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/*************************************************************************
* *
* Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. *
* All rights reserved. Email: russ@q12.org Web: www.q12.org *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of EITHER: *
* (1) The GNU Lesser General Public License as published by the Free *
* Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. The text of the GNU Lesser *
* General Public License is included with this library in the *
* file LICENSE.TXT. *
* (2) The BSD-style license that is included with this library in *
* the file LICENSE-BSD.TXT. *
* *
* 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 files *
* LICENSE.TXT and LICENSE-BSD.TXT for more details. *
* *
*************************************************************************/
#ifndef _ODE_TIMER_H_
#define _ODE_TIMER_H_
#include <ode/config.h>
#ifdef __cplusplus
extern "C" {
#endif
/* stop watch objects */
typedef struct dStopwatch {
double time; /* total clock count */
unsigned long cc[2]; /* clock count since last `start' */
} dStopwatch;
void dStopwatchReset (dStopwatch *);
void dStopwatchStart (dStopwatch *);
void dStopwatchStop (dStopwatch *);
double dStopwatchTime (dStopwatch *); /* returns total time in secs */
/* code timers */
void dTimerStart (const char *description); /* pass a static string here */
void dTimerNow (const char *description); /* pass a static string here */
void dTimerEnd();
/* print out a timer report. if `average' is nonzero, print out the average
* time for each slot (this is only meaningful if the same start-now-end
* calls are being made repeatedly.
*/
void dTimerReport (FILE *fout, int average);
/* resolution */
/* returns the timer ticks per second implied by the timing hardware or API.
* the actual timer resolution may not be this great.
*/
double dTimerTicksPerSecond();
/* returns an estimate of the actual timer resolution, in seconds. this may
* be greater than 1/ticks_per_second.
*/
double dTimerResolution();
#ifdef __cplusplus
}
#endif
#endif
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