petsc-master 2020-11-28
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MatScaLAPACKGetBlockSizes

Gets the block sizes used in the distibution of the ScaLAPACK matrix

Synopsis

#include "petscmat.h" 
PetscErrorCode MatScaLAPACKGetBlockSizes(Mat A,PetscInt *mb,PetscInt *nb)
Not collective

Input Parameter

A - a MATSCALAPACK matrix

Output Parameters

mb - the row block size
nb - the column block size

See Also

MatCreateScaLAPACK(), MatScaLAPACKSetBlockSizes()

Level

intermediate

Location

src/mat/impls/scalapack/matscalapack.c

Implementations

MatScaLAPACKGetBlockSizes_ScaLAPACK in src/mat/impls/scalapack/matscalapack.c

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Index of all manual pages