blob: aef6457c8c6c50028c4703e8bb22540b1b870370 [file] [log] [blame]
Guido van Rossum116857c1994-01-02 23:22:21 +00001/*
2 * Copyright (c) 1993 George V. Neville-Neil
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by George V. Neville-Neil
16 * 4. The name, George Neville-Neil may not be used to endorse or promote
17 * products derived from this software without specific prior
18 * written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*
34 *
35 * File: $Id$
36 *
37 * Author: George V. Neville-Neil
38 *
39 * Update History: $Log$
40 * Update History: Revision 2.1 1994/01/02 23:22:19 guido
41 * Update History: Added George Neville-Neil's timing module
42 * Update History:
43 * Revision 1.1 93/12/28 13:14:19 gnn
44 * Initial revision
45 *
46 * Revision 1.1 93/12/23 18:59:10 gnn
47 * Initial revision
48 *
49 * Revision 1.3 93/07/22 15:57:39 15:57:39 gnn (George Neville-Neil)
50 * Added copyright message.
51 *
52 * Revision 1.2 1993/07/22 12:12:34 gnn
53 * Latest macros. They now evaluate to rvalues.
54 *
55 * Revision 1.1 93/07/19 16:56:18 16:56:18 gnn (George Neville-Neil)
56 * Initial revision
57 *
58 *
59 *
60 */
61
62#ifndef _TIMING_H_
63#define _TIMING_H_
64
65#include <sys/time.h>
66
67static struct timeval aftertp, beforetp;
68
69#define BEGINTIMING gettimeofday(&beforetp, NULL)
70
71#define ENDTIMING gettimeofday(&aftertp, NULL); \
72 if(beforetp.tv_usec > aftertp.tv_usec) \
73 { \
74 aftertp.tv_usec += 1000000; \
75 aftertp.tv_sec--; \
76 }
77
78#define TIMINGUS (((aftertp.tv_sec - beforetp.tv_sec) * 1000000) + \
79 (aftertp.tv_usec - beforetp.tv_usec))
80
81#define TIMINGMS (((aftertp.tv_sec - beforetp.tv_sec) * 1000) + \
82 ((aftertp.tv_usec - beforetp.tv_usec) / 1000))
83
84#define TIMINGS ((aftertp.tv_sec - beforetp.tv_sec) + \
85 (aftertp.tv_usec - beforetp.tv_usec) / 1000000)
86
87#endif /* _TIMING_H_ */