1 // Copyright (C) 2003-2021 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
21 #include <testsuite_performance.h>
23 // Based on libstdc++/8761 poor fstream performance (converted to float)
24 void test_insertion(int p
= 6)
27 using namespace __gnu_test
;
29 const char* filename
= "tmp_perf_float.txt";
30 const int iterations
= 10000000;
33 oss
<< "precision " << p
;
37 resource_counter resource
;
39 ofstream
out(filename
);
41 start_counters(time
, resource
);
42 for (int i
= 0; i
< iterations
; ++i
)
44 float f
= i
* 3.14159265358979323846;
47 stop_counters(time
, resource
);
48 report_performance(__FILE__
, oss
.str(), time
, resource
);