19 lines
301 B
C
19 lines
301 B
C
#if defined(__GNUC__) && (__GNUC__ >= 5)
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#include "uint16.h"
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int imult16( int16 a, int16 b, int16* 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 imult16(int16 a,int16 b,int16* c) {
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int32 x=(int32)a*b;
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if ((int16)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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