! (sigExtra & 0x7FFFFFFF) & roundNearEven);
+ }
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ packReturn:
+ zSPtr->signExp = packToExtF80UI64( sign, exp );
+ zSPtr->signif = sig;
+
+}
+
+void
+ extF80M_mul(
+ const extFloat80_t *aPtr, const extFloat80_t *bPtr, extFloat80_t *zPtr )
+{+ const struct extFloat80M *aSPtr, *bSPtr;
+ struct extFloat80M *zSPtr;
+ u16int uiA64;
+ s32int expA;
+ u16int uiB64;
+ s32int expB;
+ bool signZ;
+ u16int uiZ64;
+ u64int uiZ0, sigA, sigB;
+ s32int expZ;
+ u32int sigProd[4], *extSigZPtr;
+
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ aSPtr = (const struct extFloat80M *) aPtr;
+ bSPtr = (const struct extFloat80M *) bPtr;
+ zSPtr = (struct extFloat80M *) zPtr;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ uiA64 = aSPtr->signExp;
+ expA = expExtF80UI64( uiA64 );
+ uiB64 = bSPtr->signExp;
+ expB = expExtF80UI64( uiB64 );
+ signZ = signExtF80UI64( uiA64 ) ^ signExtF80UI64( uiB64 );
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( (expA == 0x7FFF) || (expB == 0x7FFF) ) {+ if ( softfloat_tryPropagateNaNExtF80M( aSPtr, bSPtr, zSPtr ) ) return;
+ if (
+ (! aSPtr->signif && (expA != 0x7FFF))
+ || (! bSPtr->signif && (expB != 0x7FFF))
+ ) {+ softfloat_invalidExtF80M( zSPtr );
+ return;
+ }
+ uiZ64 = packToExtF80UI64( signZ, 0x7FFF );
+ uiZ0 = UINT64_C( 0x8000000000000000 );
+ goto uiZ;
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ if ( ! expA ) expA = 1;
+ sigA = aSPtr->signif;
+ if ( ! (sigA & UINT64_C( 0x8000000000000000 )) ) {+ if ( ! sigA ) goto zero;
+ expA += softfloat_normExtF80SigM( &sigA );
+ }
+ if ( ! expB ) expB = 1;
+ sigB = bSPtr->signif;
+ if ( ! (sigB & UINT64_C( 0x8000000000000000 )) ) {+ if ( ! sigB ) goto zero;
+ expB += softfloat_normExtF80SigM( &sigB );
+ }
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ expZ = expA + expB - 0x3FFE;
+ softfloat_mul64To128M( sigA, sigB, sigProd );
+ if ( sigProd[indexWordLo( 4 )] ) sigProd[indexWord( 4, 1 )] |= 1;
+ extSigZPtr = &sigProd[indexMultiwordHi( 4, 3 )];
+ if ( sigProd[indexWordHi( 4 )] < 0x80000000 ) {+ --expZ;
+ softfloat_add96M( extSigZPtr, extSigZPtr, extSigZPtr );
+ }
+ softfloat_roundPackMToExtF80M(
+ signZ, expZ, extSigZPtr, extF80_roundingPrecision, zSPtr );
+ return;
+ /*------------------------------------------------------------------------
+ *------------------------------------------------------------------------*/
+ zero:
+ uiZ64 = packToExtF80UI64( signZ, 0 );
+ uiZ0 = 0;
+ uiZ:
+ zSPtr->signExp = uiZ64;
+ zSPtr->signif = uiZ0;
+
+}
--- /dev/null
+++ b/softfloat.h
@@ -1,0 +1,2118 @@
+/*============================================================================
+
+This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3e, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#pragma once
+
+#define SOFTFLOAT_FAST_INT64
+#define LITTLEENDIAN
+#define INLINE_LEVEL 0
+#define SOFTFLOAT_FAST_DIV64TO32
+#define SOFTFLOAT_FAST_DIV32TO16
+#define SOFTFLOAT_ROUND_ODD
+#define INLINE inline
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+#ifdef LITTLEENDIAN
+struct uint128 { u64int v0, v64; };+struct uint64_extra { u64int extra, v; };+struct uint128_extra { u64int extra; struct uint128 v; };+#else
+struct uint128 { u64int v64, v0; };+struct uint64_extra { u64int v, extra; };+struct uint128_extra { struct uint128 v; u64int extra; };+#endif
+
+#endif
+
+/*----------------------------------------------------------------------------
+| These macros are used to isolate the differences in word order between big-
+| endian and little-endian platforms.
+*----------------------------------------------------------------------------*/
+#ifdef LITTLEENDIAN
+#define wordIncr 1
+#define indexWord( total, n ) (n)
+#define indexWordHi( total ) ((total) - 1)
+#define indexWordLo( total ) 0
+#define indexMultiword( total, m, n ) (n)
+#define indexMultiwordHi( total, n ) ((total) - (n))
+#define indexMultiwordLo( total, n ) 0
+#define indexMultiwordHiBut( total, n ) (n)
+#define indexMultiwordLoBut( total, n ) 0
+#define INIT_UINTM4( v3, v2, v1, v0 ) { v0, v1, v2, v3 }+#else
+#define wordIncr -1
+#define indexWord( total, n ) ((total) - 1 - (n))
+#define indexWordHi( total ) 0
+#define indexWordLo( total ) ((total) - 1)
+#define indexMultiword( total, m, n ) ((total) - 1 - (m))
+#define indexMultiwordHi( total, n ) 0
+#define indexMultiwordLo( total, n ) ((total) - (n))
+#define indexMultiwordHiBut( total, n ) 0
+#define indexMultiwordLoBut( total, n ) (n)
+#define INIT_UINTM4( v3, v2, v1, v0 ) { v3, v2, v1, v0 }+#endif
+
+#ifndef softfloat_shortShiftRightJam64
+/*----------------------------------------------------------------------------
+| Shifts 'a' right by the number of bits given in 'dist', which must be in
+| the range 1 to 63. If any nonzero bits are shifted off, they are "jammed"
+| into the least-significant bit of the shifted value by setting the least-
+| significant bit to 1. This shifted-and-jammed value is returned.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+u64int softfloat_shortShiftRightJam64( u64int a, u8int dist )
+ { return a>>dist | ((a & (((u64int) 1<<dist) - 1)) != 0); }+#else
+u64int softfloat_shortShiftRightJam64( u64int a, u8int dist );
+#endif
+#endif
+
+#ifndef softfloat_shiftRightJam32
+/*----------------------------------------------------------------------------
+| Shifts 'a' right by the number of bits given in 'dist', which must not
+| be zero. If any nonzero bits are shifted off, they are "jammed" into the
+| least-significant bit of the shifted value by setting the least-significant
+| bit to 1. This shifted-and-jammed value is returned.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than 32, the result will be either 0 or 1, depending on whether 'a'
+| is zero or nonzero.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE u32int softfloat_shiftRightJam32( u32int a, u16int dist )
+{+ return
+ (dist < 31) ? a>>dist | ((u32int) (a<<(-dist & 31)) != 0) : (a != 0);
+}
+#else
+u32int softfloat_shiftRightJam32( u32int a, u16int dist );
+#endif
+#endif
+
+#ifndef softfloat_shiftRightJam64
+/*----------------------------------------------------------------------------
+| Shifts 'a' right by the number of bits given in 'dist', which must not
+| be zero. If any nonzero bits are shifted off, they are "jammed" into the
+| least-significant bit of the shifted value by setting the least-significant
+| bit to 1. This shifted-and-jammed value is returned.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than 64, the result will be either 0 or 1, depending on whether 'a'
+| is zero or nonzero.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE u64int softfloat_shiftRightJam64( u64int a, u32int dist )
+{+ return
+ (dist < 63) ? a>>dist | ((u64int) (a<<(-dist & 63)) != 0) : (a != 0);
+}
+#else
+u64int softfloat_shiftRightJam64( u64int a, u32int dist );
+#endif
+#endif
+
+#ifndef softfloat_countLeadingZeros16
+/*----------------------------------------------------------------------------
+| Returns the number of leading 0 bits before the most-significant 1 bit of
+| 'a'. If 'a' is zero, 16 is returned.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE u8int softfloat_countLeadingZeros16( u16int a )
+{+ u8int count = 8;
+ if ( 0x100 <= a ) {+ count = 0;
+ a >>= 8;
+ }
+ count += softfloat_countLeadingZeros8[a];
+ return count;
+}
+#else
+u8int softfloat_countLeadingZeros16( u16int a );
+#endif
+#endif
+
+#ifndef softfloat_countLeadingZeros32
+/*----------------------------------------------------------------------------
+| Returns the number of leading 0 bits before the most-significant 1 bit of
+| 'a'. If 'a' is zero, 32 is returned.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE u8int softfloat_countLeadingZeros32( u32int a )
+{+ u8int count = 0;
+ if ( a < 0x10000 ) {+ count = 16;
+ a <<= 16;
+ }
+ if ( a < 0x1000000 ) {+ count += 8;
+ a <<= 8;
+ }
+ count += softfloat_countLeadingZeros8[a>>24];
+ return count;
+}
+#else
+u8int softfloat_countLeadingZeros32( u32int a );
+#endif
+#endif
+
+#ifndef softfloat_countLeadingZeros64
+/*----------------------------------------------------------------------------
+| Returns the number of leading 0 bits before the most-significant 1 bit of
+| 'a'. If 'a' is zero, 64 is returned.
+*----------------------------------------------------------------------------*/
+u8int softfloat_countLeadingZeros64( u64int a );
+#endif
+
+extern const u16int softfloat_approxRecip_1k0s[16];
+extern const u16int softfloat_approxRecip_1k1s[16];
+
+#ifndef softfloat_approxRecip32_1
+/*----------------------------------------------------------------------------
+| Returns an approximation to the reciprocal of the number represented by 'a',
+| where 'a' is interpreted as an unsigned fixed-point number with one integer
+| bit and 31 fraction bits. The 'a' input must be "normalized", meaning that
+| its most-significant bit (bit 31) must be 1. Thus, if A is the value of
+| the fixed-point interpretation of 'a', then 1 <= A < 2. The returned value
+| is interpreted as a pure unsigned fraction, having no integer bits and 32
+| fraction bits. The approximation returned is never greater than the true
+| reciprocal 1/A, and it differs from the true reciprocal by at most 2.006 ulp
+| (units in the last place).
+*----------------------------------------------------------------------------*/
+#ifdef SOFTFLOAT_FAST_DIV64TO32
+#define softfloat_approxRecip32_1( a ) ((u32int) (UINT64_C( 0x7FFFFFFFFFFFFFFF ) / (u32int) (a)))
+#else
+u32int softfloat_approxRecip32_1( u32int a );
+#endif
+#endif
+
+extern const u16int softfloat_approxRecipSqrt_1k0s[16];
+extern const u16int softfloat_approxRecipSqrt_1k1s[16];
+
+#ifndef softfloat_approxRecipSqrt32_1
+/*----------------------------------------------------------------------------
+| Returns an approximation to the reciprocal of the square root of the number
+| represented by 'a', where 'a' is interpreted as an unsigned fixed-point
+| number either with one integer bit and 31 fraction bits or with two integer
+| bits and 30 fraction bits. The format of 'a' is determined by 'oddExpA',
+| which must be either 0 or 1. If 'oddExpA' is 1, 'a' is interpreted as
+| having one integer bit, and if 'oddExpA' is 0, 'a' is interpreted as having
+| two integer bits. The 'a' input must be "normalized", meaning that its
+| most-significant bit (bit 31) must be 1. Thus, if A is the value of the
+| fixed-point interpretation of 'a', it follows that 1 <= A < 2 when 'oddExpA'
+| is 1, and 2 <= A < 4 when 'oddExpA' is 0.
+| The returned value is interpreted as a pure unsigned fraction, having
+| no integer bits and 32 fraction bits. The approximation returned is never
+| greater than the true reciprocal 1/sqrt(A), and it differs from the true
+| reciprocal by at most 2.06 ulp (units in the last place). The approximation
+| returned is also always within the range 0.5 to 1; thus, the most-
+| significant bit of the result is always set.
