diff options
| author | Sergey Cherkashin <4erkashin@list.ru> | 2017-10-03 15:26:34 +0300 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2017-11-03 20:23:10 +0100 |
| commit | ea38f4d89c9698895b1cf53a5946429dc1d8bbaa (patch) | |
| tree | e05828ca1fedf55f104b837bc9c44215c2978e99 /libc/sysdeps/linux/common/bits | |
| parent | 68de9946e914d8c30dcc6667a059ea59e5b74cac (diff) | |
math: add exception handling functionality
According to standards SVID and SYSV.
Modified lgamma calling in case when 'signgam' variable should not be used.
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Diffstat (limited to 'libc/sysdeps/linux/common/bits')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/mathcalls.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libc/sysdeps/linux/common/bits/mathcalls.h b/libc/sysdeps/linux/common/bits/mathcalls.h index 8ab807578..a9e8a2931 100644 --- a/libc/sysdeps/linux/common/bits/mathcalls.h +++ b/libc/sysdeps/linux/common/bits/mathcalls.h @@ -300,14 +300,17 @@ __END_NAMESPACE_C99 __MATHCALLI (gamma,, (_Mdouble_)) #endif -#ifdef __USE_MISC +//#ifdef __USE_MISC +/* To provide compatibility with finite-math-only in C99 and C11 + * standerts function lgamma_r should be declared, when defined __USE_MISC. + */ /* Reentrant version of lgamma. This function uses the global variable `signgam'. The reentrant version instead takes a pointer and stores the value through it. */ __MATHCALL (lgamma,_r, (_Mdouble_, int *__signgamp)) /* __MATHCALLI does not work here, probably due to ,_r, */ libm_hidden_proto(lgamma_r) -#endif +//#endif #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 |