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Last change
on this file was 1392, checked in by bird, 21 years ago |
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This commit was generated by cvs2svn to compensate for changes in r1391,
which included commits to RCS files with non-trunk default branches.
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Property cvs2svn:cvs-rev
set to
1.1.1.2
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Property svn:eol-style
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native
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Property svn:executable
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*
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File size:
821 bytes
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| 1 | #include "time.h"
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| 2 |
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| 3 | #ifdef MSDOS
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| 4 | #undef USE_CLOCK
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| 5 | #define USE_CLOCK
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| 6 | #endif
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| 7 |
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| 8 | #ifndef USE_CLOCK
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| 9 | #define _INCLUDE_POSIX_SOURCE /* for HP-UX */
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| 10 | #define _INCLUDE_XOPEN_SOURCE /* for HP-UX */
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| 11 | #include "sys/types.h"
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| 12 | #include "sys/times.h"
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| 13 | #endif
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| 14 |
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| 15 | #undef Hz
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| 16 | #ifdef CLK_TCK
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| 17 | #define Hz CLK_TCK
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| 18 | #else
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| 19 | #ifdef HZ
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| 20 | #define Hz HZ
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| 21 | #else
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| 22 | #define Hz 60
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| 23 | #endif
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| 24 | #endif
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| 25 |
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| 26 | double
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| 27 | dtime_ (float *tarray)
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| 28 | {
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| 29 | #ifdef USE_CLOCK
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| 30 | #ifndef CLOCKS_PER_SECOND
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| 31 | #define CLOCKS_PER_SECOND Hz
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| 32 | #endif
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| 33 | static double t0;
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| 34 | double t = clock ();
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| 35 | tarray[1] = 0;
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| 36 | tarray[0] = (t - t0) / CLOCKS_PER_SECOND;
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| 37 | t0 = t;
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| 38 | return tarray[0];
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| 39 | #else
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| 40 | struct tms t;
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| 41 | static struct tms t0;
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| 42 |
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| 43 | times (&t);
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| 44 | tarray[0] = (double) (t.tms_utime - t0.tms_utime) / Hz;
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| 45 | tarray[1] = (double) (t.tms_stime - t0.tms_stime) / Hz;
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| 46 | t0 = t;
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| 47 | return tarray[0] + tarray[1];
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| 48 | #endif
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| 49 | }
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