+*----------------------------------------------------------------------------*/
+u32int softfloat_approxRecipSqrt32_1( unsigned int oddExpA, u32int a );
+#endif
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is
+| defined.
+*----------------------------------------------------------------------------*/
+
+#ifndef softfloat_eq128
+/*----------------------------------------------------------------------------
+| Returns true if the 128-bit unsigned integer formed by concatenating 'a64'
+| and 'a0' is equal to the 128-bit unsigned integer formed by concatenating
+| 'b64' and 'b0'.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (1 <= INLINE_LEVEL)
+INLINE
+bool softfloat_eq128( u64int a64, u64int a0, u64int b64, u64int b0 )
+ { return (a64 == b64) && (a0 == b0); }+#else
+bool softfloat_eq128( u64int a64, u64int a0, u64int b64, u64int b0 );
+#endif
+#endif
+
+#ifndef softfloat_le128
+/*----------------------------------------------------------------------------
+| Returns true if the 128-bit unsigned integer formed by concatenating 'a64'
+| and 'a0' is less than or equal to the 128-bit unsigned integer formed by
+| concatenating 'b64' and 'b0'.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+bool softfloat_le128( u64int a64, u64int a0, u64int b64, u64int b0 )
+ { return (a64 < b64) || ((a64 == b64) && (a0 <= b0)); }+#else
+bool softfloat_le128( u64int a64, u64int a0, u64int b64, u64int b0 );
+#endif
+#endif
+
+#ifndef softfloat_lt128
+/*----------------------------------------------------------------------------
+| Returns true if the 128-bit unsigned integer formed by concatenating 'a64'
+| and 'a0' is less than the 128-bit unsigned integer formed by concatenating
+| 'b64' and 'b0'.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+bool softfloat_lt128( u64int a64, u64int a0, u64int b64, u64int b0 )
+ { return (a64 < b64) || ((a64 == b64) && (a0 < b0)); }+#else
+bool softfloat_lt128( u64int a64, u64int a0, u64int b64, u64int b0 );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftLeft128
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' left by the
+| number of bits given in 'dist', which must be in the range 1 to 63.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_shortShiftLeft128( u64int a64, u64int a0, u8int dist )
+{+ struct uint128 z;
+ z.v64 = a64<<dist | a0>>(-dist & 63);
+ z.v0 = a0<<dist;
+ return z;
+}
+#else
+struct uint128
+ softfloat_shortShiftLeft128( u64int a64, u64int a0, u8int dist );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftRight128
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' right by the
+| number of bits given in 'dist', which must be in the range 1 to 63.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_shortShiftRight128( u64int a64, u64int a0, u8int dist )
+{+ struct uint128 z;
+ z.v64 = a64>>dist;
+ z.v0 = a64<<(-dist & 63) | a0>>dist;
+ return z;
+}
+#else
+struct uint128
+ softfloat_shortShiftRight128( u64int a64, u64int a0, u8int dist );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftRightJam64Extra
+/*----------------------------------------------------------------------------
+| This function is the same as 'softfloat_shiftRightJam64Extra' (below),
+| except that 'dist' must be in the range 1 to 63.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint64_extra
+ softfloat_shortShiftRightJam64Extra(
+ u64int a, u64int extra, u8int dist )
+{+ struct uint64_extra z;
+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63) | (extra != 0);
+ return z;
+}
+#else
+struct uint64_extra
+ softfloat_shortShiftRightJam64Extra(
+ u64int a, u64int extra, u8int dist );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftRightJam128
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' right by the
+| number of bits given in 'dist', which must be in the range 1 to 63. If any
+| nonzero bits are shifted off, they are "jammed" into the least-significant
+| bit of the shifted value by setting the least-significant bit to 1. This
+| shifted-and-jammed value is returned.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_shortShiftRightJam128(
+ u64int a64, u64int a0, u8int dist )
+{+ u8int negDist = -dist;
+ struct uint128 z;
+ z.v64 = a64>>dist;
+ z.v0 =
+ a64<<(negDist & 63) | a0>>dist
+ | ((u64int) (a0<<(negDist & 63)) != 0);
+ return z;
+}
+#else
+struct uint128
+ softfloat_shortShiftRightJam128(
+ u64int a64, u64int a0, u8int dist );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftRightJam128Extra
+/*----------------------------------------------------------------------------
+| This function is the same as 'softfloat_shiftRightJam128Extra' (below),
+| except that 'dist' must be in the range 1 to 63.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE
+struct uint128_extra
+ softfloat_shortShiftRightJam128Extra(
+ u64int a64, u64int a0, u64int extra, u8int dist )
+{+ u8int negDist = -dist;
+ struct uint128_extra z;
+ z.v.v64 = a64>>dist;
+ z.v.v0 = a64<<(negDist & 63) | a0>>dist;
+ z.extra = a0<<(negDist & 63) | (extra != 0);
+ return z;
+}
+#else
+struct uint128_extra
+ softfloat_shortShiftRightJam128Extra(
+ u64int a64, u64int a0, u64int extra, u8int dist );
+#endif
+#endif
+
+#ifndef softfloat_shiftRightJam64Extra
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a' and 'extra' right by 64
+| _plus_ the number of bits given in 'dist', which must not be zero. This
+| shifted value is at most 64 nonzero bits and is returned in the 'v' field
+| of the 'struct uint64_extra' result. The 64-bit 'extra' field of the result
+| contains a value formed as follows from the bits that were shifted off: The
+| _last_ bit shifted off is the most-significant bit of the 'extra' field, and
+| the other 63 bits of the 'extra' field are all zero if and only if _all_but_
+| _the_last_ bits shifted off were all zero.
+| (This function makes more sense if 'a' and 'extra' are considered to form
+| an unsigned fixed-point number with binary point between 'a' and 'extra'.
+| This fixed-point value is shifted right by the number of bits given in
+| 'dist', and the integer part of this shifted value is returned in the 'v'
+| field of the result. The fractional part of the shifted value is modified
+| as described above and returned in the 'extra' field of the result.)
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (4 <= INLINE_LEVEL)
+INLINE
+struct uint64_extra
+ softfloat_shiftRightJam64Extra(
+ u64int a, u64int extra, u32int dist )
+{+ struct uint64_extra z;
+ if ( dist < 64 ) {+ z.v = a>>dist;
+ z.extra = a<<(-dist & 63);
+ } else {+ z.v = 0;
+ z.extra = (dist == 64) ? a : (a != 0);
+ }
+ z.extra |= (extra != 0);
+ return z;
+}
+#else
+struct uint64_extra
+ softfloat_shiftRightJam64Extra(
+ u64int a, u64int extra, u32int dist );
+#endif
+#endif
+
+#ifndef softfloat_shiftRightJam128
+/*----------------------------------------------------------------------------
+| Shifts the 128 bits formed by concatenating 'a64' and 'a0' right by the
+| number of bits given in 'dist', which must not be zero. If any nonzero bits
+| are shifted off, they are "jammed" into the least-significant bit of the
+| shifted value by setting the least-significant bit to 1. This shifted-and-
+| jammed value is returned.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than 128, the result will be either 0 or 1, depending on whether the
+| original 128 bits are all zeros.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_shiftRightJam128( u64int a64, u64int a0, u32int dist );
+#endif
+
+#ifndef softfloat_shiftRightJam128Extra
+/*----------------------------------------------------------------------------
+| Shifts the 192 bits formed by concatenating 'a64', 'a0', and 'extra' right
+| by 64 _plus_ the number of bits given in 'dist', which must not be zero.
+| This shifted value is at most 128 nonzero bits and is returned in the 'v'
+| field of the 'struct uint128_extra' result. The 64-bit 'extra' field of the
+| result contains a value formed as follows from the bits that were shifted
+| off: The _last_ bit shifted off is the most-significant bit of the 'extra'
+| field, and the other 63 bits of the 'extra' field are all zero if and only
+| if _all_but_the_last_ bits shifted off were all zero.
+| (This function makes more sense if 'a64', 'a0', and 'extra' are considered
+| to form an unsigned fixed-point number with binary point between 'a0' and
+| 'extra'. This fixed-point value is shifted right by the number of bits
+| given in 'dist', and the integer part of this shifted value is returned
+| in the 'v' field of the result. The fractional part of the shifted value
+| is modified as described above and returned in the 'extra' field of the
+| result.)
+*----------------------------------------------------------------------------*/
+struct uint128_extra
+ softfloat_shiftRightJam128Extra(
+ u64int a64, u64int a0, u64int extra, u32int dist );
+#endif
+
+#ifndef softfloat_shiftRightJam256M
+/*----------------------------------------------------------------------------
+| Shifts the 256-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', which must not be zero. If any nonzero bits are
+| shifted off, they are "jammed" into the least-significant bit of the shifted
+| value by setting the least-significant bit to 1. This shifted-and-jammed
+| value is stored at the location pointed to by 'zPtr'. Each of 'aPtr' and
+| 'zPtr' points to an array of four 64-bit elements that concatenate in the
+| platform's normal endian order to form a 256-bit integer.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist'
+| is greater than 256, the stored result will be either 0 or 1, depending on
+| whether the original 256 bits are all zeros.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shiftRightJam256M(
+ const u64int *aPtr, u32int dist, u64int *zPtr );
+#endif
+
+#ifndef softfloat_add128
+/*----------------------------------------------------------------------------
+| Returns the sum of the 128-bit integer formed by concatenating 'a64' and
+| 'a0' and the 128-bit integer formed by concatenating 'b64' and 'b0'. The
+| addition is modulo 2^128, so any carry out is lost.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_add128( u64int a64, u64int a0, u64int b64, u64int b0 )
+{+ struct uint128 z;
+ z.v0 = a0 + b0;
+ z.v64 = a64 + b64 + (z.v0 < a0);
+ return z;
+}
+#else
+struct uint128
+ softfloat_add128( u64int a64, u64int a0, u64int b64, u64int b0 );
+#endif
+#endif
+
+#ifndef softfloat_add256M
+/*----------------------------------------------------------------------------
+| Adds the two 256-bit integers pointed to by 'aPtr' and 'bPtr'. The addition
+| is modulo 2^256, so any carry out is lost. The sum is stored at the
+| location pointed to by 'zPtr'. Each of 'aPtr', 'bPtr', and 'zPtr' points to
+| an array of four 64-bit elements that concatenate in the platform's normal
+| endian order to form a 256-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_add256M(
+ const u64int *aPtr, const u64int *bPtr, u64int *zPtr );
+#endif
+
+#ifndef softfloat_sub128
+/*----------------------------------------------------------------------------
+| Returns the difference of the 128-bit integer formed by concatenating 'a64'
+| and 'a0' and the 128-bit integer formed by concatenating 'b64' and 'b0'.
+| The subtraction is modulo 2^128, so any borrow out (carry out) is lost.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+struct uint128
+ softfloat_sub128( u64int a64, u64int a0, u64int b64, u64int b0 )
+{+ struct uint128 z;
+ z.v0 = a0 - b0;
+ z.v64 = a64 - b64;
+ z.v64 -= (a0 < b0);
+ return z;
+}
+#else
+struct uint128
+ softfloat_sub128( u64int a64, u64int a0, u64int b64, u64int b0 );
+#endif
+#endif
+
+#ifndef softfloat_sub256M
+/*----------------------------------------------------------------------------
+| Subtracts the 256-bit integer pointed to by 'bPtr' from the 256-bit integer
+| pointed to by 'aPtr'. The addition is modulo 2^256, so any borrow out
+| (carry out) is lost. The difference is stored at the location pointed to
+| by 'zPtr'. Each of 'aPtr', 'bPtr', and 'zPtr' points to an array of four
+| 64-bit elements that concatenate in the platform's normal endian order to
+| form a 256-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_sub256M(
+ const u64int *aPtr, const u64int *bPtr, u64int *zPtr );
+#endif
+
+#ifndef softfloat_mul64ByShifted32To128
+/*----------------------------------------------------------------------------
+| Returns the 128-bit product of 'a', 'b', and 2^32.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (3 <= INLINE_LEVEL)
+INLINE struct uint128 softfloat_mul64ByShifted32To128( u64int a, u32int b )
+{+ u64int mid;
+ struct uint128 z;
+ mid = (u64int) (u32int) a * b;
+ z.v0 = mid<<32;
+ z.v64 = (u64int) (u32int) (a>>32) * b + (mid>>32);
+ return z;
+}
+#else
+struct uint128 softfloat_mul64ByShifted32To128( u64int a, u32int b );
+#endif
+#endif
+
+#ifndef softfloat_mul64To128
+/*----------------------------------------------------------------------------
+| Returns the 128-bit product of 'a' and 'b'.
