19 lines
301 B
C
19 lines
301 B
C
#if defined(__GNUC__) && (__GNUC__ >= 5)
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#include "uint32.h"
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int imult32( int32 a, int32 b, int32* c) { return !__builtin_mul_overflow(a,b,c); }
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#else
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#include "safemult.h"
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int imult32(int32 a,int32 b,int32* c) {
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int64 x=(int64)a*b;
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if ((int32)x != x) return 0;
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*c=x;
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return 1;
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}
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#endif
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