1 #ifndef _TIMINGS_
2 #define _TIMINGS_
3 #include <sys/time.h>
4 static struct timeval  TV ;
5 static struct timezone TZ ;
6 #define MARKTIME(t) \
7    gettimeofday(&TV, &TZ) ; \
8    t = (TV.tv_sec + 0.000001*TV.tv_usec)
9 #endif
10 
11