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// Copyright (C) 2004 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 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
#include <fstream>
#include <sstream>
#include <testsuite_performance.h>
void test_extraction(int p = 6)
{
using namespace std;
using namespace __gnu_test;
const char* filename = "tmp_perf_float.txt";
const int iterations = 10000000;
ostringstream oss;
oss << "precision " << p;
// Construct data.
{
ofstream out(filename);
out.precision(p);
for (int i = 0; i < iterations; ++i)
{
float f = i * 3.14159265358979323846;
out << f << '\n';
}
}
{
time_counter time;
resource_counter resource;
ifstream in(filename);
in.precision(p);
float f;
start_counters(time, resource);
for (int j, i = 0; i < iterations; ++i)
in >> f;
stop_counters(time, resource);
report_performance(__FILE__, oss.str(), time, resource);
}
unlink(filename);
};
int main()
{
test_extraction(6);
test_extraction(12);
return 0;
}
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