Actual source code: zdaf.c

  1: #include <petsc/private/fortranimpl.h>
  2: #include <petsc/private/dmdaimpl.h>

  4: #if defined(PETSC_HAVE_FORTRAN_CAPS)
  5:   #define dmdagetownershipranges_ DMDAGETOWNERSHIPRANGES
  6:   #define dmdagetneighbors_       DMDAGETNEIGHBORS
  7: #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
  8:   #define dmdagetownershipranges_ dmdagetownershipranges
  9:   #define dmdagetneighbors_       dmdagetneighbors
 10: #endif

 12: PETSC_EXTERN void dmdagetneighbors_(DM *da, PetscMPIInt *ranks, PetscErrorCode *ierr)
 13: {
 14:   const PetscMPIInt *r;
 15:   PetscInt           n, dim;

 17:   *ierr = DMDAGetNeighbors(*da, &r);
 18:   if (*ierr) return;
 19:   *ierr = DMGetDimension(*da, &dim);
 20:   if (*ierr) return;
 21:   if (dim == 2) n = 9;
 22:   else n = 27;
 23:   *ierr = PetscArraycpy(ranks, r, n);
 24: }

 26: PETSC_EXTERN void dmdagetownershipranges_(DM *da, PetscInt lx[], PetscInt ly[], PetscInt lz[], PetscErrorCode *ierr)
 27: {
 28:   const PetscInt *gx, *gy, *gz;
 29:   PetscInt        M, N, P, i;

 31:   CHKFORTRANNULLINTEGER(lx);
 32:   CHKFORTRANNULLINTEGER(ly);
 33:   CHKFORTRANNULLINTEGER(lz);
 34:   *ierr = DMDAGetInfo(*da, NULL, NULL, NULL, NULL, &M, &N, &P, NULL, NULL, NULL, NULL, NULL, NULL);
 35:   if (*ierr) return;
 36:   *ierr = DMDAGetOwnershipRanges(*da, &gx, &gy, &gz);
 37:   if (*ierr) return;
 38:   if (lx) {
 39:     for (i = 0; i < M; i++) lx[i] = gx[i];
 40:   }
 41:   if (ly) {
 42:     for (i = 0; i < N; i++) ly[i] = gy[i];
 43:   }
 44:   if (lz) {
 45:     for (i = 0; i < P; i++) lz[i] = gz[i];
 46:   }
 47: }