petsc-master 2020-10-29
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MatIsShell

Inquires if a matrix is derived from MATSHELL

Synopsis

#include "petscmat.h" 
PetscErrorCode MatIsShell(Mat mat, PetscBool *flg)

Input Parameter

mat - the matrix

Output Parameter

flg - the boolean value

Notes: in the future, we should allow the object type name to be changed still using the MatShell data structure for other matrices (i.e. MATTRANSPOSEMAT, MATSCHURCOMPLEMENT etc)

See Also

MatCreateShell()

Level

developer

Location

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