ratio: New, per N2661.
2008-07-04 Chris Fairles <chris.fairles@gmail.com> * include/std/ratio: New, per N2661. * include/Makefile.am: Update. * include/Makefile.in: Regenerate. * testsuite/20_util/ratio/cons/cons1.cc: New. * testsuite/20_util/ratio/cons/cons_overflow.cc: Likewise. * testsuite/20_util/ratio/operations/ops1.cc: Likewise. * testsuite/20_util/ratio/operations/ops2.cc: Likewise. * testsuite/20_util/ratio/operations/ops3.cc: Likewise. * testsuite/20_util/ratio/operations/ops_overflow.cc: Likewise. * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise. From-SVN: r137482
This commit is contained in:
Chris Fairles
Paolo Carlini
parent
47cfcc3ae8
commit
4acedca122
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@ -1,3 +1,16 @@
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2008-07-04 Chris Fairles <chris.fairles@gmail.com>
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* include/std/ratio: New, per N2661.
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* include/Makefile.am: Update.
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* include/Makefile.in: Regenerate.
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* testsuite/20_util/ratio/cons/cons1.cc: New.
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* testsuite/20_util/ratio/cons/cons_overflow.cc: Likewise.
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* testsuite/20_util/ratio/operations/ops1.cc: Likewise.
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* testsuite/20_util/ratio/operations/ops2.cc: Likewise.
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* testsuite/20_util/ratio/operations/ops3.cc: Likewise.
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* testsuite/20_util/ratio/operations/ops_overflow.cc: Likewise.
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* testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
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2008-07-04 Paolo Carlini <paolo.carlini@oracle.com>
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PR libstdc++/36616
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@ -55,6 +55,7 @@ std_headers = \
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${std_srcdir}/queue \
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${std_srcdir}/random \
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${std_srcdir}/regex \
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${std_srcdir}/ratio \
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${std_srcdir}/set \
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${std_srcdir}/sstream \
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${std_srcdir}/stack \
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@ -307,6 +307,7 @@ std_headers = \
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${std_srcdir}/ostream \
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${std_srcdir}/queue \
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${std_srcdir}/random \
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${std_srcdir}/ratio \
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${std_srcdir}/regex \
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${std_srcdir}/set \
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${std_srcdir}/sstream \
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@ -0,0 +1,257 @@
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// <ratio> -*- C++ -*-
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// Copyright (C) 2008 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this library; see the file COPYING. If not, write to
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// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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// Boston, MA 02110-1301, USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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/** @file ratio
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* This is a Standard C++ Library header.
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*/
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#ifndef _GLIBCXX_RATIO
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#define _GLIBCXX_RATIO 1
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#pragma GCC system_header
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#ifndef __GXX_EXPERIMENTAL_CXX0X__
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# include <c++0x_warning.h>
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#else
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#include <type_traits>
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#include <cstdint>
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#ifdef _GLIBCXX_USE_C99_STDINT_TR1
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namespace std
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{
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template<intmax_t _Pn>
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struct __static_sign
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: integral_constant<intmax_t, (_Pn < 0) ? -1 : 1>
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{ };
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template<intmax_t _Pn>
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struct __static_abs
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: integral_constant<intmax_t, _Pn * __static_sign<_Pn>::value>
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{ };
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template<intmax_t _Pn, intmax_t _Qn>
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struct __static_gcd;
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template<intmax_t _Pn, intmax_t _Qn>
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struct __static_gcd
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: __static_gcd<_Qn, (_Pn % _Qn)>
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{ };
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template<intmax_t _Pn>
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struct __static_gcd<_Pn, 0>
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: integral_constant<intmax_t, __static_abs<_Pn>::value>
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{ };
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template<intmax_t _Qn>
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struct __static_gcd<0, _Qn>
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: integral_constant<intmax_t, __static_abs<_Qn>::value>
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{ };
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// Let c = 2^(half # of bits in an intmax_t)
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// then we find a1, a0, b1, b0 s.t. N = a1*c + a0, M = b1*c + b0
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// The multiplication of N and M becomes,
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// N * M = (a1 * b1)c^2 + (a0 * b1 + b0 * a1)c + a0 * b0
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// Multiplication is safe if each term and the sum of the terms
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// is representable by intmax_t.
