/usr/include/givaro/givomptimer.h is in libgivaro-dev 4.0.2-8ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | /* -*- mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/* kernel/system/givtimer.h
* Copyright (C) 2014 Givaro Team
*
* Written by JG Dumas
*
* ------------------------------------
* Modified by Bradford Hovinen <hovinen@cis.udel.edu>
*
* Added _start_t member to BaseTimer, so that stop () does not clobber the
* class' memory of its start time. This allows it to be called repeatedly to
* get elapsed times.
* ------------------------------------
*
* See COPYING for license information.
*
*/
/** @file givtimer.h
* @ingroup system
* @brief timer
*/
#ifndef __GIVARO_OMP_timer_H
#define __GIVARO_OMP_timer_H
#include <iostream>
#include <givaro/givconfig.h>
#include <omp.h>
namespace Givaro {
//! OMP timer
struct OMPTimer {
double _c;
void start() { _c = omp_get_wtime(); }
void stop() { _c = omp_get_wtime() - _c; }
void clear() { _c = 0.0; }
double realtime() { return _c; }
double usertime() { return _c; }
double time() const { return _c; }
friend std::ostream& operator<<(std::ostream& o, const OMPTimer& t) {
return o << t._c << 's';
}
OMPTimer& operator =(const OMPTimer& t) { _c = t._c; return *this; }
OMPTimer& operator+=(const OMPTimer& t) { _c += t._c; return *this; }
OMPTimer& operator-=(const OMPTimer& t) { _c -= t._c; return *this; }
OMPTimer operator +(const OMPTimer& t) const
{
OMPTimer r; r._c = _c + t._c; return r;
}
OMPTimer operator -(const OMPTimer& t) const
{
OMPTimer r; r._c = _c - t._c; return r;
}
OMPTimer operator -() { OMPTimer r; r._c = - _c; return r; }
};
} // namespace Givaro
#endif // __GIVARO_OMP_timer_H
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