+*----------------------------------------------------------------------------*/
+struct uint128 softfloat_mul64To128( u64int a, u64int b );
+#endif
+
+#ifndef softfloat_mul128By32
+/*----------------------------------------------------------------------------
+| Returns the product of the 128-bit integer formed by concatenating 'a64' and
+| 'a0', multiplied by 'b'. The multiplication is modulo 2^128; any overflow
+| bits are discarded.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (4 <= INLINE_LEVEL)
+INLINE
+struct uint128 softfloat_mul128By32( u64int a64, u64int a0, u32int b )
+{+ struct uint128 z;
+ u64int mid;
+ u32int carry;
+ z.v0 = a0 * b;
+ mid = (u64int) (u32int) (a0>>32) * b;
+ carry = (u32int) ((u32int) (z.v0>>32) - (u32int) mid);
+ z.v64 = a64 * b + (u32int) ((mid + carry)>>32);
+ return z;
+}
+#else
+struct uint128 softfloat_mul128By32( u64int a64, u64int a0, u32int b );
+#endif
+#endif
+
+#ifndef softfloat_mul128To256M
+/*----------------------------------------------------------------------------
+| Multiplies the 128-bit unsigned integer formed by concatenating 'a64' and
+| 'a0' by the 128-bit unsigned integer formed by concatenating 'b64' and
+| 'b0'. The 256-bit product is stored at the location pointed to by 'zPtr'.
+| Argument 'zPtr' points to an array of four 64-bit elements that concatenate
+| in the platform's normal endian order to form a 256-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_mul128To256M(
+ u64int a64, u64int a0, u64int b64, u64int b0, u64int *zPtr );
+#endif
+
+#else
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is not
+| defined.
+*----------------------------------------------------------------------------*/
+
+#ifndef softfloat_compare96M
+/*----------------------------------------------------------------------------
+| Compares the two 96-bit unsigned integers pointed to by 'aPtr' and 'bPtr'.
+| Returns -1 if the first integer (A) is less than the second (B); returns 0
+| if the two integers are equal; and returns +1 if the first integer (A)
+| is greater than the second (B). (The result is thus the signum of A - B.)
+| Each of 'aPtr' and 'bPtr' points to an array of three 32-bit elements that
+| concatenate in the platform's normal endian order to form a 96-bit integer.
+*----------------------------------------------------------------------------*/
+s8int softfloat_compare96M( const u32int *aPtr, const u32int *bPtr );
+#endif
+
+#ifndef softfloat_compare128M
+/*----------------------------------------------------------------------------
+| Compares the two 128-bit unsigned integers pointed to by 'aPtr' and 'bPtr'.
+| Returns -1 if the first integer (A) is less than the second (B); returns 0
+| if the two integers are equal; and returns +1 if the first integer (A)
+| is greater than the second (B). (The result is thus the signum of A - B.)
+| Each of 'aPtr' and 'bPtr' points to an array of four 32-bit elements that
+| concatenate in the platform's normal endian order to form a 128-bit integer.
+*----------------------------------------------------------------------------*/
+s8int
+ softfloat_compare128M( const u32int *aPtr, const u32int *bPtr );
+#endif
+
+#ifndef softfloat_shortShiftLeft64To96M
+/*----------------------------------------------------------------------------
+| Extends 'a' to 96 bits and shifts the value left by the number of bits given
+| in 'dist', which must be in the range 1 to 31. The result is stored at the
+| location pointed to by 'zPtr'. Argument 'zPtr' points to an array of three
+| 32-bit elements that concatenate in the platform's normal endian order to
+| form a 96-bit integer.
+*----------------------------------------------------------------------------*/
+#if defined INLINE_LEVEL && (2 <= INLINE_LEVEL)
+INLINE
+void
+ softfloat_shortShiftLeft64To96M(
+ u64int a, u8int dist, u32int *zPtr )
+{+ zPtr[indexWord( 3, 0 )] = (u32int) a<<dist;
+ a >>= 32 - dist;
+ zPtr[indexWord( 3, 2 )] = a>>32;
+ zPtr[indexWord( 3, 1 )] = a;
+}
+#else
+void
+ softfloat_shortShiftLeft64To96M(
+ u64int a, u8int dist, u32int *zPtr );
+#endif
+#endif
+
+#ifndef softfloat_shortShiftLeftM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' left by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must be in the range 1 to 31. Any nonzero bits shifted off are lost. The
+| shifted N-bit result is stored at the location pointed to by 'zPtr'. Each
+| of 'aPtr' and 'zPtr' points to a 'size_words'-long array of 32-bit elements
+| that concatenate in the platform's normal endian order to form an N-bit
+| integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shortShiftLeftM(
+ u8int size_words,
+ const u32int *aPtr,
+ u8int dist,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_shortShiftLeft96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftLeftM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftLeft96M( aPtr, dist, zPtr ) softfloat_shortShiftLeftM( 3, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftLeft128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftLeftM' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftLeft128M( aPtr, dist, zPtr ) softfloat_shortShiftLeftM( 4, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftLeft160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftLeftM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftLeft160M( aPtr, dist, zPtr ) softfloat_shortShiftLeftM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftLeftM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' left by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must not be zero. Any nonzero bits shifted off are lost. The shifted
+| N-bit result is stored at the location pointed to by 'zPtr'. Each of 'aPtr'
+| and 'zPtr' points to a 'size_words'-long array of 32-bit elements that
+| concatenate in the platform's normal endian order to form an N-bit integer.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than N, the stored result will be 0.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shiftLeftM(
+ u8int size_words,
+ const u32int *aPtr,
+ u32int dist,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_shiftLeft96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftLeftM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftLeft96M( aPtr, dist, zPtr ) softfloat_shiftLeftM( 3, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftLeft128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftLeftM' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftLeft128M( aPtr, dist, zPtr ) softfloat_shiftLeftM( 4, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftLeft160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftLeftM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftLeft160M( aPtr, dist, zPtr ) softfloat_shiftLeftM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftRightM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must be in the range 1 to 31. Any nonzero bits shifted off are lost. The
+| shifted N-bit result is stored at the location pointed to by 'zPtr'. Each
+| of 'aPtr' and 'zPtr' points to a 'size_words'-long array of 32-bit elements
+| that concatenate in the platform's normal endian order to form an N-bit
+| integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shortShiftRightM(
+ u8int size_words,
+ const u32int *aPtr,
+ u8int dist,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_shortShiftRight128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftRightM' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftRight128M( aPtr, dist, zPtr ) softfloat_shortShiftRightM( 4, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftRight160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftRightM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftRight160M( aPtr, dist, zPtr ) softfloat_shortShiftRightM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shortShiftRightJamM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must be in the range 1 to 31. If any nonzero bits are shifted off, they are
+| "jammed" into the least-significant bit of the shifted value by setting the
+| least-significant bit to 1. This shifted-and-jammed N-bit result is stored
+| at the location pointed to by 'zPtr'. Each of 'aPtr' and 'zPtr' points
+| to a 'size_words'-long array of 32-bit elements that concatenate in the
+| platform's normal endian order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shortShiftRightJamM(
+ u8int, const u32int *, u8int, u32int * );
+#endif
+
+#ifndef softfloat_shortShiftRightJam160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shortShiftRightJamM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shortShiftRightJam160M( aPtr, dist, zPtr ) softfloat_shortShiftRightJamM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftRightM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must not be zero. Any nonzero bits shifted off are lost. The shifted
+| N-bit result is stored at the location pointed to by 'zPtr'. Each of 'aPtr'
+| and 'zPtr' points to a 'size_words'-long array of 32-bit elements that
+| concatenate in the platform's normal endian order to form an N-bit integer.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist' is
+| greater than N, the stored result will be 0.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shiftRightM(
+ u8int size_words,
+ const u32int *aPtr,
+ u32int dist,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_shiftRight96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftRightM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftRight96M( aPtr, dist, zPtr ) softfloat_shiftRightM( 3, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftRightJamM
+/*----------------------------------------------------------------------------
+| Shifts the N-bit unsigned integer pointed to by 'aPtr' right by the number
+| of bits given in 'dist', where N = 'size_words' * 32. The value of 'dist'
+| must not be zero. If any nonzero bits are shifted off, they are "jammed"
+| into the least-significant bit of the shifted value by setting the least-
+| significant bit to 1. This shifted-and-jammed N-bit result is stored
+| at the location pointed to by 'zPtr'. Each of 'aPtr' and 'zPtr' points
+| to a 'size_words'-long array of 32-bit elements that concatenate in the
+| platform's normal endian order to form an N-bit integer.
+| The value of 'dist' can be arbitrarily large. In particular, if 'dist'
+| is greater than N, the stored result will be either 0 or 1, depending on
+| whether the original N bits are all zeros.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_shiftRightJamM(
+ u8int size_words,
+ const u32int *aPtr,
+ u32int dist,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_shiftRightJam128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftRightJamM' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftRightJam128M( aPtr, dist, zPtr ) softfloat_shiftRightJamM( 4, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_shiftRightJam160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_shiftRightJamM' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_shiftRightJam160M( aPtr, dist, zPtr ) softfloat_shiftRightJamM( 5, aPtr, dist, zPtr )
+#endif
+
+#ifndef softfloat_addM
+/*----------------------------------------------------------------------------
+| Adds the two N-bit integers pointed to by 'aPtr' and 'bPtr', where N =
+| 'size_words' * 32. The addition is modulo 2^N, so any carry out is lost.
+| The N-bit sum is stored at the location pointed to by 'zPtr'. Each of
+| 'aPtr', 'bPtr', and 'zPtr' points to a 'size_words'-long array of 32-bit
+| elements that concatenate in the platform's normal endian order to form an
+| N-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_addM(
+ u8int size_words,
+ const u32int *aPtr,
+ const u32int *bPtr,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_add128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addM' with 'size_words'
+| = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_add128M( aPtr, bPtr, zPtr ) softfloat_addM( 4, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_add160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addM' with 'size_words'
+| = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_add160M( aPtr, bPtr, zPtr ) softfloat_addM( 5, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_addCarryM
+/*----------------------------------------------------------------------------
+| Adds the two N-bit unsigned integers pointed to by 'aPtr' and 'bPtr', where
+| N = 'size_words' * 32, plus 'carry', which must be either 0 or 1. The N-bit
+| sum (modulo 2^N) is stored at the location pointed to by 'zPtr', and any
+| carry out is returned as the result. Each of 'aPtr', 'bPtr', and 'zPtr'
+| points to a 'size_words'-long array of 32-bit elements that concatenate in
+| the platform's normal endian order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+u8int
+ softfloat_addCarryM(
+ u8int size_words,
+ const u32int *aPtr,
+ const u32int *bPtr,
+ u8int carry,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_addComplCarryM
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addCarryM', except that
+| the value of the unsigned integer pointed to by 'bPtr' is bit-wise completed
+| before the addition.
