Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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#include <assert.h>
#include "safemult.h"
int main() {
int16 a;
int32 b;
int64 c;
uint16 d;
uint32 e;
uint64 f;
assert(imult16(4,10000,&a)==0);
assert(imult16(-4,10000,&a)==0);
assert(imult16(5,10,&a)==1 && a==50);
assert(imult16(-3,10000,&a)==1 && a==-30000);
assert(imult32(0x40000000,2,&b)==0);
assert(imult32(-0x40000000,2,&b)==1 && b==-0x80000000);
assert(imult32(0x3fffffff,2,&b)==1 && b==0x7ffffffe);
assert(imult64(0x4000000000000000ll,2,&c)==0);
assert(imult64(-0x4000000000000000ll,2,&c)==1 && c==-0x8000000000000000ll);
assert(imult64(0x3fffffffffffffffll,2,&c)==1 && c==0x7ffffffffffffffell);
return 0;
}