/* emacs edit mode for this file is -*- C++ -*- */
/* $Id: timing.h,v 1.2 1997-03-27 10:23:55 schmidt Exp $ */

/*
$Log: not supported by cvs2svn $
Revision 1.1  1996/12/06 14:49:07  schmidt
Initial revision

 * Revision 1.0  1996/05/17  10:59:37  stobbe
 * Initial revision
 *
*/

/* It should be possible to include this file multiple times for different */
/* settings of TIMING */

#undef TIMING_START
#undef TIMING_END
#undef TIMING_END_AND_PRINT
#undef TIMING_DEFINE_PRINT
#undef TIMING_DEFINE_PRINTPROTO
#undef TIMING_PRINT

#ifdef TIMING
#include <time.h>
#include <sys/times.h>
#include <sys/param.h>
#include <stdio.h>

// need to be adjusted on your machine:
// the number of ticks per second: HZ
#if ! defined (HZ) && defined (CLOCKS_PER_SEC)
#define HZ CLOCKS_PER_SEC
#endif
#if ! defined (HZ)  && defined (CLK_TCK)
#define HZ CLK_TCK
#endif
#ifndef HZ
#ifdef sun
#define HZ 60.0
#else
#define HZ 100.0
#endif
#endif

#define TIMING_START(t) { struct tms timing_ ## t ## _start, timing_ ## t ## _end; \
  times( &timing_ ## t ## _start );
#define TIMING_END(t) times( &timing_ ## t ## _end ); \
  timing_ ## t ## _time += timing_ ## t ## _end.tms_utime - timing_ ## t ## _start.tms_utime; }
#define TIMING_END_AND_PRINT(t, msg) times( &timing_ ## t ## _end ); \
  fprintf( stderr, "%s%.2f sec\n", msg, \
	   float( timing_ ## t ## _end.tms_utime - timing_ ## t ## _start.tms_utime ) / HZ ); \
  timing_ ## t ## _time += timing_ ## t ## _end.tms_utime - timing_ ## t ## _start.tms_utime; }
#define TIMING_DEFINE_PRINT(t) long timing_ ## t ## _time; \
void timing_print_ ## t ( char * msg ) { \
  fprintf( stderr, "%s%.2f sec\n", msg, float(timing_ ## t ## _time) / HZ ); \
}
#define TIMING_DEFINE_PRINTPROTO(t) void timing_print_ ## t ( char * );
#define TIMING_PRINT(t, msg) timing_print_ ## t ( msg );
#else /* TIMING */
#define TIMING_START(t)
#define TIMING_END(t)
#define TIMING_END_AND_PRINT(t, msg)
#define TIMING_DEFINE_PRINT(t)
#define TIMING_DEFINE_PRINTPROTO(t)
#define TIMING_PRINT(t, msg)
#endif /* TIMING */