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- /*
- * Copyright (c) 1993 George V. Neville-Neil
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by George V. Neville-Neil
- * 4. The name, George Neville-Neil may not be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef _TIMING_H_
- #define _TIMING_H_
-
- #ifdef TIME_WITH_SYS_TIME
- #include <sys/time.h>
- #include <time.h>
- #else /* !TIME_WITH_SYS_TIME */
- #ifdef HAVE_SYS_TIME_H
- #include <sys/time.h>
- #else /* !HAVE_SYS_TIME_H */
- #include <time.h>
- #endif /* !HAVE_SYS_TIME_H */
- #endif /* !TIME_WITH_SYS_TIME */
-
- static struct timeval aftertp, beforetp;
-
- #define BEGINTIMING gettimeofday(&beforetp, NULL)
-
- #define ENDTIMING gettimeofday(&aftertp, NULL); \
- if(beforetp.tv_usec > aftertp.tv_usec) \
- { \
- aftertp.tv_usec += 1000000; \
- aftertp.tv_sec--; \
- }
-
- #define TIMINGUS (((aftertp.tv_sec - beforetp.tv_sec) * 1000000) + \
- (aftertp.tv_usec - beforetp.tv_usec))
-
- #define TIMINGMS (((aftertp.tv_sec - beforetp.tv_sec) * 1000) + \
- ((aftertp.tv_usec - beforetp.tv_usec) / 1000))
-
- #define TIMINGS ((aftertp.tv_sec - beforetp.tv_sec) + \
- (aftertp.tv_usec - beforetp.tv_usec) / 1000000)
-
- #endif /* _TIMING_H_ */
-