+*----------------------------------------------------------------------------*/
+u8int
+ softfloat_addComplCarryM(
+ u8int size_words,
+ const u32int *aPtr,
+ const u32int *bPtr,
+ u8int carry,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_addComplCarry96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_addComplCarryM' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_addComplCarry96M( aPtr, bPtr, carry, zPtr ) softfloat_addComplCarryM( 3, aPtr, bPtr, carry, zPtr )
+#endif
+
+#ifndef softfloat_negXM
+/*----------------------------------------------------------------------------
+| Replaces the N-bit unsigned integer pointed to by 'zPtr' by the
+| 2s-complement of itself, where N = 'size_words' * 32. Argument 'zPtr'
+| points to a 'size_words'-long array of 32-bit elements that concatenate in
+| the platform's normal endian order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+void softfloat_negXM( u8int size_words, u32int *zPtr );
+#endif
+
+#ifndef softfloat_negX96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
+| = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_negX96M( zPtr ) softfloat_negXM( 3, zPtr )
+#endif
+
+#ifndef softfloat_negX128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
+| = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_negX128M( zPtr ) softfloat_negXM( 4, zPtr )
+#endif
+
+#ifndef softfloat_negX160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
+| = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_negX160M( zPtr ) softfloat_negXM( 5, zPtr )
+#endif
+
+#ifndef softfloat_negX256M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_negXM' with 'size_words'
+| = 8 (N = 256).
+*----------------------------------------------------------------------------*/
+#define softfloat_negX256M( zPtr ) softfloat_negXM( 8, zPtr )
+#endif
+
+#ifndef softfloat_sub1XM
+/*----------------------------------------------------------------------------
+| Subtracts 1 from the N-bit integer pointed to by 'zPtr', where N =
+| 'size_words' * 32. The subtraction is modulo 2^N, so any borrow out (carry
+| out) is lost. Argument 'zPtr' points to a 'size_words'-long array of 32-bit
+| elements that concatenate in the platform's normal endian order to form an
+| N-bit integer.
+*----------------------------------------------------------------------------*/
+void softfloat_sub1XM( u8int size_words, u32int *zPtr );
+#endif
+
+#ifndef softfloat_sub1X96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_sub1XM' with 'size_words'
+| = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub1X96M( zPtr ) softfloat_sub1XM( 3, zPtr )
+#endif
+
+#ifndef softfloat_sub1X160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_sub1XM' with 'size_words'
+| = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub1X160M( zPtr ) softfloat_sub1XM( 5, zPtr )
+#endif
+
+#ifndef softfloat_subM
+/*----------------------------------------------------------------------------
+| Subtracts the two N-bit integers pointed to by 'aPtr' and 'bPtr', where N =
+| 'size_words' * 32. The subtraction is modulo 2^N, so any borrow out (carry
+| out) is lost. The N-bit difference is stored at the location pointed to by
+| 'zPtr'. Each of 'aPtr', 'bPtr', and 'zPtr' points to a 'size_words'-long
+| array of 32-bit elements that concatenate in the platform's normal endian
+| order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_subM(
+ u8int size_words,
+ const u32int *aPtr,
+ const u32int *bPtr,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_sub96M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_subM' with 'size_words'
+| = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub96M( aPtr, bPtr, zPtr ) softfloat_subM( 3, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_sub128M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_subM' with 'size_words'
+| = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub128M( aPtr, bPtr, zPtr ) softfloat_subM( 4, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_sub160M
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_subM' with 'size_words'
+| = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_sub160M( aPtr, bPtr, zPtr ) softfloat_subM( 5, aPtr, bPtr, zPtr )
+#endif
+
+#ifndef softfloat_mul64To128M
+/*----------------------------------------------------------------------------
+| Multiplies 'a' and 'b' and stores the 128-bit product at the location
+| pointed to by 'zPtr'. Argument 'zPtr' points to an array of four 32-bit
+| elements that concatenate in the platform's normal endian order to form a
+| 128-bit integer.
+*----------------------------------------------------------------------------*/
+void softfloat_mul64To128M( u64int a, u64int b, u32int *zPtr );
+#endif
+
+#ifndef softfloat_mul128MTo256M
+/*----------------------------------------------------------------------------
+| Multiplies the two 128-bit unsigned integers pointed to by 'aPtr' and
+| 'bPtr', and stores the 256-bit product at the location pointed to by 'zPtr'.
+| Each of 'aPtr' and 'bPtr' points to an array of four 32-bit elements that
+| concatenate in the platform's normal endian order to form a 128-bit integer.
+| Argument 'zPtr' points to an array of eight 32-bit elements that concatenate
+| to form a 256-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_mul128MTo256M(
+ const u32int *aPtr, const u32int *bPtr, u32int *zPtr );
+#endif
+
+#ifndef softfloat_remStepMBy32
+/*----------------------------------------------------------------------------
+| Performs a "remainder reduction step" as follows: Arguments 'remPtr' and
+| 'bPtr' both point to N-bit unsigned integers, where N = 'size_words' * 32.
+| Defining R and B as the values of those integers, the expression (R<<'dist')
+| - B * q is computed modulo 2^N, and the N-bit result is stored at the
+| location pointed to by 'zPtr'. Each of 'remPtr', 'bPtr', and 'zPtr' points
+| to a 'size_words'-long array of 32-bit elements that concatenate in the
+| platform's normal endian order to form an N-bit integer.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_remStepMBy32(
+ u8int size_words,
+ const u32int *remPtr,
+ u8int dist,
+ const u32int *bPtr,
+ u32int q,
+ u32int *zPtr
+ );
+#endif
+
+#ifndef softfloat_remStep96MBy32
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_remStepMBy32' with
+| 'size_words' = 3 (N = 96).
+*----------------------------------------------------------------------------*/
+#define softfloat_remStep96MBy32( remPtr, dist, bPtr, q, zPtr ) softfloat_remStepMBy32( 3, remPtr, dist, bPtr, q, zPtr )
+#endif
+
+#ifndef softfloat_remStep128MBy32
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_remStepMBy32' with
+| 'size_words' = 4 (N = 128).
+*----------------------------------------------------------------------------*/
+#define softfloat_remStep128MBy32( remPtr, dist, bPtr, q, zPtr ) softfloat_remStepMBy32( 4, remPtr, dist, bPtr, q, zPtr )
+#endif
+
+#ifndef softfloat_remStep160MBy32
+/*----------------------------------------------------------------------------
+| This function or macro is the same as 'softfloat_remStepMBy32' with
+| 'size_words' = 5 (N = 160).
+*----------------------------------------------------------------------------*/
+#define softfloat_remStep160MBy32( remPtr, dist, bPtr, q, zPtr ) softfloat_remStepMBy32( 5, remPtr, dist, bPtr, q, zPtr )
+#endif
+
+#endif
+
+/*----------------------------------------------------------------------------
+| Types used to pass 16-bit, 32-bit, 64-bit, and 128-bit floating-point
+| arguments and results to/from functions. These types must be exactly
+| 16 bits, 32 bits, 64 bits, and 128 bits in size, respectively. Where a
+| platform has "native" support for IEEE-Standard floating-point formats,
+| the types below may, if desired, be defined as aliases for the native types
+| (typically 'float' and 'double', and possibly 'long double').
+*----------------------------------------------------------------------------*/
+
+typedef struct { u16int v; } float16_t;+typedef struct { u16int v; } bfloat16_t;+typedef struct { u32int v; } float32_t;+typedef struct { u64int v; } float64_t;+typedef struct { u64int v[2]; } float128_t;+
+/*----------------------------------------------------------------------------
+| The format of an 80-bit extended floating-point number in memory. This
+| structure must contain a 16-bit field named 'signExp' and a 64-bit field
+| named 'signif'.
+*----------------------------------------------------------------------------*/
+#ifdef LITTLEENDIAN
+struct extFloat80M { u64int signif; u16int signExp; };+#else
+struct extFloat80M { u16int signExp; u64int signif; };+#endif
+
+/*----------------------------------------------------------------------------
+| The type used to pass 80-bit extended floating-point arguments and
+| results to/from functions. This type must have size identical to
+| 'struct extFloat80M'. Type 'extFloat80_t' can be defined as an alias for
+| 'struct extFloat80M'. Alternatively, if a platform has "native" support
+| for IEEE-Standard 80-bit extended floating-point, it may be possible,
+| if desired, to define 'extFloat80_t' as an alias for the native type
+| (presumably either 'long double' or a nonstandard compiler-intrinsic type).
+| In that case, the 'signif' and 'signExp' fields of 'struct extFloat80M'
+| must align exactly with the locations in memory of the sign, exponent, and
+| significand of the native type.
+*----------------------------------------------------------------------------*/
+typedef struct extFloat80M extFloat80_t;
+
+union ui16_f16 { u16int ui; float16_t f; };+union ui16_bf16 { u16int ui; bfloat16_t f; };+union ui32_f32 { u32int ui; float32_t f; };+union ui64_f64 { u64int ui; float64_t f; };+
+#ifdef SOFTFLOAT_FAST_INT64
+union extF80M_extF80 { struct extFloat80M fM; extFloat80_t f; };+union ui128_f128 { struct uint128 ui; float128_t f; };+#endif
+
+enum {+ softfloat_mulAdd_subC = 1,
+ softfloat_mulAdd_subProd = 2
+};
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+u32int softfloat_roundToUI32( bool, u64int, u8int, bool );
+
+#ifdef SOFTFLOAT_FAST_INT64
+u64int
+ softfloat_roundToUI64(
+ bool, u64int, u64int, u8int, bool );
+#else
+u64int softfloat_roundMToUI64( bool, u32int *, u8int, bool );
+#endif
+
+s32int softfloat_roundToI32( bool, u64int, u8int, bool );
+
+#ifdef SOFTFLOAT_FAST_INT64
+s64int
+ softfloat_roundToI64(
+ bool, u64int, u64int, u8int, bool );
+#else
+s64int softfloat_roundMToI64( bool, u32int *, u8int, bool );
+#endif
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF16UI( a ) ((bool) ((u16int) (a)>>15))
+#define expF16UI( a ) ((s8int) ((a)>>10) & 0x1F)
+#define fracF16UI( a ) ((a) & 0x03FF)
+#define packToF16UI( sign, exp, sig ) (((u16int) (sign)<<15) + ((u16int) (exp)<<10) + (sig))
+
+#define isNaNF16UI( a ) (((~(a) & 0x7C00) == 0) && ((a) & 0x03FF))
+
