Example #1
0
PetscErrorCode MatPartitioningSetFromOptions_Chaco(MatPartitioning part)
{
  PetscErrorCode        ierr;
  PetscInt              i;
  PetscReal             r;
  PetscBool             flag;
  MatPartitioning_Chaco *chaco = (MatPartitioning_Chaco*)part->data;
  MPChacoGlobalType     global;
  MPChacoLocalType      local;
  MPChacoEigenType      eigen;

  PetscFunctionBegin;
  ierr = PetscOptionsHead("Chaco partitioning options");CHKERRQ(ierr);
  ierr = PetscOptionsEnum("-mat_partitioning_chaco_global","Global method","MatPartitioningChacoSetGlobal",MPChacoGlobalTypes,(PetscEnum)chaco->global_method,(PetscEnum*)&global,&flag);CHKERRQ(ierr);
  if (flag) { ierr = MatPartitioningChacoSetGlobal(part,global);CHKERRQ(ierr); }
  ierr = PetscOptionsEnum("-mat_partitioning_chaco_local","Local method","MatPartitioningChacoSetLocal",MPChacoLocalTypes,(PetscEnum)chaco->local_method,(PetscEnum*)&local,&flag);CHKERRQ(ierr);
  if (flag) { ierr = MatPartitioningChacoSetLocal(part,local);CHKERRQ(ierr); }
  ierr = PetscOptionsReal("-mat_partitioning_chaco_coarse","Coarse level","MatPartitioningChacoSetCoarseLevel",0.0,&r,&flag);CHKERRQ(ierr);
  if (flag) { ierr = MatPartitioningChacoSetCoarseLevel(part,r);CHKERRQ(ierr); }
  ierr = PetscOptionsEnum("-mat_partitioning_chaco_eigen_solver","Eigensolver method","MatPartitioningChacoSetEigenSolver",MPChacoEigenTypes,(PetscEnum)chaco->eigen_method,(PetscEnum*)&eigen,&flag);CHKERRQ(ierr);
  if (flag) { ierr = MatPartitioningChacoSetEigenSolver(part,eigen);CHKERRQ(ierr); }
  ierr = PetscOptionsReal("-mat_partitioning_chaco_eigen_tol","Eigensolver tolerance","MatPartitioningChacoSetEigenTol",chaco->eigtol,&r,&flag);CHKERRQ(ierr);
  if (flag) { ierr = MatPartitioningChacoSetEigenTol(part,r);CHKERRQ(ierr); }
  ierr = PetscOptionsInt("-mat_partitioning_chaco_eigen_number","Number of eigenvectors: 1, 2, or 3 (bi-, quadri-, or octosection)","MatPartitioningChacoSetEigenNumber",chaco->eignum,&i,&flag);CHKERRQ(ierr);
  if (flag) { ierr = MatPartitioningChacoSetEigenNumber(part,i);CHKERRQ(ierr); }
  ierr = PetscOptionsBool("-mat_partitioning_chaco_verbose","Show library output","",chaco->verbose,&chaco->verbose,NULL);CHKERRQ(ierr);
  ierr = PetscOptionsTail();CHKERRQ(ierr);
  PetscFunctionReturn(0);
}
Example #2
0
void PETSC_STDCALL   matpartitioningchacoseteigensolver_(MatPartitioning part,
    MPChacoEigenType *method, int *__ierr ){
*__ierr = MatPartitioningChacoSetEigenSolver(
	(MatPartitioning)PetscToPointer((part) ),*method);
}