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template<intmax_t _Pn, intmax_t _Qn>
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struct __safe_multiply
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{
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private:
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static const uintmax_t __c = uintmax_t(1) << (sizeof(intmax_t) * 4);
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static const uintmax_t __a0 = __static_abs<_Pn>::value % __c;
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static const uintmax_t __a1 = __static_abs<_Pn>::value / __c;
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static const uintmax_t __b0 = __static_abs<_Qn>::value % __c;
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static const uintmax_t __b1 = __static_abs<_Qn>::value / __c;
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static_assert(__a1 == 0 || __b1 == 0,
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"overflow in multiplication");
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static_assert(__a0 * __b1 + __b0 * __a1 < (__c >> 1),
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"overflow in multiplication");
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static_assert(__b0 * __a0 <= INTMAX_MAX,
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"overflow in multiplication");
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static_assert((__a0 * __b1 + __b0 * __a1) * __c <=
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INTMAX_MAX - __b0 * __a0, "overflow in multiplication");
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public:
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static const intmax_t value = _Pn * _Qn;
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};
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// Helpers for __safe_add
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template<intmax_t _Pn, intmax_t _Qn, bool>
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struct __add_overflow_check_impl
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: integral_constant<bool, (_Pn <= INTMAX_MAX - _Qn)>
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{ };
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template<intmax_t _Pn, intmax_t _Qn>
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struct __add_overflow_check_impl<_Pn, _Qn, false>
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: integral_constant<bool, (_Pn >= -INTMAX_MAX - _Qn)>
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{ };
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template<intmax_t _Pn, intmax_t _Qn>
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struct __add_overflow_check
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: __add_overflow_check_impl<_Pn, _Qn, (_Qn >= 0)>
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{ };
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template<intmax_t _Pn, intmax_t _Qn>
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struct __safe_add
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{
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static_assert(__add_overflow_check<_Pn, _Qn>::value != 0,
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"overflow in addition");
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static const intmax_t value = _Pn + _Qn;
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};
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template<intmax_t _Num, intmax_t _Den = 1>
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struct ratio
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{
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static_assert(_Den != 0, "denominator cannot be zero");
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static_assert(_Num > INTMAX_MIN && _Den > INTMAX_MIN, "out of range");
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// Note: sign(N) * abs(N) == N
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static const intmax_t num =
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_Num * __static_sign<_Den>::value / __static_gcd<_Num, _Den>::value;
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static const intmax_t den =
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__static_abs<_Den>::value / __static_gcd<_Num, _Den>::value;
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};
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template<intmax_t _Num, intmax_t _Den>
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const intmax_t ratio<_Num, _Den>::num;
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template<intmax_t _Num, intmax_t _Den>
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const intmax_t ratio<_Num, _Den>::den;
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template<typename _R1, typename _R2>
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struct ratio_add
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{
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private:
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static const intmax_t __gcd =
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__static_gcd<_R1::den, _R2::den>::value;
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public:
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typedef ratio<
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__safe_add<
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__safe_multiply<_R1::num, (_R2::den / __gcd)>::value,
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__safe_multiply<_R2::num, (_R1::den / __gcd)>::value>::value,
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__safe_multiply<_R1::den, (_R2::den / __gcd)>::value> type;
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};
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template<typename _R1, typename _R2>
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struct ratio_subtract
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{
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typedef typename ratio_add<
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_R1,
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ratio<-_R2::num, _R2::den>>::type type;
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};
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template<typename _R1, typename _R2>
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struct ratio_multiply
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{
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private:
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static const intmax_t __gcd1 =
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__static_gcd<_R1::num, _R2::den>::value;
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static const intmax_t __gcd2 =
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__static_gcd<_R2::num, _R1::den>::value;
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public:
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typedef ratio<
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__safe_multiply<(_R1::num / __gcd1),
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(_R2::num / __gcd2)>::value,
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__safe_multiply<(_R1::den / __gcd2),
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(_R2::den / __gcd1)>::value> type;
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};
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template<typename _R1, typename _R2>
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struct ratio_divide
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{
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static_assert(_R2::num != 0, "division by 0");
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typedef typename ratio_multiply<
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_R1,
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ratio<_R2::den, _R2::num>>::type type;
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};
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template<typename _R1, typename _R2>
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struct ratio_equal
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: integral_constant<bool, _R1::num == _R2::num && _R1::den == _R2::den>
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{ };
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template<typename _R1, typename _R2>
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struct ratio_not_equal
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: integral_constant<bool, !ratio_equal<_R1, _R2>::value>
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{ };
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template<typename _R1, typename _R2>
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struct ratio_less
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: integral_constant<bool,
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(__safe_multiply<_R1::num, _R2::den>::value <
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__safe_multiply<_R2::num, _R1::den>::value)>
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{ };
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template<typename _R1, typename _R2>
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struct ratio_less_equal
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: integral_constant<bool, !ratio_less<_R2, _R1>::value>
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{ };
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template<typename _R1, typename _R2>
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struct ratio_greater
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: integral_constant<bool, ratio_less<_R2, _R1>::value>
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{ };
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template<typename _R1, typename _R2>
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struct ratio_greater_equal
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: integral_constant<bool, !ratio_less<_R1, _R2>::value>
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{ };
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typedef ratio<1, 1000000000000000000> atto;
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typedef ratio<1, 1000000000000000> femto;
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typedef ratio<1, 1000000000000> pico;
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typedef ratio<1, 1000000000> nano;
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typedef ratio<1, 1000000> micro;
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typedef ratio<1, 1000> milli;
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typedef ratio<1, 100> centi;
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typedef ratio<1, 10> deci;
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typedef ratio< 10, 1> deca;
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typedef ratio< 100, 1> hecto;
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typedef ratio< 1000, 1> kilo;
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typedef ratio< 1000000, 1> mega;
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typedef ratio< 1000000000, 1> giga;
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typedef ratio< 1000000000000, 1> tera;
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typedef ratio< 1000000000000000, 1> peta;
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typedef ratio< 1000000000000000000, 1> exa;
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}
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#endif //_GLIBCXX_USE_C99_STDINT_TR1
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#endif //__GXX_EXPERIMENTAL_CXX0X__
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#endif //_GLIBCXX_RATIO
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@ -0,0 +1,87 @@
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// { dg-options "-std=gnu++0x" }
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// Copyright (C) 2008 Free Software Foundation
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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||||
// 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.
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|
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// 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
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// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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// Boston, MA 02110-1301, USA.
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#include <ratio>
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#include <testsuite_hooks.h>
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#ifdef _GLIBCXX_USE_C99_STDINT_TR1
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void
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test01()
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{
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bool test __attribute__((unused)) = true;
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VERIFY(( std::ratio_equal<std::ratio<2,6>, std::ratio<1,3>>::value == 1 ));
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VERIFY(( std::ratio_equal<std::ratio<2,6>, std::ratio<1,4>>::value == 0 ));
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VERIFY(( std::ratio_not_equal<std::ratio<2,6>,
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std::ratio<1,3>>::value == 0 ));
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VERIFY(( std::ratio_not_equal<std::ratio<2,6>,
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std::ratio<1,4>>::value == 1 ));
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}
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void
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test02()
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{
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bool test __attribute__((unused)) = true;
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VERIFY(( std::ratio_less<std::ratio<1,4>, std::ratio<1,3>>::value == 1 ));
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VERIFY(( std::ratio_less<std::ratio<-1,3>, std::ratio<1,3>>::value == 1 ));
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VERIFY(( std::ratio_less<std::ratio<1,3>, std::ratio<1,4>>::value == 0 ));
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VERIFY(( std::ratio_less<std::ratio<1,3>, std::ratio<-1,3>>::value == 0 ));
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VERIFY(( std::ratio_less_equal<std::ratio<-1,3>,
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std::ratio<-1,3>>::value == 1 ));
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VERIFY(( std::ratio_less_equal<std::ratio<1,4>,
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std::ratio<1,3>>::value == 1 ));
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VERIFY(( std::ratio_less_equal<std::ratio<1,4>,
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std::ratio<-1,3>>::value == 0 ));
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VERIFY(( std::ratio_less_equal<std::ratio<1,3>,
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std::ratio<-1,3>>::value == 0 ));
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VERIFY(( std::ratio_greater<std::ratio<1,3>, std::ratio<1,4>>::value == 1 ));
|
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VERIFY(( std::ratio_greater<std::ratio<1,3>, std::ratio<-1,3>>::value == 1 ));
|
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||||
VERIFY(( std::ratio_greater<std::ratio<1,4>, std::ratio<1,3>>::value == 0 ));
|
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VERIFY(( std::ratio_greater<std::ratio<-1,3>, std::ratio<1,3>>::value == 0 ));
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|
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VERIFY(( std::ratio_greater_equal<std::ratio<1,3>,
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std::ratio<1,3>>::value == 1 ));
|
||||
VERIFY(( std::ratio_greater_equal<std::ratio<1,3>,
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std::ratio<-1,3>>::value == 1 ));
|
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VERIFY(( std::ratio_greater_equal<std::ratio<-1,3>,
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std::ratio<1,3>>::value == 0 ));
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VERIFY(( std::ratio_greater_equal<std::ratio<1,4>,
|
||||
std::ratio<1,3>>::value == 0 ));
|
||||
}
|
||||
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
int main()
|
||||
{
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
test01();
|
||||
test02();
|
||||
#endif
|
||||
return 0;
|
||||
}
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|
|
@ -0,0 +1,57 @@
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|||
// { dg-options "-std=gnu++0x" }
|
||||
|
||||
// 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
|
||||
|
||||
// Copyright (C) 2008 Free Software Foundation
|
||||
//
|
||||
// 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.
