Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/26_numerics/transform_reduce/constexpr.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// Copyright (C) 2020 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 3, 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 COPYING3. If not see // <http://www.gnu.org/licenses/>. // { dg-options "-std=gnu++2a" } // { dg-do compile { target c++2a } } #include <functional> #include <numeric> constexpr bool test01() { int x[5] = {1,2,3,4,5}; int y[5] = {2,4,6,8,10}; auto ret = std::transform_reduce(x, x+5, y, 0); return ret == 110; } static_assert(test01()); constexpr bool test02() { int x[5] = {1,2,3,4,5}; int y[5] = {2,4,6,8,10}; auto ret = std::transform_reduce(x, x+5, y, 1, std::multiplies{}, std::plus{}); return ret == 3*6*9*12*15; } static_assert(test02()); constexpr bool test03() { int x[5] = {1,2,3,4,5}; auto ret = std::transform_reduce(x, x+5, 0, std::plus{}, std::negate{}); return ret == -15; } static_assert(test03());