MatIsStructurallySymmetric

Test whether a matrix is structurally symmetric

#include "petscmat.h" 
PetscErrorCode  MatIsStructurallySymmetric(Mat A,PetscTruth *flg)

Collective on Mat

A -the matrix to test

flg -the result

PetscTruth MatIsStructurallySymmetric(Mat A)

MatIsStructurallySymmetric(A,&t); return t;