examples/doitgen/template.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <math.h>
   4
   5 #include <assert.h>
   6
   7 #include "decls.h"
   8 #include "util.h"
   9
  10 double t_start, t_end;
  11
  12 int main()
  13 {
  14     int i, j, k, t;
  15
  16
  17     init_array() ;
  18
  19 #ifdef PERFCTR
  20     PERF_INIT;
  21 #endif
  22
  23     IF_TIME(t_start = rtclock());
  24
  25     /* pluto start (T,N) */
  26     for (t=0; t<=T-1; t++)  {
  27         for (i=1; i<=N-2; i++)  {
  28             for (j=1; j<=N-2; j++)  {
  29                 a[i][j] = (a[i-1][j-1] + a[i-1][j] + a[i-1][j+1]
  30                         + a[i][j-1] + a[i][j] + a[i][j+1]
  31                         + a[i+1][j-1] + a[i+1][j] + a[i+1][j+1])/9.0;
  32             }
  33         }
  34     }
  35     /* pluto end */
  36
  37     IF_TIME(t_end = rtclock());
  38     IF_TIME(fprintf(stderr, "%0.6lfs\n", t_end - t_start));
  39
  40 #ifdef TEST
  41     print_array();
  42 #endif
  43     return 0;
  44 }