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 | |
| 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')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/mathcalls.h | 7 | ||||
| -rw-r--r-- | libc/sysdeps/linux/powerpc/bits/mathdef.h | 10 | ||||
| -rw-r--r-- | libc/sysdeps/linux/powerpc/bits/wordsize.h | 11 |
3 files changed, 8 insertions, 20 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 diff --git a/libc/sysdeps/linux/powerpc/bits/mathdef.h b/libc/sysdeps/linux/powerpc/bits/mathdef.h index 2c0cad116..97a05b6b2 100644 --- a/libc/sysdeps/linux/powerpc/bits/mathdef.h +++ b/libc/sysdeps/linux/powerpc/bits/mathdef.h @@ -44,10 +44,6 @@ typedef double double_t; /* `double' expressions are evaluated as #endif /* ISO C99 */ -#ifndef __NO_LONG_DOUBLE_MATH -/* Signal that we do not really have a `long double'. The disables the - declaration of all the `long double' function variants. */ -# if !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__ -# define __NO_LONG_DOUBLE_MATH 1 -# endif -#endif /* __NO_LONG_DOUBLE_MATH */ +#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__ +# define __NO_LONG_DOUBLE_MATH 1 +#endif diff --git a/libc/sysdeps/linux/powerpc/bits/wordsize.h b/libc/sysdeps/linux/powerpc/bits/wordsize.h index 0c0d31b98..da587a2f1 100644 --- a/libc/sysdeps/linux/powerpc/bits/wordsize.h +++ b/libc/sysdeps/linux/powerpc/bits/wordsize.h @@ -1,14 +1,3 @@ /* Determine the wordsize from the preprocessor defines. */ #define __WORDSIZE 32 - -#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL - -/* Signal the glibc ABI didn't used to have a `long double'. - The changes all the `long double' function variants to be redirects - to the double functions. */ -# define __LONG_DOUBLE_MATH_OPTIONAL 1 -# ifndef __LONG_DOUBLE_128__ -# define __NO_LONG_DOUBLE_MATH 1 -# endif -#endif |