2004-01-06 23:35:06 +00:00

13 lines
203 B
C

#include "safemult.h"
int imult64(int64 a,int64 b,int64* c) {
int neg=(a<0);
uint64 d;
if (neg) a=-a;
if (b<0) { neg^=1; b=-b; }
if (umult64(a,b,&d)) return 0;
*c=(neg?-d:d);
return 1;
}