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#include "time.h"
#ifndef USE_CLOCK
#include "sys/types.h"
#include "sys/times.h"
#endif
#undef Hz
#ifdef CLK_TCK
#define Hz CLK_TCK
#else
#ifdef HZ
#define Hz HZ
#else
#define Hz 60
#endif
#endif
float
#ifdef KR_headers
dtime_(tarray) float *tarray;
#else
dtime_(float *tarray)
#endif
{
#ifdef USE_CLOCK
#ifndef CLOCKS_PER_SECOND
#define CLOCKS_PER_SECOND Hz
#endif
static double t0;
double t = clock();
tarray[1] = 0;
tarray[0] = (t - t0) / CLOCKS_PER_SECOND;
t0 = t;
return tarray[0];
#else
struct tms t;
static struct tms t0;
times(&t);
tarray[0] = (t.tms_utime - t0.tms_utime) / Hz;
tarray[1] = (t.tms_stime - t0.tms_stime) / Hz;
t0 = t;
return tarray[0] + tarray[1];
#endif
}
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