197403Sobrien// -*- C++ -*- C math library. 297403Sobrien 3169691Skan// Copyright (C) 2000, 2003, 2004, 2006 Free Software Foundation, Inc. 497403Sobrien// 597403Sobrien// This file is part of the GNU ISO C++ Library. This library is free 697403Sobrien// software; you can redistribute it and/or modify it under the 797403Sobrien// terms of the GNU General Public License as published by the 897403Sobrien// Free Software Foundation; either version 2, or (at your option) 997403Sobrien// any later version. 1097403Sobrien 1197403Sobrien// This library is distributed in the hope that it will be useful, 1297403Sobrien// but WITHOUT ANY WARRANTY; without even the implied warranty of 1397403Sobrien// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1497403Sobrien// GNU General Public License for more details. 1597403Sobrien 1697403Sobrien// You should have received a copy of the GNU General Public License along 1797403Sobrien// with this library; see the file COPYING. If not, write to the Free 18169691Skan// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 1997403Sobrien// USA. 2097403Sobrien 2197403Sobrien// As a special exception, you may use this file as part of a free software 2297403Sobrien// library without restriction. Specifically, if other files instantiate 2397403Sobrien// templates or use macros or inline functions from this file, or you compile 2497403Sobrien// this file and link it with other files to produce an executable, this 2597403Sobrien// file does not by itself cause the resulting executable to be covered by 2697403Sobrien// the GNU General Public License. This exception does not however 2797403Sobrien// invalidate any other reasons why the executable file might be covered by 2897403Sobrien// the GNU General Public License. 2997403Sobrien 3097403Sobrien// This file was written by Gabriel Dos Reis <gdr@codesourcery.com> 3197403Sobrien 32169691Skan/** @file cmath.tcc 33169691Skan * This is a Standard C++ Library file. 34169691Skan */ 35169691Skan 36132720Skan#ifndef _GLIBCXX_CMATH_TCC 37132720Skan#define _GLIBCXX_CMATH_TCC 1 3897403Sobrien 39169691Skan_GLIBCXX_BEGIN_NAMESPACE(std) 40169691Skan 41132720Skan template<typename _Tp> 42132720Skan inline _Tp 4397403Sobrien __cmath_power(_Tp __x, unsigned int __n) 4497403Sobrien { 4597403Sobrien _Tp __y = __n % 2 ? __x : 1; 4697403Sobrien 4797403Sobrien while (__n >>= 1) 4897403Sobrien { 4997403Sobrien __x = __x * __x; 5097403Sobrien if (__n % 2) 5197403Sobrien __y = __y * __x; 5297403Sobrien } 5397403Sobrien 5497403Sobrien return __y; 5597403Sobrien } 5697403Sobrien 57169691Skan_GLIBCXX_END_NAMESPACE 58169691Skan 5997403Sobrien#endif 60