#include "petscmesh.h" #include "petscmat.h" PetscErrorCode PETSCDM_DLLEXPORT MeshSetPreallocation(Mesh mesh,PetscInt d_nz,const PetscInt d_nnz[],PetscInt o_nz,const PetscInt o_nnz[])Not Collective
mesh | - the Mesh object | |
d_nz | - maximum number of nonzeros in any row of diagonal block | |
d_nnz | - number of nonzeros in each row of diagonal block | |
o_nz | - maximum number of nonzeros in any row of off-diagonal block | |
o_nnz | - number of nonzeros in each row of off-diagonal block |