petsc-3.4.5 2014-06-29

MatSeqBAIJSetPreallocationCSR

 Allocates memory for a sparse sequential matrix in AIJ format (the default sequential PETSc format).

Synopsis

#include "petscmat.h"  
PetscErrorCode  MatSeqBAIJSetPreallocationCSR(Mat B,PetscInt bs,const PetscInt i[],const PetscInt j[], const PetscScalar v[])
Collective on MPI_Comm

Input Parameters

A - the matrix
i - the indices into j for the start of each local row (starts with zero)
j - the column indices for each local row (starts with zero) these must be sorted for each row
v - optional values in the matrix

Keywords

matrix, aij, compressed row, sparse

See Also

MatCreate(), MatCreateSeqBAIJ(), MatSetValues(), MatSeqBAIJSetPreallocation(), MATSEQBAIJ

Level:developer
Location:src/mat/impls/baij/seq/baij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages