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70 lines
1.2 KiB
C
70 lines
1.2 KiB
C
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "common.h"
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#include "types.h"
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#include "timer.h"
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#if defined (_WIN)
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void hc_timer_set (hc_timer_t *a)
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{
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QueryPerformanceCounter (a);
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}
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double hc_timer_get (hc_timer_t a)
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{
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hc_timer_t hr_freq;
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QueryPerformanceFrequency (&hr_freq);
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hc_timer_t hr_tmp;
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hc_timer_set (&hr_tmp);
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double r = ((double) hr_tmp.QuadPart - (double) a.QuadPart) / ((double) hr_freq.QuadPart / 1000);
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return r;
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}
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#else
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void hc_timer_set (hc_timer_t* a)
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{
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#if defined(__APPLE__) && defined(MISSING_CLOCK_GETTIME)
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gettimeofday (a, NULL);
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#else
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clock_gettime (CLOCK_MONOTONIC, a);
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#endif
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}
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double hc_timer_get (hc_timer_t a)
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{
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hc_timer_t hr_tmp;
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hc_timer_set (&hr_tmp);
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#if defined(__APPLE__) && defined(MISSING_CLOCK_GETTIME)
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return (double) (((hr_tmp.tv_sec - (a).tv_sec) * 1000) + ((double) (hr_tmp.tv_usec - (a).tv_usec) / 1000));
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#else
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hc_timer_t s;
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s.tv_sec = hr_tmp.tv_sec - a.tv_sec;
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s.tv_nsec = hr_tmp.tv_nsec - a.tv_nsec;
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if (s.tv_nsec < 0)
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{
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s.tv_sec -= 1;
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s.tv_nsec += 1000000000;
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}
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double r = ((double) s.tv_sec * 1000) + ((double) s.tv_nsec / 1000000);
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return r;
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#endif
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}
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#endif
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