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timing.h
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timing.h
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/* This file is part of libtrevisan, a modular implementation of
Trevisan's randomness extraction construction.
Copyright (C) 2011-2012, Wolfgang Mauerer <[email protected]>
This program 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
of the License, or (at your option) any later version.
This program 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 libtrevisan. If not, see <http://www.gnu.org/licenses/>. */
#ifndef TIMING_H
#define TIMING_H
#include <time.h>
#include <string>
#ifdef __MACH__
#include <mach/mach_time.h>
#include <tr1/cstdint>
typedef uint64_t meas_t;
#else
typedef struct timespec meas_t;
#define NSEC_PER_SEC 1000000000L
#endif
void init_timekeeping();
int timestamp_subtract(meas_t *result, meas_t *x, meas_t *y);
void measure(meas_t *timestamp);
long delta_to_ms(meas_t delta);
long delta_to_ns(meas_t delta);
float delta_to_s(meas_t delta);
#endif