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35 lines
1000 B
35 lines
1000 B
2 years ago
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/*
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* Copyright(C) 1999-2021 National Technology & Engineering Solutions
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* of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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* NTESS, the U.S. Government retains certain rights in this software.
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*
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* See packages/seacas/LICENSE for details
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*/
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#include <time.h>
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#if defined(__unix__) || defined(__unix) || defined(unix) || \
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(defined(__APPLE__) && defined(__MACH__))
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#include <sys/resource.h>
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#endif
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double seconds(void)
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{
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double curtime;
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#ifdef RUSAGE_SELF
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/* This timer is faster and more robust (if it exists). */
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struct rusage rusage;
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int getrusage(int, struct rusage *);
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getrusage(RUSAGE_SELF, &rusage);
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curtime = ((rusage.ru_utime.tv_sec + rusage.ru_stime.tv_sec) +
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1.0e-6 * (rusage.ru_utime.tv_usec + rusage.ru_stime.tv_usec));
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#else
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/* ANSI timer, but lower resolution & wraps around after ~36 minutes. */
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curtime = clock() / ((double)CLOCKS_PER_SEC);
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#endif
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return (curtime);
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}
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