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fmal bug fix: nan input should not raise exception

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nsz 2012-03-19 00:59:16 +01:00
commit d09a83f613
1 changed files with 4 additions and 4 deletions
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8
src/math/fmal.c
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@ -173,14 +173,14 @@ long double fmal(long double x, long double y, long double z)
* return values here are crucial in handling special cases involving
* infinities, NaNs, overflows, and signed zeroes correctly.
*/
if (x == 0.0 || y == 0.0)
return (x * y + z);
if (z == 0.0)
return (x * y);
if (!isfinite(x) || !isfinite(y))
return (x * y + z);
if (!isfinite(z))
return (z);
if (x == 0.0 || y == 0.0)
return (x * y + z);
if (z == 0.0)
return (x * y);
xs = frexpl(x, &ex);
ys = frexpl(y, &ey);