petsc-3.14.6 2021-03-30

MatPartitioningSetVertexWeights

Sets the weights for vertices for a partitioning.

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatPartitioningSetVertexWeights(MatPartitioning part,const PetscInt weights[])

Logically Collective on Partitioning

Input Parameters

	part	- the partitioning context
	weights	- the weights, on each process this array must have the same size as the number of local rows

Notes

The array weights is freed by PETSc so the user should not free the array. In C/C++ the array must be obtained with a call to PetscMalloc(), not malloc().

Level

beginner

Location

src/mat/partition/partition.c

Examples

src/mat/tutorials/ex15.c.html

Index of all MatOrderings routines
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Index of all manual pages