2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "cpu-timer.hh"
24 #ifndef CLOCKS_PER_SEC
26 #define CLOCKS_PER_SEC CLK_TCK
27 #elif defined _SC_CLK_TCK
28 #define CLOCKS_PER_SEC sysconf (_SC_CLK_TCK)
30 #error cannot determine CLOCKS_PER_SEC
34 Cpu_timer::Cpu_timer ()
41 start_clock_ = clock ();
47 clock_t stop = clock ();
48 return Real (stop - start_clock_) / Real (CLOCKS_PER_SEC);