slepc-3.18.2 2023-01-26
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# NEPCISSGetThreshold

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

### Synopsis

    #include "slepcnep.h"
    PetscErrorCode NEPCISSGetThreshold(NEP nep,PetscReal *delta,PetscReal *spur)

Not Collective

### Input Parameter

| nep | - the nonlinear eigensolver context

### Output Parameters

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

### See Also

NEPCISSSetThreshold()

### Level

advanced

### Location

src/nep/impls/ciss/nciss.c
Index of all NEP routines
Table of Contents for all manual pages
Index of all manual pages