+struct exp8_sig16 { s8int exp; u16int sig; };+struct exp8_sig16 softfloat_normSubnormalF16Sig( u16int );
+
+float16_t softfloat_roundPackToF16( bool, s16int, u16int );
+float16_t softfloat_normRoundPackToF16( bool, s16int, u16int );
+
+float16_t softfloat_addMagsF16( u16int, u16int );
+float16_t softfloat_subMagsF16( u16int, u16int );
+float16_t
+ softfloat_mulAddF16(
+ u16int, u16int, u16int, u8int );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signBF16UI( a ) ((bool) ((u16int) (a)>>15))
+#define expBF16UI( a ) ((s16int) ((a)>>7) & 0xFF)
+#define fracBF16UI( a ) ((a) & 0x07F)
+#define packToBF16UI( sign, exp, sig ) (((u16int) (sign)<<15) + ((u16int) (exp)<<7) + (sig))
+
+#define isNaNBF16UI( a ) (((~(a) & 0x7FC0) == 0) && ((a) & 0x07F))
+
+bfloat16_t softfloat_roundPackToBF16( bool, s16int, u16int );
+struct exp8_sig16 softfloat_normSubnormalBF16Sig( u16int );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF32UI( a ) ((bool) ((u32int) (a)>>31))
+#define expF32UI( a ) ((s16int) ((a)>>23) & 0xFF)
+#define fracF32UI( a ) ((a) & 0x007FFFFF)
+#define packToF32UI( sign, exp, sig ) (((u32int) (sign)<<31) + ((u32int) (exp)<<23) + (sig))
+
+#define isNaNF32UI( a ) (((~(a) & 0x7F800000) == 0) && ((a) & 0x007FFFFF))
+
+struct exp16_sig32 { s16int exp; u32int sig; };+struct exp16_sig32 softfloat_normSubnormalF32Sig( u32int );
+
+float32_t softfloat_roundPackToF32( bool, s16int, u32int );
+float32_t softfloat_normRoundPackToF32( bool, s16int, u32int );
+
+float32_t softfloat_addMagsF32( u32int, u32int );
+float32_t softfloat_subMagsF32( u32int, u32int );
+float32_t
+ softfloat_mulAddF32(
+ u32int, u32int, u32int, u8int );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF64UI( a ) ((bool) ((u64int) (a)>>63))
+#define expF64UI( a ) ((s16int) ((a)>>52) & 0x7FF)
+#define fracF64UI( a ) ((a) & UINT64_C( 0x000FFFFFFFFFFFFF ))
+#define packToF64UI( sign, exp, sig ) ((u64int) (((u64int) (sign)<<63) + ((u64int) (exp)<<52) + (sig)))
+
+#define isNaNF64UI( a ) (((~(a) & UINT64_C( 0x7FF0000000000000 )) == 0) && ((a) & UINT64_C( 0x000FFFFFFFFFFFFF )))
+
+struct exp16_sig64 { s16int exp; u64int sig; };+struct exp16_sig64 softfloat_normSubnormalF64Sig( u64int );
+
+float64_t softfloat_roundPackToF64( bool, s16int, u64int );
+float64_t softfloat_normRoundPackToF64( bool, s16int, u64int );
+
+float64_t softfloat_addMagsF64( u64int, u64int, bool );
+float64_t softfloat_subMagsF64( u64int, u64int, bool );
+float64_t
+ softfloat_mulAddF64(
+ u64int, u64int, u64int, u8int );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signExtF80UI64( a64 ) ((bool) ((u16int) (a64)>>15))
+#define expExtF80UI64( a64 ) ((a64) & 0x7FFF)
+#define packToExtF80UI64( sign, exp ) ((u16int) (sign)<<15 | (exp))
+
+#define isNaNExtF80UI( a64, a0 ) ((((a64) & 0x7FFF) == 0x7FFF) && ((a0) & UINT64_C( 0x7FFFFFFFFFFFFFFF )))
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+
+struct exp32_sig64 { s32int exp; u64int sig; };+struct exp32_sig64 softfloat_normSubnormalExtF80Sig( u64int );
+
+extFloat80_t
+ softfloat_roundPackToExtF80(
+ bool, s32int, u64int, u64int, u8int );
+extFloat80_t
+ softfloat_normRoundPackToExtF80(
+ bool, s32int, u64int, u64int, u8int );
+
+extFloat80_t
+ softfloat_addMagsExtF80(
+ u16int, u64int, u16int, u64int, bool );
+extFloat80_t
+ softfloat_subMagsExtF80(
+ u16int, u64int, u16int, u64int, bool );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF128UI64( a64 ) ((bool) ((u64int) (a64)>>63))
+#define expF128UI64( a64 ) ((s32int) ((a64)>>48) & 0x7FFF)
+#define fracF128UI64( a64 ) ((a64) & UINT64_C( 0x0000FFFFFFFFFFFF ))
+#define packToF128UI64( sign, exp, sig64 ) (((u64int) (sign)<<63) + ((u64int) (exp)<<48) + (sig64))
+
+#define isNaNF128UI( a64, a0 ) (((~(a64) & UINT64_C( 0x7FFF000000000000 )) == 0) && (a0 || ((a64) & UINT64_C( 0x0000FFFFFFFFFFFF ))))
+
+struct exp32_sig128 { s32int exp; struct uint128 sig; };+struct exp32_sig128
+ softfloat_normSubnormalF128Sig( u64int, u64int );
+
+float128_t
+ softfloat_roundPackToF128(
+ bool, s32int, u64int, u64int, u64int );
+float128_t
+ softfloat_normRoundPackToF128(
+ bool, s32int, u64int, u64int );
+
+float128_t
+ softfloat_addMagsF128(
+ u64int, u64int, u64int, u64int, bool );
+float128_t
+ softfloat_subMagsF128(
+ u64int, u64int, u64int, u64int, bool );
+float128_t
+ softfloat_mulAddF128(
+ u64int,
+ u64int,
+ u64int,
+ u64int,
+ u64int,
+ u64int,
+ u8int
+ );
+
+#else
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+
+bool
+ softfloat_tryPropagateNaNExtF80M(
+ const struct extFloat80M *,
+ const struct extFloat80M *,
+ struct extFloat80M *
+ );
+void softfloat_invalidExtF80M( struct extFloat80M * );
+
+int softfloat_normExtF80SigM( u64int * );
+
+void
+ softfloat_roundPackMToExtF80M(
+ bool, s32int, u32int *, u8int, struct extFloat80M * );
+void
+ softfloat_normRoundPackMToExtF80M(
+ bool, s32int, u32int *, u8int, struct extFloat80M * );
+
+void
+ softfloat_addExtF80M(
+ const struct extFloat80M *,
+ const struct extFloat80M *,
+ struct extFloat80M *,
+ bool
+ );
+
+int
+ softfloat_compareNonnormExtF80M(
+ const struct extFloat80M *, const struct extFloat80M * );
+
+/*----------------------------------------------------------------------------
+*----------------------------------------------------------------------------*/
+#define signF128UI96( a96 ) ((bool) ((u32int) (a96)>>31))
+#define expF128UI96( a96 ) ((s32int) ((a96)>>16) & 0x7FFF)
+#define fracF128UI96( a96 ) ((a96) & 0x0000FFFF)
+#define packToF128UI96( sign, exp, sig96 ) (((u32int) (sign)<<31) + ((u32int) (exp)<<16) + (sig96))
+
+bool softfloat_isNaNF128M( const u32int * );
+
+bool
+ softfloat_tryPropagateNaNF128M(
+ const u32int *, const u32int *, u32int * );
+void softfloat_invalidF128M( u32int * );
+
+int softfloat_shiftNormSigF128M( const u32int *, u8int, u32int * );
+
+void softfloat_roundPackMToF128M( bool, s32int, u32int *, u32int * );
+void softfloat_normRoundPackMToF128M( bool, s32int, u32int *, u32int * );
+
+void
+ softfloat_addF128M( const u32int *, const u32int *, u32int *, bool );
+void
+ softfloat_mulAddF128M(
+ const u32int *,
+ const u32int *,
+ const u32int *,
+ u32int *,
+ u8int
+ );
+
+#endif
+
+#ifndef THREAD_LOCAL
+#define THREAD_LOCAL
+#endif
+
+/*----------------------------------------------------------------------------
+| Software floating-point underflow tininess-detection mode.
+*----------------------------------------------------------------------------*/
+extern THREAD_LOCAL u8int softfloat_detectTininess;
+enum {+ softfloat_tininess_beforeRounding = 0,
+ softfloat_tininess_afterRounding = 1
+};
+
+/*----------------------------------------------------------------------------
+| Software floating-point rounding mode. (Mode "odd" is supported only if
+| SoftFloat is compiled with macro 'SOFTFLOAT_ROUND_ODD' defined.)
+*----------------------------------------------------------------------------*/
+extern THREAD_LOCAL u8int softfloat_roundingMode;
+enum {+ softfloat_round_near_even = 0,
+ softfloat_round_minMag = 1,
+ softfloat_round_min = 2,
+ softfloat_round_max = 3,
+ softfloat_round_near_maxMag = 4,
+ softfloat_round_odd = 6
+};
+
+/*----------------------------------------------------------------------------
+| Software floating-point exception flags.
+*----------------------------------------------------------------------------*/
+extern THREAD_LOCAL u8int softfloat_exceptionFlags;
+typedef enum {+ softfloat_flag_inexact = 1,
+ softfloat_flag_underflow = 2,
+ softfloat_flag_overflow = 4,
+ softfloat_flag_infinite = 8,
+ softfloat_flag_invalid = 16
+} exceptionFlag_t;
+
+/*----------------------------------------------------------------------------
+| Routine to raise any or all of the software floating-point exception flags.
+*----------------------------------------------------------------------------*/
+void softfloat_raiseFlags( u8int );
+
+/*----------------------------------------------------------------------------
+| Integer-to-floating-point conversion routines.
+*----------------------------------------------------------------------------*/
+float16_t ui32_to_f16( u32int );
+float32_t ui32_to_f32( u32int );
+float64_t ui32_to_f64( u32int );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t ui32_to_extF80( u32int );
+float128_t ui32_to_f128( u32int );
+#endif
+void ui32_to_extF80M( u32int, extFloat80_t * );
+void ui32_to_f128M( u32int, float128_t * );
+float16_t ui64_to_f16( u64int );
+float32_t ui64_to_f32( u64int );
+float64_t ui64_to_f64( u64int );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t ui64_to_extF80( u64int );
+float128_t ui64_to_f128( u64int );
+#endif
+void ui64_to_extF80M( u64int, extFloat80_t * );
+void ui64_to_f128M( u64int, float128_t * );
+float16_t i32_to_f16( s32int );
+float32_t i32_to_f32( s32int );
+float64_t i32_to_f64( s32int );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t i32_to_extF80( s32int );
+float128_t i32_to_f128( s32int );
+#endif
+void i32_to_extF80M( s32int, extFloat80_t * );
+void i32_to_f128M( s32int, float128_t * );
+float16_t i64_to_f16( s64int );
+float32_t i64_to_f32( s64int );
+float64_t i64_to_f64( s64int );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t i64_to_extF80( s64int );
+float128_t i64_to_f128( s64int );
+#endif
+void i64_to_extF80M( s64int, extFloat80_t * );
+void i64_to_f128M( s64int, float128_t * );
+
+/*----------------------------------------------------------------------------
+| 16-bit (half-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+u32int f16_to_ui32( float16_t, u8int, bool );
+u64int f16_to_ui64( float16_t, u8int, bool );
+s32int f16_to_i32( float16_t, u8int, bool );
+s64int f16_to_i64( float16_t, u8int, bool );
+u32int f16_to_ui32_r_minMag( float16_t, bool );
+u64int f16_to_ui64_r_minMag( float16_t, bool );
+s32int f16_to_i32_r_minMag( float16_t, bool );
+s64int f16_to_i64_r_minMag( float16_t, bool );
+float32_t f16_to_f32( float16_t );
+float64_t f16_to_f64( float16_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t f16_to_extF80( float16_t );
+float128_t f16_to_f128( float16_t );
+#endif
+void f16_to_extF80M( float16_t, extFloat80_t * );
+void f16_to_f128M( float16_t, float128_t * );
+float16_t f16_roundToInt( float16_t, u8int, bool );
+float16_t f16_add( float16_t, float16_t );
+float16_t f16_sub( float16_t, float16_t );
+float16_t f16_mul( float16_t, float16_t );
+float16_t f16_mulAdd( float16_t, float16_t, float16_t );
+float16_t f16_div( float16_t, float16_t );
+float16_t f16_rem( float16_t, float16_t );
+float16_t f16_sqrt( float16_t );
+bool f16_eq( float16_t, float16_t );
+bool f16_le( float16_t, float16_t );
+bool f16_lt( float16_t, float16_t );
+bool f16_eq_signaling( float16_t, float16_t );
+bool f16_le_quiet( float16_t, float16_t );
+bool f16_lt_quiet( float16_t, float16_t );
+bool f16_isSignalingNaN( float16_t );
+
+/*----------------------------------------------------------------------------
+| 16-bit (brain float 16) floating-point operations.
