Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/26_numerics/adjacent_difference/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]; std::adjacent_difference(x, x+5, y); return y[0] == 1 && y[1] == 1 && y[2] == 1 && y[3] == 1 && y[4] == 1; } static_assert(test01()); constexpr bool test02() { int x[5] = {1,2,3,4,5}; int y[5]; std::adjacent_difference(x, x+5, y, std::multiplies{}); return y[0] == 1 && y[1] == 2 && y[2] == 6 && y[3] == 12 && y[4] == 20; } static_assert(test02());