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util.c
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util.c
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#include <sys/time.h>
#include <stdio.h>
#include "util.h"
struct timeval tv;
double firsttic = 0;
double lasttic = 0;
void tic_reset() {
gettimeofday(&tv, NULL);
firsttic = (double)tv.tv_sec + 1.0e-6 * (double)tv.tv_usec;
lasttic = firsttic;
}
double tic_total() {
gettimeofday(&tv, NULL);
lasttic = (double)tv.tv_sec + 1.0e-6 * (double)tv.tv_usec;
return lasttic - firsttic;
}
double tic_sincelast() {
gettimeofday(&tv, NULL);
double rtnval = ((double)tv.tv_sec + 1.0e-6 * (double)tv.tv_usec) - lasttic;
lasttic = (double)tv.tv_sec + 1.0e-6 * (double)tv.tv_usec;
return rtnval;
}