petsc-3.14.6 2021-03-30

MatGetOption

Gets a parameter option that has been set for a matrix.

#include "petscmat.h" 
PetscErrorCode MatGetOption(Mat mat,MatOption op,PetscBool *flg)

Logically Collective on Mat for certain operations, such as MAT_SPD, not collective for MAT_ROW_ORIENTED, see MatOption

	mat	- the matrix
	option	- the option, this only responds to certain options, check the code for which ones

flg

- turn the option on (PETSC_TRUE) or off (PETSC_FALSE)

Can only be called after MatSetSizes() and MatSetType() have been set.

intermediate