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re PR libstdc++/58625 (std::signbit always converts to double)

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2013-10-06  Oleg Endo  <olegendo@gcc.gnu.org>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/58625
	* include/c_global/cmath (signbit): Use __builtin_signbitf and
	__builtin_signbitl.

Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>

From-SVN: r203228
This commit is contained in:
Oleg Endo 2013-10-06 13:44:47 +00:00 • committed by Paolo Carlini
parent ac6d694723
commit c3ddbdce59
2 changed files with 10 additions and 2 deletions
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7
libstdc++-v3/ChangeLog
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@ -1,3 +1,10 @@
2013-10-06 Oleg Endo <olegendo@gcc.gnu.org>
Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/58625
* include/c_global/cmath (signbit): Use __builtin_signbitf and
__builtin_signbitl.
2013-10-03 Tim Shen <timshen91@gmail.com>
* include/bits/regex_executor.tcc (_DFSExecutor<>::_M_dfs): Fix wrong

5
libstdc++-v3/include/c_global/cmath
View file

@ -650,9 +650,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
isnormal(_Tp __x)
{ return __x != 0 ? true : false; }
// The front-end doesn't provide a type generic builtin (libstdc++/58625).
constexpr bool
signbit(float __x)
{ return __builtin_signbit(__x); }
{ return __builtin_signbitf(__x); }
constexpr bool
signbit(double __x)
@ -660,7 +661,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr bool
signbit(long double __x)
{ return __builtin_signbit(__x); }
{ return __builtin_signbitl(__x); }
template<typename _Tp>
constexpr typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,