petsc-master 2020-10-29
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MatKAIJGetTRead

Get a read-only pointer to the transformation matrix T associated with the KAIJ matrix

Synopsis

#include "petscmat.h" 
PetscErrorCode MatKAIJGetTRead(Mat A,PetscInt *m,PetscInt *n,const PetscScalar **T)
Not Collective; the entire T is stored and returned independently on all processes

Input Parameter

A - the KAIJ matrix

Output Parameter

m - the number of rows in T
n - the number of columns in T
T - the T matrix, in form of a scalar array in column-major format

Note: All output parameters are optional (pass NULL or PETSC_IGNORE if not desired)

See Also

MatCreateKAIJ(), MatGetBlockSizes()

Level

advanced

Location

src/mat/impls/kaij/kaij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages