Retro68/gcc/libstdc++-v3/testsuite/performance/26_numerics/valarray_gslice_to_index.cc
Wolfgang Thaller aaf905ce07 add gcc 4.70
2012-03-28 01:13:14 +02:00

49 lines
1.4 KiB
C++

// Copyright (C) 2006, 2009 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/>.
#include <valarray>
#include <testsuite_performance.h>
int main()
{
using namespace std;
using namespace __gnu_test;
time_counter time;
resource_counter resource;
valarray<double> va(1000000);
for (int i = 0; i < 1000000; ++i)
va[i] = i;
size_t lengthvalues[] = { 10, 10, 10, 10, 10, 10 };
size_t stridevalues[] = { 1, 1, 1, 1, 1, 1 };
valarray<size_t> lengths(lengthvalues, 6);
valarray<size_t> stride(stridevalues, 6);
start_counters(time, resource);
for (int j = 0; j < 1000; ++j)
va[gslice(0, lengths, stride)];
stop_counters(time, resource);
report_performance(__FILE__, "", time, resource);
return 0;
}