libf2c/libF77/etime_.c

   1 #include "time.h"
   2
   3 #ifdef MSDOS
   4 #undef USE_CLOCK
   5 #define USE_CLOCK
   6 #endif
   7
   8 #ifndef USE_CLOCK
   9 #define _INCLUDE_POSIX_SOURCE   /* for HP-UX */
  10 #define _INCLUDE_XOPEN_SOURCE   /* for HP-UX */
  11 #include "sys/types.h"
  12 #include "sys/times.h"
  13 #endif
  14
  15 #undef Hz
  16 #ifdef CLK_TCK
  17 #define Hz CLK_TCK
  18 #else
  19 #ifdef HZ
  20 #define Hz HZ
  21 #else
  22 #define Hz 60
  23 #endif
  24 #endif
  25
  26 double
  27 etime_ (float *tarray)
  28 {
  29 #ifdef USE_CLOCK
  30 #ifndef CLOCKS_PER_SECOND
  31 #define CLOCKS_PER_SECOND Hz
  32 #endif
  33   double t = clock ();
  34   tarray[1] = 0;
  35   return tarray[0] = t / CLOCKS_PER_SECOND;
  36 #else
  37   struct tms t;
  38
  39   times (&t);
  40   return (tarray[0] = (double) t.tms_utime / Hz)
  41     + (tarray[1] = (double) t.tms_stime / Hz);
  42 #endif
  43 }