mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-22 14:49:45 +08:00
61c7194612
2001-06-10 Benjamin Kosnik <bkoz@redhat.com> * acinclude.m4 (GLIBCPP_ENABLE_C99): Add stdio.h checking. Add checking for strtof, _Exit in stdlib.h * aclocal.m4: Regenerate. * configure.in: Regenerate. * include/c_std/bits/std_cstdio.h: Alphabetize lists. (snprintf): Put C99 functions into __gnu_cxx namespace. (vfscanf): Same. (vscanf): Same. (vsnprintf): Same. (vsscanf): Same. * include/c_std/bits/std_cstdlib.h: Alphabetize lists. Put undefs for C99 functions within _GLIBCPP_USE_C99 guard. (_Exit): Same. (strtof): Same. (strtold): Same. * include/bits/locale_facets.tcc: Check if C99 is enabled. * include/c_std/bits/std_cwchar.h (__gnu_cxx): Put undefs within C99 guard. * include/c_std/bits/cmath.tcc: Formatting tweak. * include/c_std/bits/std_cmath.h: Same. From-SVN: r43161
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
// -*- C++ -*- C math library.
|
|
|
|
// Copyright (C) 2000 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>
|
|
|
|
#ifndef _CPP_BITS_CMATH_TCC
|
|
#define _CPP_BITS_CMATH_TCC 1
|
|
|
|
namespace std
|
|
{
|
|
export 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
|