ref: 49ff67154a0150cade077dcd040d68bc6a200b17
dir: /h/trand.h/
typedef struct { SPFLOAT min, max, val; } sp_trand; int sp_trand_create(sp_trand **p); int sp_trand_destroy(sp_trand **p); int sp_trand_init(sp_data *sp, sp_trand *p); int sp_trand_compute(sp_data *sp, sp_trand *p, SPFLOAT *in, SPFLOAT *out);