shithub: asif

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add pairing heap test script from execution logs in path

--- /dev/null

+++ b/test/pheap.awk

@@ -1,0 +1,60 @@

+#!/bin/awk -f

+# "(open|pop|decreasekey|remain|occ)" memaddr "["x y"]" "g" g

+BEGIN{

+	print \

+"#include <u.h>\n" \

+"#include <libc.h>\n" \

+"#include \"asif.h\"\n" \

+"debuglevel = Logtrace;\n\n" \

+"void main(void) {\n" \

+"Pairheap *queue, *a;\n" \

+"int i;\n" \

+"queue = nil;\n"

+}

+$1 == "open" {

+	v = $3 " " $4

+	if(!(v in g))

+		g[v] = $6

+	if(!(v in n))

+		n[v] = ni++

+	print \

+"Pairheap *a" n[v] " = pushqueue(" $6 ", estrdup(\"" v "\"), &queue);"

+}

+$1 == "pop" {

+	v = $3 " " $4

+	if(g[v] != $6)

+		print "warning: cost g mismatch: " g[v] " vs " $0 >"/fd/2"

+	if(n[v] == "")

+		print "warning: empty name: " $0 >"/fd/2"

+	print \

+"a = popqueue(&queue);\n" \

+	"\ti = strcmp((char*)a->aux, \"" v "\");\n" \

+	"\tassert(i == 0);\n" \

+	"\tassert(a->n == " $6 ");"

+}

+$1 == "decreasekey" {

+	v = $3 " " $4

+	d = g[v] - $6

+	if(g[v] == 0)

+		print "warning: undefined node \"" v "\" is decreased!" >"/fd/2"

+	g[v] = $6

+	print \

+"decreasekey(a" n[v] ", " d ", &queue);"

+}

+$1 == "remain" {

+	v = $3 " " $4

+	print \

+"a = popqueue(&queue);\n" \

+	"\ti = strcmp((char*)a->aux, \"" v "\");\n" \

+	"\tassert(i == 0);"

+}

+$1 == "occ" {

+	print \

+"// " $0

+}

+END {

+	print \

+"a = popqueue(&queue);\n" \

+"assert(a == nil);\n" \

+"}"

+}