examples/mvt/util.h

   1 #include <unistd.h>
   2 #include <sys/time.h>
   3
   4 #ifdef TIME
   5 #define IF_TIME(foo) foo;
   6 #else
   7 #define IF_TIME(foo)
   8 #endif
   9
  10 double rtclock()
  11 {
  12     struct timezone Tzp;
  13     struct timeval Tp;
  14     int stat;
  15     stat = gettimeofday (&Tp, &Tzp);
  16     if (stat != 0) printf("Error return from gettimeofday: %d",stat);
  17     return(Tp.tv_sec + Tp.tv_usec*1.0e-6);
  18 }
  19
  20 void init_array()
  21 {
  22     int i, j;
  23
  24     for (i=0; i<N; i++) {
  25         y_1[i] = i;
  26         y_2[i] = i+1;
  27         x1[i] = 0.0;
  28         x2[i] = 0.0;
  29
  30         for (j=0; j<N; j++)
  31             a[i][j] = i+j+1.0;
  32     }
  33 }
  34
  35 void print_array()
  36 {
  37     int i, j;
  38
  39     for (i=0; i<N; i++) {
  40         fprintf(stdout, "%lf ", x1[i]);
  41         if (j%80 == 20) fprintf(stdout, "\n");
  42     }
  43     fprintf(stdout, "\n");
  44     for (i=0; i<N; i++) {
  45         fprintf(stdout, "%lf ", x2[i]);
  46         if (j%80 == 20) fprintf(stdout, "\n");
  47     }
  48     fprintf(stdout, "\n");
  49 }