Retro68/gcc/libstdc++-v3/testsuite/26_numerics/valarray/28277.cc
Wolfgang Thaller 6fbf4226da gcc-9.1
2019-06-20 20:10:10 +02:00

48 lines
1.3 KiB
C++

// 2006-07-15 Paolo Carlini <pcarlini@suse.de>
// Copyright (C) 2006-2019 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 "-DMAX_SIZE=5000" { target simulator } }
#ifndef MAX_SIZE
#define MAX_SIZE 5000000
#endif
#include <valarray>
#include <testsuite_hooks.h>
// libstdc++/28277
void test01()
{
const std::valarray<int> v1(1, MAX_SIZE);
const std::valarray<int> v2 = v1.shift(1);
VERIFY( v2.size() == v1.size() );
VERIFY( v2[v1.size() - 1] == 0 );
const std::valarray<int> v3 = v2.cshift(-1);
VERIFY( v3.size() == v2.size() );
VERIFY( v3[0] == 0 );
}
int main()
{
test01();
return 0;
}