0d4124d448
2006-02-21 Benjamin Kosnik <bkoz@redhat.com> * include/c_std/cmath.tcc: Use _GLIBCXX_BEGIN_NAMESPACE, _GLIBCXX_END_NAMESPACE. From-SVN: r111357
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
// -*- C++ -*- C math library.
|
|
|
|
// Copyright (C) 2000, 2003, 2004, 2006 Free Software Foundation, Inc.
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 2, or (at your option)
|
|
// any later version.
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this library; see the file COPYING. If not, write to the Free
|
|
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
// USA.
|
|
|
|
// As a special exception, you may use this file as part of a free software
|
|
// library without restriction. Specifically, if other files instantiate
|
|
// templates or use macros or inline functions from this file, or you compile
|
|
// this file and link it with other files to produce an executable, this
|
|
// file does not by itself cause the resulting executable to be covered by
|
|
// the GNU General Public License. This exception does not however
|
|
// invalidate any other reasons why the executable file might be covered by
|
|
// the GNU General Public License.
|
|
|
|
// This file was written by Gabriel Dos Reis <gdr@codesourcery.com>
|
|
|
|
#ifndef _GLIBCXX_CMATH_TCC
|
|
#define _GLIBCXX_CMATH_TCC 1
|
|
|
|
_GLIBCXX_BEGIN_NAMESPACE(std)
|
|
|
|
template<typename _Tp>
|
|
inline _Tp
|
|
__cmath_power(_Tp __x, unsigned int __n)
|
|
{
|
|
_Tp __y = __n % 2 ? __x : 1;
|
|
|
|
while (__n >>= 1)
|
|
{
|
|
__x = __x * __x;
|
|
if (__n % 2)
|
|
__y = __y * __x;
|
|
}
|
|
|
|
return __y;
|
|
}
|
|
|
|
_GLIBCXX_END_NAMESPACE
|
|
|
|
#endif
|