gcc/libstdc++-v3/include/c_std/cmath.tcc

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// -*- C++ -*- C math library.
// Copyright (C) 2000, 2003 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// 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>
cmath.tcc: Use _GLIBCXX_ prefix on file guard. * include/c_std/cmath.tcc: Use _GLIBCXX_ prefix on file guard. * include/c_std/std_cctype.h: Ditto. * include/c_std/std_cerrno.h: Ditto. * include/c_std/std_cfloat.h: Ditto. * include/c_std/std_climits.h: Ditto. * include/c_std/std_clocale.h: Ditto. * include/c_std/std_cmath.h: Ditto. * include/c_std/std_csetjmp.h: Ditto. * include/c_std/std_csignal.h: Ditto. * include/c_std/std_cstdarg.h: Ditto. * include/c_std/std_cstddef.h: Ditto. * include/c_std/std_cstdio.h: Ditto. * include/c_std/std_cstdlib.h: Ditto. * include/c_std/std_cstring.h: Ditto. * include/c_std/std_ctime.h: Ditto. * include/c_std/std_cwchar.h: Ditto. * include/c_std/std_cwctype.h: Ditto. * include/std/std_algorithm.h: Ditto. * include/std/std_bitset.h: Ditto. * include/std/std_complex.h: Ditto. * include/std/std_deque.h: Ditto. * include/std/std_fstream.h: Ditto. * include/std/std_functional.h: Ditto. * include/std/std_iomanip.h: Ditto. * include/std/std_ios.h: Ditto. * include/std/std_iosfwd.h: Ditto. * include/std/std_iostream.h: Ditto. * include/std/std_istream.h: Ditto. * include/std/std_iterator.h: Ditto. * include/std/std_limits.h: Ditto. * include/std/std_list.h: Ditto. * include/std/std_locale.h: Ditto. * include/std/std_map.h: Ditto. * include/std/std_memory.h: Ditto. * include/std/std_numeric.h: Ditto. * include/std/std_ostream.h: Ditto. * include/std/std_queue.h: Ditto. * include/std/std_set.h: Ditto. * include/std/std_sstream.h: Ditto. * include/std/std_stack.h: Ditto. * include/std/std_stdexcept.h: Ditto. * include/std/std_streambuf.h: Ditto. * include/std/std_string.h: Ditto. * include/std/std_utility.h: Ditto. * include/std/std_valarray.h: Ditto. * include/std/std_vector.h: Ditto. From-SVN: r69705
2003-07-23 23:28:44 +08:00
#ifndef _GLIBCXX_CMATH_TCC
#define _GLIBCXX_CMATH_TCC 1
namespace std
{
template<typename _Tp>
_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;
}
}
#endif