Exemplos de addeval_h2matrix_avector em C++ (Cpp)

Exemplo n.º 1

Arquivo: test_helmholtzbem3d_ocl.c Projeto: c1887/H2Lib

void
addeval_A(field alpha, void *matrix, pcavector x, pavector y)
{
  struct _eval_A *eval = (struct _eval_A *) matrix;

  field     beta;

  beta = -I * alpha * eval->eta;

  switch (eval->KMtype) {
  case AMATRIX:
    addeval_amatrix_avector(alpha, (pamatrix) eval->KM, x, y);
    break;
  case HMATRIX:
    addeval_hmatrix_avector(alpha, (phmatrix) eval->KM, x, y);
    break;
  case H2MATRIX:
    addeval_h2matrix_avector(alpha, (ph2matrix) eval->KM, x, y);
    break;
  default:
    printf("ERROR: unknown matrix type!\n");
    abort();
    break;
  }

  switch (eval->Vtype) {
  case AMATRIX:
    addeval_amatrix_avector(beta, (pamatrix) eval->V, x, y);
    break;
  case HMATRIX:
    addeval_hmatrix_avector(beta, (phmatrix) eval->V, x, y);
    break;
  case H2MATRIX:
    addeval_h2matrix_avector(beta, (ph2matrix) eval->V, x, y);
    break;
  default:
    printf("ERROR: unknown matrix type!\n");
    abort();
    break;
  }
}

Exemplo n.º 2

Arquivo: test_laplacebem2d.c Projeto: c-abird/H2Lib

static void
test_h2matrix_system(const char *apprxtype, pcamatrix Vfull,
		     pcamatrix KMfull, pblock block, pbem2d bem_slp,
		     ph2matrix V, pbem2d bem_dlp, ph2matrix KM, bool exterior)
{
  pavector  x, b;
  real      errorV, errorKM, error_solve, eps_solve;
  uint      steps;

  eps_solve = 1.0e-12;
  steps = 1000;

  printf("Testing: %s H2matrix %s\n"
	 "====================================\n\n",
	 (exterior == true ? "exterior" : "interior"), apprxtype);

  assemble_bem2d_h2matrix_row_clusterbasis(bem_slp, V->rb);
  assemble_bem2d_h2matrix_col_clusterbasis(bem_slp, V->cb);
  assemble_bem2d_h2matrix(bem_slp, block, V);

  assemble_bem2d_h2matrix_row_clusterbasis(bem_dlp, KM->rb);
  assemble_bem2d_h2matrix_col_clusterbasis(bem_dlp, KM->cb);
  assemble_bem2d_h2matrix(bem_dlp, block, KM);

  errorV = norm2diff_amatrix_h2matrix(V, Vfull) / norm2_amatrix(Vfull);
  printf("rel. error V       : %.5e\n", errorV);
  errorKM = norm2diff_amatrix_h2matrix(KM, KMfull) / norm2_amatrix(KMfull);
  printf("rel. error K%c0.5*M : %.5e\n", (exterior == true ? '-' : '+'),
	 errorKM);

  x = new_avector(Vfull->rows);
  b = new_avector(KMfull->cols);

  printf("Solving Dirichlet problem:\n");

  projectl2_bem2d_const_avector(bem_dlp,
				eval_dirichlet_quadratic_laplacebem2d, x);
  clear_avector(b);
  addeval_h2matrix_avector(1.0, KM, x, b);

  solve_cg_bem2d(H2MATRIX, V, b, x, eps_solve, steps);
  if (exterior == true) {
    scale_avector(-1.0, x);
  }

  error_solve = L2gamma_c_diff_norm2(bem_slp, x,
				     eval_neumann_quadratic_laplacebem2d);

  clear_avector(x);
  error_solve = error_solve
    / L2gamma_c_diff_norm2(bem_slp, x, eval_neumann_quadratic_laplacebem2d);

  printf("rel. error neumann : %.5e       %s\n", error_solve,
	 (IS_IN_RANGE(3.0e-3, error_solve, 4.0e-3) ? "    okay" :
	  "NOT okay"));

  if (!IS_IN_RANGE(3.0e-3, error_solve, 4.0e-3))
    problems++;

  printf("\n");

  del_avector(x);
  del_avector(b);
}