lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
Code Activity

Fix exp10 errno setting on underflow (bug 6787).

Browse Source
This commit is contained in:
Joseph Myers
2013-11-29 16:32:49 +00:00
parent ea3bc4e821
commit 2a77a467b2
6 changed files with 26 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
math/w_exp10f.c
View File

@ -28,7 +28,7 @@ float
__exp10f (float x)
{
float z = __ieee754_exp10f (x);
if (__builtin_expect (!__finitef (z), 0)
if (__builtin_expect (!__finitef (z) || z == 0, 0)
&& __finitef (x) && _LIB_VERSION != _IEEE_)
/* exp10f overflow (146) if x > 0, underflow (147) if x < 0. */
return __kernel_standard_f (x, x, 146 + !!__signbitf (x));