petsc-3.10.5 2019-03-28
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# MatIsStructurallySymmetric

Test whether a matrix is structurally symmetric

### Synopsis

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

Collective on Mat

### Input Parameter

A -the matrix to test

### Output Parameters

flg -the result

### See Also

MatTranspose(), MatIsTranspose(), MatIsHermitian(), MatIsSymmetric(), MatSetOption()

### Level

intermediate

### Location

src/mat/interface/matrix.c

### Implementations

MatIsStructurallySymmetric_IS in src/mat/impls/is/matis.c
MatIsStructurallySymmetric_SeqSBAIJ in src/mat/impls/sbaij/seq/sbaij.c
Index of all Mat routines
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Index of all manual pages