+*----------------------------------------------------------------------------*/
+float32_t bf16_to_f32( bfloat16_t );
+bfloat16_t f32_to_bf16( float32_t );
+bool bf16_isSignalingNaN( bfloat16_t );
+
+/*----------------------------------------------------------------------------
+| 32-bit (single-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+u32int f32_to_ui32( float32_t, u8int, bool );
+u64int f32_to_ui64( float32_t, u8int, bool );
+s32int f32_to_i32( float32_t, u8int, bool );
+s64int f32_to_i64( float32_t, u8int, bool );
+u32int f32_to_ui32_r_minMag( float32_t, bool );
+u64int f32_to_ui64_r_minMag( float32_t, bool );
+s32int f32_to_i32_r_minMag( float32_t, bool );
+s64int f32_to_i64_r_minMag( float32_t, bool );
+float16_t f32_to_f16( float32_t );
+float64_t f32_to_f64( float32_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t f32_to_extF80( float32_t );
+float128_t f32_to_f128( float32_t );
+#endif
+void f32_to_extF80M( float32_t, extFloat80_t * );
+void f32_to_f128M( float32_t, float128_t * );
+float32_t f32_roundToInt( float32_t, u8int, bool );
+float32_t f32_add( float32_t, float32_t );
+float32_t f32_sub( float32_t, float32_t );
+float32_t f32_mul( float32_t, float32_t );
+float32_t f32_mulAdd( float32_t, float32_t, float32_t );
+float32_t f32_div( float32_t, float32_t );
+float32_t f32_rem( float32_t, float32_t );
+float32_t f32_sqrt( float32_t );
+bool f32_eq( float32_t, float32_t );
+bool f32_le( float32_t, float32_t );
+bool f32_lt( float32_t, float32_t );
+bool f32_eq_signaling( float32_t, float32_t );
+bool f32_le_quiet( float32_t, float32_t );
+bool f32_lt_quiet( float32_t, float32_t );
+bool f32_isSignalingNaN( float32_t );
+
+/*----------------------------------------------------------------------------
+| 64-bit (double-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+u32int f64_to_ui32( float64_t, u8int, bool );
+u64int f64_to_ui64( float64_t, u8int, bool );
+s32int f64_to_i32( float64_t, u8int, bool );
+s64int f64_to_i64( float64_t, u8int, bool );
+u32int f64_to_ui32_r_minMag( float64_t, bool );
+u64int f64_to_ui64_r_minMag( float64_t, bool );
+s32int f64_to_i32_r_minMag( float64_t, bool );
+s64int f64_to_i64_r_minMag( float64_t, bool );
+float16_t f64_to_f16( float64_t );
+float32_t f64_to_f32( float64_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t f64_to_extF80( float64_t );
+float128_t f64_to_f128( float64_t );
+#endif
+void f64_to_extF80M( float64_t, extFloat80_t * );
+void f64_to_f128M( float64_t, float128_t * );
+float64_t f64_roundToInt( float64_t, u8int, bool );
+float64_t f64_add( float64_t, float64_t );
+float64_t f64_sub( float64_t, float64_t );
+float64_t f64_mul( float64_t, float64_t );
+float64_t f64_mulAdd( float64_t, float64_t, float64_t );
+float64_t f64_div( float64_t, float64_t );
+float64_t f64_rem( float64_t, float64_t );
+float64_t f64_sqrt( float64_t );
+bool f64_eq( float64_t, float64_t );
+bool f64_le( float64_t, float64_t );
+bool f64_lt( float64_t, float64_t );
+bool f64_eq_signaling( float64_t, float64_t );
+bool f64_le_quiet( float64_t, float64_t );
+bool f64_lt_quiet( float64_t, float64_t );
+bool f64_isSignalingNaN( float64_t );
+
+/*----------------------------------------------------------------------------
+| Rounding precision for 80-bit extended double-precision floating-point.
+| Valid values are 32, 64, and 80.
+*----------------------------------------------------------------------------*/
+extern THREAD_LOCAL u8int extF80_roundingPrecision;
+
+/*----------------------------------------------------------------------------
+| 80-bit extended double-precision floating-point operations.
+*----------------------------------------------------------------------------*/
+#ifdef SOFTFLOAT_FAST_INT64
+u32int extF80_to_ui32( extFloat80_t, u8int, bool );
+u64int extF80_to_ui64( extFloat80_t, u8int, bool );
+s32int extF80_to_i32( extFloat80_t, u8int, bool );
+s64int extF80_to_i64( extFloat80_t, u8int, bool );
+u32int extF80_to_ui32_r_minMag( extFloat80_t, bool );
+u64int extF80_to_ui64_r_minMag( extFloat80_t, bool );
+s32int extF80_to_i32_r_minMag( extFloat80_t, bool );
+s64int extF80_to_i64_r_minMag( extFloat80_t, bool );
+float16_t extF80_to_f16( extFloat80_t );
+float32_t extF80_to_f32( extFloat80_t );
+float64_t extF80_to_f64( extFloat80_t );
+float128_t extF80_to_f128( extFloat80_t );
+extFloat80_t extF80_roundToInt( extFloat80_t, u8int, bool );
+extFloat80_t extF80_add( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_sub( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_mul( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_div( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_rem( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_sqrt( extFloat80_t );
+bool extF80_eq( extFloat80_t, extFloat80_t );
+bool extF80_le( extFloat80_t, extFloat80_t );
+bool extF80_lt( extFloat80_t, extFloat80_t );
+bool extF80_eq_signaling( extFloat80_t, extFloat80_t );
+bool extF80_le_quiet( extFloat80_t, extFloat80_t );
+bool extF80_lt_quiet( extFloat80_t, extFloat80_t );
+bool extF80_isSignalingNaN( extFloat80_t );
+#endif
+u32int extF80M_to_ui32( const extFloat80_t *, u8int, bool );
+u64int extF80M_to_ui64( const extFloat80_t *, u8int, bool );
+s32int extF80M_to_i32( const extFloat80_t *, u8int, bool );
+s64int extF80M_to_i64( const extFloat80_t *, u8int, bool );
+u32int extF80M_to_ui32_r_minMag( const extFloat80_t *, bool );
+u64int extF80M_to_ui64_r_minMag( const extFloat80_t *, bool );
+s32int extF80M_to_i32_r_minMag( const extFloat80_t *, bool );
+s64int extF80M_to_i64_r_minMag( const extFloat80_t *, bool );
+float16_t extF80M_to_f16( const extFloat80_t * );
+float32_t extF80M_to_f32( const extFloat80_t * );
+float64_t extF80M_to_f64( const extFloat80_t * );
+void extF80M_to_f128M( const extFloat80_t *, float128_t * );
+void
+ extF80M_roundToInt(
+ const extFloat80_t *, u8int, bool, extFloat80_t * );
+void extF80M_add( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_sub( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_mul( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_div( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_rem( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_sqrt( const extFloat80_t *, extFloat80_t * );
+bool extF80M_eq( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_le( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_lt( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_eq_signaling( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_le_quiet( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_lt_quiet( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_isSignalingNaN( const extFloat80_t * );
+
+/*----------------------------------------------------------------------------
+| 128-bit (quadruple-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+#ifdef SOFTFLOAT_FAST_INT64
+u32int f128_to_ui32( float128_t, u8int, bool );
+u64int f128_to_ui64( float128_t, u8int, bool );
+s32int f128_to_i32( float128_t, u8int, bool );
+s64int f128_to_i64( float128_t, u8int, bool );
+u32int f128_to_ui32_r_minMag( float128_t, bool );
+u64int f128_to_ui64_r_minMag( float128_t, bool );
+s32int f128_to_i32_r_minMag( float128_t, bool );
+s64int f128_to_i64_r_minMag( float128_t, bool );
+float16_t f128_to_f16( float128_t );
+float32_t f128_to_f32( float128_t );
+float64_t f128_to_f64( float128_t );
+extFloat80_t f128_to_extF80( float128_t );
+float128_t f128_roundToInt( float128_t, u8int, bool );
+float128_t f128_add( float128_t, float128_t );
+float128_t f128_sub( float128_t, float128_t );
+float128_t f128_mul( float128_t, float128_t );
+float128_t f128_mulAdd( float128_t, float128_t, float128_t );
+float128_t f128_div( float128_t, float128_t );
+float128_t f128_rem( float128_t, float128_t );
+float128_t f128_sqrt( float128_t );
+bool f128_eq( float128_t, float128_t );
+bool f128_le( float128_t, float128_t );
+bool f128_lt( float128_t, float128_t );
+bool f128_eq_signaling( float128_t, float128_t );
+bool f128_le_quiet( float128_t, float128_t );
+bool f128_lt_quiet( float128_t, float128_t );
+bool f128_isSignalingNaN( float128_t );
+#endif
+u32int f128M_to_ui32( const float128_t *, u8int, bool );
+u64int f128M_to_ui64( const float128_t *, u8int, bool );
+s32int f128M_to_i32( const float128_t *, u8int, bool );
+s64int f128M_to_i64( const float128_t *, u8int, bool );
+u32int f128M_to_ui32_r_minMag( const float128_t *, bool );
+u64int f128M_to_ui64_r_minMag( const float128_t *, bool );
+s32int f128M_to_i32_r_minMag( const float128_t *, bool );
+s64int f128M_to_i64_r_minMag( const float128_t *, bool );
+float16_t f128M_to_f16( const float128_t * );
+float32_t f128M_to_f32( const float128_t * );
+float64_t f128M_to_f64( const float128_t * );
+void f128M_to_extF80M( const float128_t *, extFloat80_t * );
+void f128M_roundToInt( const float128_t *, u8int, bool, float128_t * );
+void f128M_add( const float128_t *, const float128_t *, float128_t * );
+void f128M_sub( const float128_t *, const float128_t *, float128_t * );
+void f128M_mul( const float128_t *, const float128_t *, float128_t * );
+void
+ f128M_mulAdd(
+ const float128_t *, const float128_t *, const float128_t *, float128_t *
+ );
+void f128M_div( const float128_t *, const float128_t *, float128_t * );
+void f128M_rem( const float128_t *, const float128_t *, float128_t * );
+void f128M_sqrt( const float128_t *, float128_t * );
+bool f128M_eq( const float128_t *, const float128_t * );
+bool f128M_le( const float128_t *, const float128_t * );
+bool f128M_lt( const float128_t *, const float128_t * );
+bool f128M_eq_signaling( const float128_t *, const float128_t * );
+bool f128M_le_quiet( const float128_t *, const float128_t * );
+bool f128M_lt_quiet( const float128_t *, const float128_t * );
+bool f128M_isSignalingNaN( const float128_t * );
+
+/*----------------------------------------------------------------------------
+| Default value for 'softfloat_detectTininess'.
+*----------------------------------------------------------------------------*/
+#define init_detectTininess softfloat_tininess_afterRounding
+
+/*----------------------------------------------------------------------------
+| The values to return on conversions to 32-bit integer formats that raise an
+| invalid exception.
+*----------------------------------------------------------------------------*/
+#define ui32_fromPosOverflow 0xFFFFFFFF
+#define ui32_fromNegOverflow 0xFFFFFFFF
+#define ui32_fromNaN 0xFFFFFFFF
+#define i32_fromPosOverflow (-0x7FFFFFFF - 1)
+#define i32_fromNegOverflow (-0x7FFFFFFF - 1)
+#define i32_fromNaN (-0x7FFFFFFF - 1)
+
+/*----------------------------------------------------------------------------
+| The values to return on conversions to 64-bit integer formats that raise an
+| invalid exception.
+*----------------------------------------------------------------------------*/
+#define ui64_fromPosOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF )
+#define ui64_fromNegOverflow UINT64_C( 0xFFFFFFFFFFFFFFFF )
+#define ui64_fromNaN UINT64_C( 0xFFFFFFFFFFFFFFFF )
+#define i64_fromPosOverflow (-INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1)
+#define i64_fromNegOverflow (-INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1)
+#define i64_fromNaN (-INT64_C( 0x7FFFFFFFFFFFFFFF ) - 1)
+
+/*----------------------------------------------------------------------------
+| "Common NaN" structure, used to transfer NaN representations from one format
+| to another.
+*----------------------------------------------------------------------------*/
+struct commonNaN {+ bool sign;
+#ifdef LITTLEENDIAN
+ u64int v0, v64;
+#else
+ u64int v64, v0;
+#endif
+};
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 16-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF16UI 0xFE00
+
+/*----------------------------------------------------------------------------
+| Returns true when 16-bit unsigned integer 'uiA' has the bit pattern of a
+| 16-bit floating-point signaling NaN.
+| Note: This macro evaluates its argument more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF16UI( uiA ) ((((uiA) & 0x7E00) == 0x7C00) && ((uiA) & 0x01FF))
+
+/*----------------------------------------------------------------------------
+| Assuming 'uiA' has the bit pattern of a 16-bit floating-point NaN, converts
+| this NaN to the common NaN form, and stores the resulting common NaN at the
+| location pointed to by 'zPtr'. If the NaN is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+void softfloat_f16UIToCommonNaN( u16int uiA, struct commonNaN *zPtr );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into a 16-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+u16int softfloat_commonNaNToF16UI( const struct commonNaN *aPtr );
+
+/*----------------------------------------------------------------------------
+| Interpreting 'uiA' and 'uiB' as the bit patterns of two 16-bit floating-
+| point values, at least one of which is a NaN, returns the bit pattern of
+| the combined NaN result. If either 'uiA' or 'uiB' has the pattern of a
+| signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+u16int
+ softfloat_propagateNaNF16UI( u16int uiA, u16int uiB );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 32-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF32UI 0xFFC00000
+
+/*----------------------------------------------------------------------------
+| Returns true when 32-bit unsigned integer 'uiA' has the bit pattern of a
+| 32-bit floating-point signaling NaN.