|
||||
|
||||
#include <ratio>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::ratio<1,3> r0;
|
||||
std::ratio<2,6> r1;
|
||||
std::ratio<2,-6> r2;
|
||||
std::ratio<-2,6> r3;
|
||||
|
||||
VERIFY( r0.num == 1 );
|
||||
VERIFY( r0.den == 3 );
|
||||
|
||||
VERIFY( r1.num == r0.num );
|
||||
VERIFY( r1.den == r0.den );
|
||||
VERIFY( r2.num == -r0.num );
|
||||
VERIFY( r2.den == r0.den );
|
||||
VERIFY( r3.num == -r0.num );
|
||||
VERIFY( r3.den == r0.den );
|
||||
}
|
||||
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
int main()
|
||||
{
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
test01();
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,58 @@
|
|||
// { dg-options "-std=gnu++0x" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2008 Free Software Foundation
|
||||
//
|
||||
// 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.
|
||||
|
||||
#include <ratio>
|
||||
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
std::ratio<INTMAX_MAX, INTMAX_MAX> r1;
|
||||
std::ratio<-INTMAX_MAX, INTMAX_MAX> r2;
|
||||
}
|
||||
|
||||
void
|
||||
test02()
|
||||
{
|
||||
std::ratio<INTMAX_MIN, 1> r1;
|
||||
}
|
||||
|
||||
void
|
||||
test03()
|
||||
{
|
||||
std::ratio<1, INTMAX_MIN> r1;
|
||||
}
|
||||
|
||||
void
|
||||
test04()
|
||||
{
|
||||
std::ratio<1,0> r1;
|
||||
}
|
||||
|
||||
// { dg-error "instantiated from here" "" { target *-*-* } 36 }
|
||||
// { dg-error "instantiated from here" "" { target *-*-* } 42 }
|
||||
// { dg-error "instantiated from here" "" { target *-*-* } 48 }
|
||||
// { dg-error "denominator cannot be zero" "" { target *-*-* } 136 }
|
||||
// { dg-error "out of range" "" { target *-*-* } 137 }
|
||||
// { dg-excess-errors "In instantiation of" }
|
||||
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
|
@ -0,0 +1,80 @@
|
|||
// { dg-options "-std=gnu++0x" }
|
||||
|
||||
// 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
|
||||
|
||||
// Copyright (C) 2008 Free Software Foundation
|
||||
//
|
||||
// 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.
|
||||
|
||||
#include <ratio>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::ratio_add<std::ratio<3,8>, std::ratio<5,12>>::type r;
|
||||
|
||||
VERIFY( r.num == 19);
|
||||
VERIFY( r.den == 24);
|
||||
}
|
||||
|
||||
void
|
||||
test02()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
std::ratio_subtract<std::ratio<3,8>, std::ratio<5,12>>::type r;
|
||||
|
||||
VERIFY( r.num == -1);
|
||||
VERIFY( r.den == 24);
|
||||
}
|
||||
|
||||
void
|
||||
test03()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
std::ratio_multiply<std::ratio<3,8>, std::ratio<5,12>>::type r;
|
||||
|
||||
VERIFY( r.num == 5);
|
||||
VERIFY( r.den == 32);
|
||||
}
|
||||
|
||||
void
|
||||
test04()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
std::ratio_divide<std::ratio<3,8>, std::ratio<5,12>>::type r;
|
||||
|
||||
VERIFY( r.num == 9);
|
||||
VERIFY( r.den == 10);
|
||||
}
|
||||
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
int main()
|
||||
{
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
test01();
|
||||
test02();
|
||||
test03();
|
||||
test04();
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
// { dg-options "-std=gnu++0x" }
|
||||
|
||||
// 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
|
||||
|
||||
// Copyright (C) 2008 Free Software Foundation
|
||||
//
|
||||
// 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.
