提交 d09a83f6 编写于 作者: N nsz

fmal bug fix: nan input should not raise exception

上级 b1cbd707
......@@ -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);
......
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