60 lines
954 B
C
60 lines
954 B
C
// 23 april 2019
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "testing.h"
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struct testingTimer {
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clock_t start;
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clock_t end;
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};
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testingTimer *testingNewTimer(void)
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{
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testingTimer *t;
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t = (testingTimer *) malloc(sizeof (testingTimer));
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// TODO handle failure
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memset(t, 0, sizeof (testingTimer));
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return t;
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}
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void testingFreeTimer(testingTimer *t)
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{
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free(t);
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}
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void testingTimerStart(testingTimer *t)
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{
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t->start = clock();
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}
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void testingTimerEnd(testingTimer *t)
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{
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t->end = clock();
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}
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int64_t testingTimerNsec(testingTimer *t)
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{
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clock_t c;
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clock_t sec;
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int64_t sec64;
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clock_t subsec;
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double subsecf;
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int64_t subsec64;
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c = t->end - t->start;
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sec = c / CLOCKS_PER_SEC;
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sec64 = (int64_t) sec;
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sec64 *= testingTimerNsecPerSec;
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subsec = c % CLOCKS_PER_SEC;
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subsecf = (double) subsec;
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subsecf /= CLOCKS_PER_SEC;
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subsecf *= testingTimerNsecPerSec;
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subsec64 = (int64_t) subsecf;
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return sec64 + subsec64;
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}
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