Date: 2026-03-31T05:46:18+00:00

Actual source code: sregis.c

      1: #include <petsc/private/matimpl.h>

      3: PETSC_INTERN PetscErrorCode MatGetOrdering_Natural(Mat, MatOrderingType, IS *, IS *);
      4: PETSC_INTERN PetscErrorCode MatGetOrdering_ND(Mat, MatOrderingType, IS *, IS *);
      5: PETSC_INTERN PetscErrorCode MatGetOrdering_1WD(Mat, MatOrderingType, IS *, IS *);
      6: PETSC_INTERN PetscErrorCode MatGetOrdering_QMD(Mat, MatOrderingType, IS *, IS *);
      7: PETSC_INTERN PetscErrorCode MatGetOrdering_RCM(Mat, MatOrderingType, IS *, IS *);
      8: PETSC_INTERN PetscErrorCode MatGetOrdering_RowLength(Mat, MatOrderingType, IS *, IS *);
      9: PETSC_INTERN PetscErrorCode MatGetOrdering_DSC(Mat, MatOrderingType, IS *, IS *);
     10: PETSC_INTERN PetscErrorCode MatGetOrdering_WBM(Mat, MatOrderingType, IS *, IS *);
     11: PETSC_INTERN PetscErrorCode MatGetOrdering_Spectral(Mat, MatOrderingType, IS *, IS *);
     12: #if defined(PETSC_HAVE_SUITESPARSE)
     13: PETSC_INTERN PetscErrorCode MatGetOrdering_AMD(Mat, MatOrderingType, IS *, IS *);
     14: #endif
     15: #if defined(PETSC_HAVE_METIS)
     16: PETSC_INTERN PetscErrorCode MatGetOrdering_METISND(Mat, MatOrderingType, IS *, IS *);
     17: #endif

     19: /*@C
     20:   MatOrderingRegisterAll - Registers all of the matrix
     21:   reordering routines in PETSc.

     23:   Not Collective

     25:   Level: developer

     27:   Notes:
     28:   To add a new method to the registry. Copy this routine and
     29:   modify it to incorporate a call to `MatReorderRegister()` for
     30:   the new method, after the current list.

     32:   To prevent all of the methods from being
     33:   registered and thus save memory, copy this routine and comment out
     34:   those orderigs you do not wish to include.  Make sure that the
     35:   replacement routine is linked before libpetscmat.a.

     37: .seealso: `MatOrderingType`, `MatOrderingRegister()`
     38: @*/
     39: PetscErrorCode MatOrderingRegisterAll(void)
     40: {
     41:   PetscFunctionBegin;
     42:   if (MatOrderingRegisterAllCalled) PetscFunctionReturn(PETSC_SUCCESS);
     43:   MatOrderingRegisterAllCalled = PETSC_TRUE;

     45:   PetscCall(MatOrderingRegister(MATORDERINGNATURAL, MatGetOrdering_Natural));
     46:   PetscCall(MatOrderingRegister(MATORDERINGND, MatGetOrdering_ND));
     47:   PetscCall(MatOrderingRegister(MATORDERING1WD, MatGetOrdering_1WD));
     48:   PetscCall(MatOrderingRegister(MATORDERINGRCM, MatGetOrdering_RCM));
     49:   PetscCall(MatOrderingRegister(MATORDERINGQMD, MatGetOrdering_QMD));
     50:   PetscCall(MatOrderingRegister(MATORDERINGROWLENGTH, MatGetOrdering_RowLength));
     51: #if defined(PETSC_HAVE_SUPERLU_DIST)
     52:   PetscCall(MatOrderingRegister(MATORDERINGWBM, MatGetOrdering_WBM));
     53: #endif
     54:   PetscCall(MatOrderingRegister(MATORDERINGSPECTRAL, MatGetOrdering_Spectral));
     55: #if defined(PETSC_HAVE_SUITESPARSE)
     56:   PetscCall(MatOrderingRegister(MATORDERINGAMD, MatGetOrdering_AMD));
     57: #endif
     58: #if defined(PETSC_HAVE_METIS)
     59:   PetscCall(MatOrderingRegister(MATORDERINGMETISND, MatGetOrdering_METISND));
     60: #endif
     61:   PetscFunctionReturn(PETSC_SUCCESS);
     62: }