petsc-3.5.0 2014-06-30
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MatGetOwnershipRanges

Returns the range of matrix rows owned by each process

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatGetOwnershipRanges(Mat mat,const PetscInt **ranges)
Not Collective, unless matrix has not been allocated, then collective on Mat

Input Parameters

mat -the matrix

Output Parameters

ranges -start of each processors portion plus one more then the total length at the end

See Also

MatGetOwnershipRange(), MatGetOwnershipRangeColumn(), MatGetOwnershipRangesColumn()

Level:beginner
Location:
src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages