petsc-3.12.5 2020-03-29
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MatISFixLocalEmpty

Compress out zero local rows from the local matrices

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatISFixLocalEmpty(Mat A, PetscBool fix)
Collective

Input Parameters

A - the matrix
fix - the boolean flag

Notes: When fix is true, new local matrices and l2g maps are generated during the final assembly process.

See Also

MatCreate(), MatCreateIS(), MatISSetPreallocation(), MatAssemblyEnd(), MAT_FINAL_ASSEMBLY

Level

advanced

Location

src/mat/impls/is/matis.c

Implementations

MatISFixLocalEmpty_IS in src/mat/impls/is/matis.c

Index of all Mat routines
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Index of all manual pages