+| Note: This macro evaluates its argument more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF32UI( uiA ) ((((uiA) & 0x7FC00000) == 0x7F800000) && ((uiA) & 0x003FFFFF))
+
+/*----------------------------------------------------------------------------
+| Assuming 'uiA' has the bit pattern of a 32-bit floating-point NaN, converts
+| this NaN to the common NaN form, and stores the resulting common NaN at the
+| location pointed to by 'zPtr'. If the NaN is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+void softfloat_f32UIToCommonNaN( u32int uiA, struct commonNaN *zPtr );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into a 32-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+u32int softfloat_commonNaNToF32UI( const struct commonNaN *aPtr );
+
+/*----------------------------------------------------------------------------
+| Interpreting 'uiA' and 'uiB' as the bit patterns of two 32-bit floating-
+| point values, at least one of which is a NaN, returns the bit pattern of
+| the combined NaN result. If either 'uiA' or 'uiB' has the pattern of a
+| signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+u32int
+ softfloat_propagateNaNF32UI( u32int uiA, u32int uiB );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 64-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF64UI UINT64_C( 0xFFF8000000000000 )
+
+/*----------------------------------------------------------------------------
+| Returns true when 64-bit unsigned integer 'uiA' has the bit pattern of a
+| 64-bit floating-point signaling NaN.
+| Note: This macro evaluates its argument more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF64UI( uiA ) ((((uiA) & UINT64_C( 0x7FF8000000000000 )) == UINT64_C( 0x7FF0000000000000 )) && ((uiA) & UINT64_C( 0x0007FFFFFFFFFFFF )))
+
+/*----------------------------------------------------------------------------
+| Assuming 'uiA' has the bit pattern of a 64-bit floating-point NaN, converts
+| this NaN to the common NaN form, and stores the resulting common NaN at the
+| location pointed to by 'zPtr'. If the NaN is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+void softfloat_f64UIToCommonNaN( u64int uiA, struct commonNaN *zPtr );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into a 64-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+u64int softfloat_commonNaNToF64UI( const struct commonNaN *aPtr );
+
+/*----------------------------------------------------------------------------
+| Interpreting 'uiA' and 'uiB' as the bit patterns of two 64-bit floating-
+| point values, at least one of which is a NaN, returns the bit pattern of
+| the combined NaN result. If either 'uiA' or 'uiB' has the pattern of a
+| signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+u64int
+ softfloat_propagateNaNF64UI( u64int uiA, u64int uiB );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 80-bit extended floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNExtF80UI64 0xFFFF
+#define defaultNaNExtF80UI0 UINT64_C( 0xC000000000000000 )
+
+/*----------------------------------------------------------------------------
+| Returns true when the 80-bit unsigned integer formed from concatenating
+| 16-bit 'uiA64' and 64-bit 'uiA0' has the bit pattern of an 80-bit extended
+| floating-point signaling NaN.
+| Note: This macro evaluates its arguments more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNExtF80UI( uiA64, uiA0 ) ((((uiA64) & 0x7FFF) == 0x7FFF) && ! ((uiA0) & UINT64_C( 0x4000000000000000 )) && ((uiA0) & UINT64_C( 0x3FFFFFFFFFFFFFFF )))
+
+#ifdef SOFTFLOAT_FAST_INT64
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is
+| defined.
+*----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+| Assuming the unsigned integer formed from concatenating 'uiA64' and 'uiA0'
+| has the bit pattern of an 80-bit extended floating-point NaN, converts
+| this NaN to the common NaN form, and stores the resulting common NaN at the
+| location pointed to by 'zPtr'. If the NaN is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_extF80UIToCommonNaN(
+ u16int uiA64, u64int uiA0, struct commonNaN *zPtr );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into an 80-bit extended
+| floating-point NaN, and returns the bit pattern of this value as an unsigned
+| integer.
+*----------------------------------------------------------------------------*/
+struct uint128 softfloat_commonNaNToExtF80UI( const struct commonNaN *aPtr );
+
+/*----------------------------------------------------------------------------
+| Interpreting the unsigned integer formed from concatenating 'uiA64' and
+| 'uiA0' as an 80-bit extended floating-point value, and likewise interpreting
+| the unsigned integer formed from concatenating 'uiB64' and 'uiB0' as another
+| 80-bit extended floating-point value, and assuming at least on of these
+| floating-point values is a NaN, returns the bit pattern of the combined NaN
+| result. If either original floating-point value is a signaling NaN, the
+| invalid exception is raised.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_propagateNaNExtF80UI(
+ u16int uiA64,
+ u64int uiA0,
+ u16int uiB64,
+ u64int uiB0
+ );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 128-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF128UI64 UINT64_C( 0xFFFF800000000000 )
+#define defaultNaNF128UI0 UINT64_C( 0 )
+
+/*----------------------------------------------------------------------------
+| Returns true when the 128-bit unsigned integer formed from concatenating
+| 64-bit 'uiA64' and 64-bit 'uiA0' has the bit pattern of a 128-bit floating-
+| point signaling NaN.
+| Note: This macro evaluates its arguments more than once.
+*----------------------------------------------------------------------------*/
+#define softfloat_isSigNaNF128UI( uiA64, uiA0 ) ((((uiA64) & UINT64_C( 0x7FFF800000000000 )) == UINT64_C( 0x7FFF000000000000 )) && ((uiA0) || ((uiA64) & UINT64_C( 0x00007FFFFFFFFFFF ))))
+
+/*----------------------------------------------------------------------------
+| Assuming the unsigned integer formed from concatenating 'uiA64' and 'uiA0'
+| has the bit pattern of a 128-bit floating-point NaN, converts this NaN to
+| the common NaN form, and stores the resulting common NaN at the location
+| pointed to by 'zPtr'. If the NaN is a signaling NaN, the invalid exception
+| is raised.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_f128UIToCommonNaN(
+ u64int uiA64, u64int uiA0, struct commonNaN *zPtr );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into a 128-bit floating-point
+| NaN, and returns the bit pattern of this value as an unsigned integer.
+*----------------------------------------------------------------------------*/
+struct uint128 softfloat_commonNaNToF128UI( const struct commonNaN * );
+
+/*----------------------------------------------------------------------------
+| Interpreting the unsigned integer formed from concatenating 'uiA64' and
+| 'uiA0' as a 128-bit floating-point value, and likewise interpreting the
+| unsigned integer formed from concatenating 'uiB64' and 'uiB0' as another
+| 128-bit floating-point value, and assuming at least on of these floating-
+| point values is a NaN, returns the bit pattern of the combined NaN result.
+| If either original floating-point value is a signaling NaN, the invalid
+| exception is raised.
+*----------------------------------------------------------------------------*/
+struct uint128
+ softfloat_propagateNaNF128UI(
+ u64int uiA64,
+ u64int uiA0,
+ u64int uiB64,
+ u64int uiB0
+ );
+
+#else
+
+/*----------------------------------------------------------------------------
+| The following functions are needed only when 'SOFTFLOAT_FAST_INT64' is not
+| defined.
+*----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+| Assuming the 80-bit extended floating-point value pointed to by 'aSPtr' is
+| a NaN, converts this NaN to the common NaN form, and stores the resulting
+| common NaN at the location pointed to by 'zPtr'. If the NaN is a signaling
+| NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_extF80MToCommonNaN(
+ const struct extFloat80M *aSPtr, struct commonNaN *zPtr );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into an 80-bit extended
+| floating-point NaN, and stores this NaN at the location pointed to by
+| 'zSPtr'.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_commonNaNToExtF80M(
+ const struct commonNaN *aPtr, struct extFloat80M *zSPtr );
+
+/*----------------------------------------------------------------------------
+| Assuming at least one of the two 80-bit extended floating-point values
+| pointed to by 'aSPtr' and 'bSPtr' is a NaN, stores the combined NaN result
+| at the location pointed to by 'zSPtr'. If either original floating-point
+| value is a signaling NaN, the invalid exception is raised.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_propagateNaNExtF80M(
+ const struct extFloat80M *aSPtr,
+ const struct extFloat80M *bSPtr,
+ struct extFloat80M *zSPtr
+ );
+
+/*----------------------------------------------------------------------------
+| The bit pattern for a default generated 128-bit floating-point NaN.
+*----------------------------------------------------------------------------*/
+#define defaultNaNF128UI96 0xFFFF8000
+#define defaultNaNF128UI64 0
+#define defaultNaNF128UI32 0
+#define defaultNaNF128UI0 0
+
+/*----------------------------------------------------------------------------
+| Assuming the 128-bit floating-point value pointed to by 'aWPtr' is a NaN,
+| converts this NaN to the common NaN form, and stores the resulting common
+| NaN at the location pointed to by 'zPtr'. If the NaN is a signaling NaN,
+| the invalid exception is raised. Argument 'aWPtr' points to an array of
+| four 32-bit elements that concatenate in the platform's normal endian order
+| to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_f128MToCommonNaN( const u32int *aWPtr, struct commonNaN *zPtr );
+
+/*----------------------------------------------------------------------------
+| Converts the common NaN pointed to by 'aPtr' into a 128-bit floating-point
+| NaN, and stores this NaN at the location pointed to by 'zWPtr'. Argument
+| 'zWPtr' points to an array of four 32-bit elements that concatenate in the
+| platform's normal endian order to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_commonNaNToF128M( const struct commonNaN *aPtr, u32int *zWPtr );
+
+/*----------------------------------------------------------------------------
+| Assuming at least one of the two 128-bit floating-point values pointed to by
+| 'aWPtr' and 'bWPtr' is a NaN, stores the combined NaN result at the location
+| pointed to by 'zWPtr'. If either original floating-point value is a
+| signaling NaN, the invalid exception is raised. Each of 'aWPtr', 'bWPtr',
+| and 'zWPtr' points to an array of four 32-bit elements that concatenate in
+| the platform's normal endian order to form a 128-bit floating-point value.
+*----------------------------------------------------------------------------*/
+void
+ softfloat_propagateNaNF128M(
+ const u32int *aWPtr, const u32int *bWPtr, u32int *zWPtr );
+
+#endif
--- a/unix/u.h
+++ b/unix/u.h
@@ -17,11 +17,14 @@
typedef unsigned char uchar;
typedef long long vlong;
typedef unsigned long long uvlong;
+typedef int8_t s8int;
typedef uint8_t u8int;
typedef int16_t s16int;
typedef uint16_t u16int;
typedef int32_t s32int;
typedef uint32_t u32int;
+typedef int64_t s64int;
+typedef uint64_t u64int;
typedef intptr_t intptr;
typedef uintptr_t uintptr;
--- a/wad.c
+++ b/wad.c
@@ -1,124 +1,242 @@
#include "quakedef.h"
-static int wad_numlumps;
-static lumpinfo_t *wad_lumps;
-static byte *wad_base;
+enum {+ WAD_VER2 = 'W'<<0|'A'<<8|'D'<<16|'2'<<24,
+ WAD_VER3 = 'W'<<0|'A'<<8|'D'<<16|'3'<<24,
-void SwapPic (qpic_t *pic);
+ TYP_QPIC = 0x42,
+ TYP_MIPTEX = 0x43, /* it IS in Half-Life */
+};
-/*
-==================
-W_CleanupName
+typedef struct Lmp Lmp;
-Lowercases name and pads with spaces and a terminating 0 to the length of
-lumpinfo_t->name.
-Used so lumpname lookups can proceed rapidly by comparing 4 chars at a time
-Space padding is so names can be printed nicely in tables.
-Can safely be performed in place.