|
||||
|
||||
#include <ratio>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
typedef std::ratio<1, INTMAX_MAX> one_over_max;
|
||||
typedef std::ratio<2, INTMAX_MAX> two_over_max;
|
||||
typedef std::ratio<INTMAX_MAX, 1> max_over_one;
|
||||
typedef std::ratio<INTMAX_MAX, 2> max_over_two;
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::ratio_add<one_over_max, one_over_max>::type r1;
|
||||
|
||||
VERIFY( r1.num == two_over_max::num);
|
||||
VERIFY( r1.den == two_over_max::den);
|
||||
|
||||
std::ratio_add<
|
||||
std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>,
|
||||
std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2;
|
||||
|
||||
VERIFY( r2.num == INTMAX_MAX);
|
||||
VERIFY( r2.den == (INTMAX_MAX / 2) + 1);
|
||||
}
|
||||
|
||||
void
|
||||
test02()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::ratio_subtract<one_over_max, one_over_max>::type r1;
|
||||
|
||||
VERIFY( r1.num == 0);
|
||||
VERIFY( r1.den == 1);
|
||||
|
||||
std::ratio_subtract<
|
||||
std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>,
|
||||
std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2;
|
||||
|
||||
VERIFY( r2.num == 1);
|
||||
VERIFY( r2.den == (INTMAX_MAX / 2) + 1);
|
||||
}
|
||||
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
int main()
|
||||
{
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
test01();
|
||||
test02();
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
// { dg-options "-std=gnu++0x" }
|
||||
|
||||
// 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
|
||||
|
||||
// Copyright (C) 2008 Free Software Foundation
|
||||
//
|
||||
// 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.
|
||||
|
||||
#include <ratio>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::ratio_multiply<
|
||||
std::ratio<2, INTMAX_MAX>,
|
||||
std::ratio<INTMAX_MAX, 2>>::type r1;
|
||||
|
||||
VERIFY( r1.num == 1);
|
||||
VERIFY( r1.den == 1);
|
||||
|
||||
std::ratio_multiply<
|
||||
std::ratio<INTMAX_MAX, 2>,
|
||||
std::ratio<2 , INTMAX_MAX - 1>>::type r2;
|
||||
|
||||
VERIFY( r2.num == INTMAX_MAX);
|
||||
VERIFY( r2.den == INTMAX_MAX - 1);
|
||||
}
|
||||
|
||||
void
|
||||
test02()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::ratio_divide<
|
||||
std::ratio<INTMAX_MAX, 2>,
|
||||
std::ratio<INTMAX_MAX, 2>>::type r1;
|
||||
|
||||
VERIFY( r1.num == 1);
|
||||
VERIFY( r1.den == 1);
|
||||
|
||||
std::ratio_divide<
|
||||
std::ratio<INTMAX_MAX-1, 2>,
|
||||
std::ratio<INTMAX_MAX, 2>>::type r2;
|
||||
|
||||
VERIFY( r2.num == INTMAX_MAX - 1);
|
||||
VERIFY( r2.den == INTMAX_MAX);
|
||||
}
|
||||
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
int main()
|
||||
{
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
test01();
|
||||
test02();
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,51 @@
|
|||
// { dg-options "-std=gnu++0x" }
|
||||
// { dg-do compile }
|
||||
|
||||
// 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
|
||||
|
||||
// Copyright (C) 2008 Free Software Foundation
|
||||
//
|
||||
// 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.
|
||||
|
||||
#include <ratio>
|
||||
|
||||
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
std::ratio_add<std::ratio<INTMAX_MAX, 1>, std::ratio<1>>::type r1;
|
||||
}
|
||||
|
||||
void
|
||||
test02()
|
||||
{
|
||||
std::ratio_multiply<std::ratio<-INTMAX_MAX, 2>, std::ratio<3, 2>>::type r1;
|
||||
std::ratio_multiply<std::ratio<INTMAX_MAX>, std::ratio<INTMAX_MAX>>::type r2;
|
||||
}
|
||||
|
||||
// { dg-error "instantiated from here" "" { target *-*-* } 31 }
|
||||
// { dg-error "instantiated from here" "" { target *-*-* } 37 }
|
||||
// { dg-error "instantiated from here" "" { target *-*-* } 38 }
|
||||
// { dg-error "overflow in addition" "" { target *-*-* } 127 }
|
||||
// { dg-error "overflow in multiplication" "" { target *-*-* } 95 }
|
||||
// { dg-error "overflow in multiplication" "" { target *-*-* } 97 }
|
||||
// { dg-error "overflow in multiplication" "" { target *-*-* } 99 }
|
||||
// { dg-excess-errors "In instantiation of" }
|
||||
// { dg-excess-errors "out of range" }
|
||||
|
||||
#endif //_GLIBCXX_USE_C99_STDINT_TR1
|
||||
Loading…
Reference in New Issue