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cmath (fpclassify): Use __builtin_fpclassify.

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2008-05-23  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/c_std/cmath (fpclassify): Use __builtin_fpclassify.
	* include/c_global/cmath (fpclassify): Likewise.

From-SVN: r135795
This commit is contained in:
Paolo Carlini 2008-05-23 10:03:31 +00:00 committed by Paolo Carlini
parent 922e3e33b2
commit ebd15f8066
3 changed files with 11 additions and 20 deletions
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5
libstdc++-v3/ChangeLog
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@ -1,3 +1,8 @@
2008-05-23 Paolo Carlini <paolo.carlini@oracle.com>
* include/c_std/cmath (fpclassify): Use __builtin_fpclassify.
* include/c_global/cmath (fpclassify): Likewise.
2008-05-22 Paolo Carlini <paolo.carlini@oracle.com>
* include/tr1_impl/hashtable_policy.h (_Map_base<,,

13
libstdc++-v3/include/c_global/cmath
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@ -1,7 +1,7 @@
// -*- C++ -*- C forwarding header.
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
// 2006, 2007
// 2006, 2007, 2008
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
@ -480,14 +480,6 @@ _GLIBCXX_END_NAMESPACE
// conformance, remove possible C99-injected names from the global
// namespace, and sequester them in the __gnu_cxx extension namespace.
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
template<typename _Tp>
inline int
__capture_fpclassify(_Tp __f) { return fpclassify(__f); }
_GLIBCXX_END_NAMESPACE
// Only undefine the C99 FP macros, if actually captured for namespace movement
#undef fpclassify
#undef isfinite
@ -510,7 +502,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
fpclassify(_Tp __f)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return ::__gnu_cxx::__capture_fpclassify(__type(__f));
return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL,
FP_SUBNORMAL, FP_ZERO, __type(__f));
}
template<typename _Tp>

13
libstdc++-v3/include/c_std/cmath
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@ -1,7 +1,7 @@
// -*- C++ -*- C forwarding header.
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
// 2006, 2007
// 2006, 2007, 2008
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
@ -462,14 +462,6 @@ _GLIBCXX_END_NAMESPACE
// conformance, remove possible C99-injected names from the global
// namespace, and sequester them in the __gnu_cxx extension namespace.
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
template<typename _Tp>
inline int
__capture_fpclassify(_Tp __f) { return fpclassify(__f); }
_GLIBCXX_END_NAMESPACE
// Only undefine the C99 FP macros, if actually captured for namespace movement
#undef fpclassify
#undef isfinite
@ -492,7 +484,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
fpclassify(_Tp __f)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return ::__gnu_cxx::__capture_fpclassify(__type(__f));
return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL,
FP_SUBNORMAL, FP_ZERO, __type(__f));
}
template<typename _Tp>