-==================
-*/
-void W_CleanupName (char *in, char *out)
-{- int i;
- int c;
+struct Lmp {+ char name[16];
+ int off;
+ int sz;
+ int type;
+};
- for (i=0 ; i<16 ; i++ )
- {- c = in[i];
- if (!c)
- break;
+struct Wad {+ byte *in;
+ int sz;
+ int ver;
+ int numlumps;
+ Lmp lumps[];
+};
- if (c >= 'A' && c <= 'Z')
- c += ('a' - 'A');- out[i] = c;
+Wad *
+W_OpenWad(char *path)
+{+ Wad *w;
+ Lmp *lmp;
+ byte *in, *p;
+ int sz, ver, off, n, i;
+
+ if((in = loadhunklmp(path, &sz)) == nil)
+ goto err;
+ if(sz < 4+4+4){+ werrstr("invalid size: %d", sz);+ goto err;
}
+ p = in;
+ ver = le32(p);
+ if(ver != WAD_VER2 && ver != WAD_VER3){+ werrstr("unsupported version: %c%c%c%c", (char)in[0], (char)in[1], (char)in[2], (char)in[3]);+ goto err;
+ }
+ n = le32(p);
+ off = le32(p);
+ if(off < 0 || n < 0 || off+n*32 > sz){+ werrstr("invalid wad: off=%d numlumps=%d sz=%d", off, n, sz);+ goto err;
+ }
+ w = Hunk_Alloc(sizeof(*w) + sizeof(*w->lumps)*n);
+ w->in = in;
+ w->sz = sz;
+ w->ver = ver;
+ w->numlumps = n;
+ p = in + off;
+ for(lmp = w->lumps; n-- > 0; lmp++){+ lmp->off = le32(p);
+ p += 4; /* disksize */
+ lmp->sz = le32(p);
+ lmp->type = *p++;
+ p += 1+2; /* compression + padding */
+ memmove(lmp->name, p, sizeof(lmp->name));
+ for(i = 0; i < nelem(lmp->name) && lmp->name[i]; i++)
+ lmp->name[i] = tolower(lmp->name[i]);
+ memset(lmp->name+i, 0, nelem(lmp->name)-i);
+ p += nelem(lmp->name);
+ }
- for ( ; i< 16 ; i++ )
- out[i] = 0;
+ return w;
+err:
+ werrstr("W_OpenWad: %s: %s", path, lerr());+ return nil;
}
+static Lmp *
+W_FindName(Wad *w, char *name)
+{+ int i;
+ Lmp *lmp;
+ char t[16];
+ for(i = 0; i < nelem(lmp->name) && name[i]; i++)
+ t[i] = tolower(name[i]);
+ memset(t+i, 0, sizeof(t)-i);
+ for(i = 0, lmp = w->lumps; i < w->numlumps; i++, lmp++){+ if(strncmp(lmp->name, t, nelem(lmp->name)) == 0)
+ return lmp;
+ }
+ werrstr("%s: not found", name);+ return nil;
+}
-/*
-====================
-W_LoadWadFile
-====================
-*/
-void W_LoadWadFile (char *filename)
+qpic_t *
+W_ReadQpic(Wad *wad, char *name, mem_user_t *c)
{- lumpinfo_t *lump_p;
- wadinfo_t *header;
- int i;
- int infotableofs;
+ int i, n, w, h, palsz, j;
+ Lmp *lmp;
+ byte *p, *pal;
+ qpic_t *q;
+ mem_user_t dummy = {0};- wad_base = loadhunklmp(filename, nil);
- if(wad_base == nil)
- fatal("W_LoadWadFile: %s", lerr());+ if(c == nil){+ memset(&dummy, 0, sizeof(dummy));
+ c = &dummy;
+ }
+ if((q = Cache_Check(c)) != nil)
+ return q;
+ if((lmp = W_FindName(wad, name)) == nil || lmp->type != TYP_QPIC)
+ return nil;
+ p = wad->in + lmp->off;
+ w = le32(p);
+ h = le32(p);
+ n = w*h;
+ if(w < 0 || h < 0){+ werrstr("invalid size: %dx%d", w, h);+ goto err;
+ }
- header = (wadinfo_t *)wad_base;
+ pal = nil;
+ palsz = 0;
+ if(wad->ver == WAD_VER2){+ if(lmp->sz < 4+4+n){+ werrstr("truncated: %d < %d", lmp->sz, 4+4+n);+ goto err;
+ }
+ }else if(wad->ver == WAD_VER3){+ pal = p + n;
+ palsz = le16(pal);
+ if(palsz < 0 || palsz > 256 || lmp->sz < 4+4+n+2+palsz*3){+ werrstr("invalid: palsz=%d, %d < %d", palsz, lmp->sz, 4+4+n+2+palsz*3);+ goto err;
+ }
+ }
- if (header->identification[0] != 'W'
- || header->identification[1] != 'A'
- || header->identification[2] != 'D'
- || header->identification[3] != '2')
- fatal ("Wad file %s doesn't have WAD2 id\n",filename);+ q = Cache_Alloc(c, sizeof(*q) + n*sizeof(pixel_t));
+ q->width = w;
+ q->height = h;
- wad_numlumps = LittleLong(header->numlumps);
- infotableofs = LittleLong(header->infotableofs);
- wad_lumps = (lumpinfo_t *)(wad_base + infotableofs);
-
- for (i=0, lump_p = wad_lumps ; i<wad_numlumps ; i++,lump_p++)
- {- lump_p->filepos = LittleLong(lump_p->filepos);
- lump_p->size = LittleLong(lump_p->size);
- W_CleanupName (lump_p->name, lump_p->name);
- if (lump_p->type == TYP_QPIC)
- SwapPic ( (qpic_t *)(wad_base + lump_p->filepos));
+ if(wad->ver == WAD_VER2){+ for(i = 0; i < n; i++)
+ q->data[i] = q1pal[*p++];
+ }else if(wad->ver == WAD_VER3 && palsz > 0){+ for(i = 0; i < n; i++){+ j = (*p++)*3;
+ q->data[i] = j < palsz*3 ? (pal[j+0]<<16 | pal[j+1]<<8 | pal[j+2]) : 0;
+ }
}
+
+ return q;
+err:
+ werrstr("%.*s: %s", nelem(lmp->name), lmp->name, lerr());+ return nil;
}
-
-/*
-=============
-W_GetLumpinfo
-=============
-*/
-lumpinfo_t *W_GetLumpinfo (char *name)
+static int
+W_ReadPixelsAt(Wad *wad, int off, int sz, pixel_t *out, int num)
{- int i;
- lumpinfo_t *lump_p;
- char clean[16];
+ int n, palsz, x;
+ byte *t, *pal;
- W_CleanupName (name, clean);
-
- for (lump_p=wad_lumps, i=0 ; i<wad_numlumps ; i++,lump_p++)
- {- if (!strcmp(clean, lump_p->name))
- return lump_p;
+ num = min(num, sz);
+ num = min(num, wad->sz-off);
+ t = wad->in + off;
+ if(wad->ver == WAD_VER2){+ for(n = 0; n < num; n++)
+ *out++ = q1pal[*t++];
+ }else if(wad->ver == WAD_VER3){+ if(off+num+2 >= wad->sz){+ werrstr("invalid lump: %d > %d", off+num+2, wad->sz);+ return -1;
+ }
+ pal = t + num;
+ palsz = le16(pal);
+ if(palsz < 0 || palsz > 256 || off+num+2+palsz*3 > wad->sz){+ werrstr("invalid palette: palsz=%d pal_end=%d wad_sz=%d",+ palsz, off+num+2+palsz*3, wad->sz);
+ goto err;
+ }
+ for(n = 0; n < num; n++){+ x = (*t++)*3;
+ *out++ = x < palsz*3 ? (pal[x+0]<<16 | pal[x+1]<<8 | pal[x+2]) : 0;
+ }
}
-
- fatal ("W_GetLumpinfo: %s not found", name);+ return num;
+err:
+ return -1;
}
-void *W_GetLumpName (char *name)
+int
+W_ReadMipTex(Wad *wad, char *name, texture_t *t)
{- lumpinfo_t *lump;
+ Lmp *lmp;
+ byte *p;
+ int i, w, h, n, off;
- lump = W_GetLumpinfo (name);
-
- return (void *)(wad_base + lump->filepos);
+ if((lmp = W_FindName(wad, name)) == nil || lmp->type != TYP_MIPTEX)
+ return -1;
+ p = wad->in + lmp->off + 16;
+ w = le32(p);
+ h = le32(p);
+ if(w != t->width || h != t->height){+ werrstr("%s: size mismatch: (%d->%d)x(%d->%d)\n", name, w, t->width, h, t->height);+ return -1;
+ }
+ n = w*h*85/64;
+ for(i = 0; i < nelem(t->offsets); i++)
+ t->offsets[i] = sizeof(texture_t) + (le32(p) - (16+2*4+4*4))*sizeof(pixel_t);
+ off = p - wad->in;
+ if((n = W_ReadPixelsAt(wad, off, lmp->off+lmp->sz-off, (pixel_t*)(t+1), n)) < 0)
+ werrstr("%s: %s", name, lerr());+ return n;
}
-/*
-=============================================================================
+int
+W_ReadPixels(Wad *wad, char *name, pixel_t *out, int num)
+{+ Lmp *lmp;
+ int n;
-automatic byte swapping
+ if((lmp = W_FindName(wad, name)) == nil)
+ return -1;
+ if((n = W_ReadPixelsAt(wad, lmp->off, lmp->sz, out, num)) < 0)
+ werrstr("%s: %s", name, lerr());+ return n;
+}
-=============================================================================
-*/
-
-void SwapPic (qpic_t *pic)
+int
+W_ReadRaw(Wad *wad, char *name, byte *out, int num)
{- pic->width = LittleLong(pic->width);
- pic->height = LittleLong(pic->height);
+ Lmp *lmp;
+
+ if((lmp = W_FindName(wad, name)) == nil)
+ return -1;
+ num = min(num, lmp->sz);
+ num = min(num, wad->sz-lmp->off);
+ memmove(out, wad->in+lmp->off, num);
+ return num;
}
--- a/wad.h
+++ b/wad.h
@@ -1,47 +1,17 @@
-//===============
-// TYPES
-//===============
+typedef struct Wad Wad;
+#pragma incomplete Wad
-#define CMP_NONE 0
-#define CMP_LZSS 1
-
-#define TYP_NONE 0
-#define TYP_LABEL 1
-
-#define TYP_LUMPY 64 // 64 + grab command number
-#define TYP_PALETTE 64
-#define TYP_QTEX 65
-#define TYP_QPIC 66
-#define TYP_SOUND 67
-#define TYP_MIPTEX 68
-
typedef struct
{- int width, height;
- pixel_t data[]; // variably sized
-} qpic_t;
+ int width;
+ int height;
+ pixel_t data[];
+}qpic_t;
-typedef struct
-{- char identification[4]; // should be WAD2 or 2DAW
- int numlumps;
- int infotableofs;
-} wadinfo_t;
+struct texture_s;
-typedef struct
-{- int filepos;
- int disksize;
- int size; // uncompressed
- char type;
- char compression;
- char pad1, pad2;
- char name[16]; // must be null terminated
-} lumpinfo_t;
-
-void W_LoadWadFile (char *filename);
-void W_CleanupName (char *in, char *out);
-lumpinfo_t *W_GetLumpinfo (char *name);
-void *W_GetLumpName (char *name);
-
-void SwapPic (qpic_t *pic);
+Wad *W_OpenWad(char *path);
+qpic_t *W_ReadQpic(Wad *w, char *name, mem_user_t *c);
+int W_ReadMipTex(Wad *wad, char *name, struct texture_s *t);
+int W_ReadPixels(Wad *w, char *name, pixel_t *out, int num);
+int W_ReadRaw(Wad *w, char *name, byte *out, int num);
--- a/zone.c
+++ b/zone.c
@@ -78,6 +78,7 @@
{mem_t *m, *n;
+ assert(p != nil);
m = p;
m--;
n = realloc(m, sizeof(*m) + m->size*2);