src/test/bump2D.c

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#include "saint-venant.h"

  int LEVEL = 7;

  int main (int argc, char * argv[])
  {
    if (argc > 1)
      LEVEL = atoi (argv[1]);
    origin (-0.5, -0.5);
    init_grid (1 << LEVEL);
    run();
  }

  event init (i = 0)
  {
    foreach()
      h[] = 0.1 + 1.*exp(-200.*(x*x + y*y));
  }

  event logfile (i++) {
    stats s = statsf (h);
    fprintf (ferr, "%g %d %g %g %.8f\n", t, i, s.min, s.max, s.sum);
  }

  event outputfile (t <= 2.5; t += 2.5/8) {
  #if !_MPI
    static int nf = 0;
    printf ("file: eta-%d\n", nf);
    output_field ({eta}, linear = true);

    scalar l[];
    foreach()
      l[] = level;
    printf ("file: level-%d\n", nf++);
    output_field ({l});

    /* check symmetry */
    foreach() {
      double h0 = h[];
      point = locate (-x, -y);
      //    printf ("%g %g %g %g %g\n", x, y, h0, h[], h0 - h[]);
      assert (fabs(h0 - h[]) < 1e-12);
      point = locate (-x, y);
      assert (fabs(h0 - h[]) < 1e-12);
      point = locate (x, -y);
      assert (fabs(h0 - h[]) < 1e-12);
    }
  #endif
  }

  #if _MPI
  event image(i++)
  {
    scalar pid[];
    foreach()
      pid[] = pid();
    static FILE * fp = fopen ("pid", "w");
    output_ppm (pid, fp, min = 0, max = npe() - 1);
  }
  #endif

  event adapt (i++) {
    astats s = adapt_wavelet ({h}, (double[]){1e-3}, LEVEL);
    fprintf (ferr, "# refined %d cells, coarsened %d cells\n", s.nf, s.nc);
  }