slepc-3.22.1 2024-10-28
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# EPSIsStructured

Ask if the EPS object corresponds to a structured eigenvalue problem.

### Synopsis

    #include "slepceps.h"
    PetscErrorCode EPSIsStructured(EPS eps,PetscBool* is)

Not Collective

### Input Parameter

| eps | - the eigenproblem solver context

### Output Parameter

| is | - the answer

### Note

The result will be true if the problem type has been set to some structured type such as EPS_BSE. This is independent of whether the input matrix has been built with a certain structure with a helper function.

### See Also

EPSIsGeneralized(), EPSIsHermitian(), EPSIsPositive(), EPSSetProblemType()

### Level

intermediate

### Location

src/eps/interface/epsbasic.c
Index of all EPS routines
Table of Contents for all manual pages
Index of all manual pages