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-rw-r--r--libraries/ode-0.9/include/ode/timer.h76
1 files changed, 0 insertions, 76 deletions
diff --git a/libraries/ode-0.9/include/ode/timer.h b/libraries/ode-0.9/include/ode/timer.h
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1/*************************************************************************
2 * *
3 * Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. *
4 * All rights reserved. Email: russ@q12.org Web: www.q12.org *
5 * *
6 * This library is free software; you can redistribute it and/or *
7 * modify it under the terms of EITHER: *
8 * (1) The GNU Lesser General Public License as published by the Free *
9 * Software Foundation; either version 2.1 of the License, or (at *
10 * your option) any later version. The text of the GNU Lesser *
11 * General Public License is included with this library in the *
12 * file LICENSE.TXT. *
13 * (2) The BSD-style license that is included with this library in *
14 * the file LICENSE-BSD.TXT. *
15 * *
16 * This library is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files *
19 * LICENSE.TXT and LICENSE-BSD.TXT for more details. *
20 * *
21 *************************************************************************/
22
23#ifndef _ODE_TIMER_H_
24#define _ODE_TIMER_H_
25
26#include <ode/config.h>
27
28#ifdef __cplusplus
29extern "C" {
30#endif
31
32
33/* stop watch objects */
34
35typedef struct dStopwatch {
36 double time; /* total clock count */
37 unsigned long cc[2]; /* clock count since last `start' */
38} dStopwatch;
39
40ODE_API void dStopwatchReset (dStopwatch *);
41ODE_API void dStopwatchStart (dStopwatch *);
42ODE_API void dStopwatchStop (dStopwatch *);
43ODE_API double dStopwatchTime (dStopwatch *); /* returns total time in secs */
44
45
46/* code timers */
47
48ODE_API void dTimerStart (const char *description); /* pass a static string here */
49ODE_API void dTimerNow (const char *description); /* pass a static string here */
50ODE_API void dTimerEnd(void);
51
52/* print out a timer report. if `average' is nonzero, print out the average
53 * time for each slot (this is only meaningful if the same start-now-end
54 * calls are being made repeatedly.
55 */
56ODE_API void dTimerReport (FILE *fout, int average);
57
58
59/* resolution */
60
61/* returns the timer ticks per second implied by the timing hardware or API.
62 * the actual timer resolution may not be this great.
63 */
64ODE_API double dTimerTicksPerSecond(void);
65
66/* returns an estimate of the actual timer resolution, in seconds. this may
67 * be greater than 1/ticks_per_second.
68 */
69ODE_API double dTimerResolution(void);
70
71
72#ifdef __cplusplus
73}
74#endif
75
76#endif