slepc-3.18.1 2022-11-02
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# EPSCISSGetThreshold

Gets the values of various threshold parameters in the CISS solver.

### Synopsis

    #include "slepceps.h"
    PetscErrorCode EPSCISSGetThreshold(EPS eps,PetscReal *delta,PetscReal *spur)

Not Collective

### Input Parameter

| eps | - the eigenproblem solver context

### Output Parameters

| delta | - threshold for numerical rank
| spur | - spurious threshold (to discard spurious eigenpairs)

### See Also

EPSCISSSetThreshold()

### Level

advanced

### Location

src/eps/impls/ciss/ciss.c
Index of all EPS routines
Table of Contents for all manual pages
Index of all manual pages