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fix overflow check bug

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chendotjs
2017-03-16 20:50:10 +08:00
parent 625ba1f1f0
commit 8cc2313ea4
1 changed files with 1 additions and 1 deletions
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tinyexpr.c
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@@ -127,7 +127,7 @@ static double fac(double a) {/* simplest version of fac */
unsigned int ua = (unsigned int)(a); unsigned int ua = (unsigned int)(a);
unsigned long int result = 1, i = 1; unsigned long int result = 1, i = 1;
for (i = 1; i <= ua; i++) { for (i = 1; i <= ua; i++) {
if (ua > ULONG_MAX / result) if (i > ULONG_MAX / result)
return INFINITY; return INFINITY;
result *= i; result *= i;
} }