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: }