PETSc version 3.17.5
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PetscSFNode

specifier of owner and index

Synopsis

typedef struct {
  PetscInt rank;                /* Rank of owner */
  PetscInt index;               /* Index of node on rank */
} PetscSFNode;

Sample Usage

     PetscSFNode    *remote;
   PetscCall(PetscMalloc1(nleaves,&remote));
   for (i=0; i<size; i++) {
     remote[i].rank = i;
     remote[i].index = rank;
   }

Sample Fortran Usage

    type(PetscSFNode) remote(6)
     remote(1)%rank  = modulo(rank+size-1,size)
     remote(1)%index = 1 * stride

See Also

PetscSFSetGraph()

Level

beginner

Location

src/vec/is/sf/../../../../include/petscsftypes.h

Examples

src/vec/is/sf/tutorials/ex1f.F90.html

Index of all PetscSF routines
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