1*38fd1498Szrj// TR2 <ratio> -*- C++ -*- 2*38fd1498Szrj 3*38fd1498Szrj// Copyright (C) 2010-2018 Free Software Foundation, Inc. 4*38fd1498Szrj// 5*38fd1498Szrj// This file is part of the GNU ISO C++ Library. This library is free 6*38fd1498Szrj// software; you can redistribute it and/or modify it under the 7*38fd1498Szrj// terms of the GNU General Public License as published by the 8*38fd1498Szrj// Free Software Foundation; either version 3, or (at your option) 9*38fd1498Szrj// any later version. 10*38fd1498Szrj 11*38fd1498Szrj// This library is distributed in the hope that it will be useful, 12*38fd1498Szrj// but WITHOUT ANY WARRANTY; without even the implied warranty of 13*38fd1498Szrj// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*38fd1498Szrj// GNU General Public License for more details. 15*38fd1498Szrj 16*38fd1498Szrj// Under Section 7 of GPL version 3, you are granted additional 17*38fd1498Szrj// permissions described in the GCC Runtime Library Exception, version 18*38fd1498Szrj// 3.1, as published by the Free Software Foundation. 19*38fd1498Szrj 20*38fd1498Szrj// You should have received a copy of the GNU General Public License and 21*38fd1498Szrj// a copy of the GCC Runtime Library Exception along with this program; 22*38fd1498Szrj// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*38fd1498Szrj// <http://www.gnu.org/licenses/>. 24*38fd1498Szrj 25*38fd1498Szrj/** @file tr2/ratio 26*38fd1498Szrj * This is a TR2 C++ Library header. 27*38fd1498Szrj */ 28*38fd1498Szrj 29*38fd1498Szrj#include <ratio> 30*38fd1498Szrj 31*38fd1498Szrjnamespace std _GLIBCXX_VISIBILITY(default) 32*38fd1498Szrj{ 33*38fd1498Szrj_GLIBCXX_BEGIN_NAMESPACE_VERSION 34*38fd1498Szrj 35*38fd1498Szrjnamespace tr2 36*38fd1498Szrj{ 37*38fd1498Szrj template<intmax_t _Pn, size_t _Bit, 38*38fd1498Szrj bool = _Bit < static_cast<size_t> 39*38fd1498Szrj (std::numeric_limits<intmax_t>::digits)> 40*38fd1498Szrj struct __safe_lshift 41*38fd1498Szrj { static const intmax_t __value = 0; }; 42*38fd1498Szrj 43*38fd1498Szrj template<intmax_t _Pn, size_t _Bit> 44*38fd1498Szrj struct __safe_lshift<_Pn, _Bit, true> 45*38fd1498Szrj { static const intmax_t __value = _Pn << _Bit; }; 46*38fd1498Szrj 47*38fd1498Szrj /// Add binary prefixes (IEC 60027-2 A.2 and ISO/IEC 80000). 48*38fd1498Szrj typedef ratio<__safe_lshift<1, 10>::__value, 1> kibi; 49*38fd1498Szrj typedef ratio<__safe_lshift<1, 20>::__value, 1> mebi; 50*38fd1498Szrj typedef ratio<__safe_lshift<1, 30>::__value, 1> gibi; 51*38fd1498Szrj typedef ratio<__safe_lshift<1, 40>::__value, 1> tebi; 52*38fd1498Szrj typedef ratio<__safe_lshift<1, 50>::__value, 1> pebi; 53*38fd1498Szrj typedef ratio<__safe_lshift<1, 60>::__value, 1> exbi; 54*38fd1498Szrj //typedef ratio<__safe_lshift<1, 70>::__value, 1> zebi; 55*38fd1498Szrj //typedef ratio<__safe_lshift<1, 80>::__value, 1> yobi; 56*38fd1498Szrj} 57*38fd1498Szrj 58*38fd1498Szrj_GLIBCXX_END_NAMESPACE_VERSION 59*38fd1498Szrj} 60