petsc-dev 2014-07-24
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MatMPIAdjSetPreallocation

Sets the array used for storing the matrix elements

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatMPIAdjSetPreallocation(Mat B,PetscInt *i,PetscInt *j,PetscInt *values)
Logically Collective on MPI_Comm

Input Parameters

A - the matrix
i - the indices into j for the start of each row
j - the column indices for each row (sorted for each row). The indices in i and j start with zero (NOT with one).
values - [optional] edge weights

See Also

MatCreate(), MatCreateMPIAdj(), MatSetValues()

Level:intermediate
Location:
src/mat/impls/adj/mpi/mpiadj.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages