NEPCISSSetThreshold#
Sets the values of various threshold parameters in the CISS solver.
Synopsis#
#include "slepcnep.h"
PetscErrorCode NEPCISSSetThreshold(NEP nep,PetscReal delta,PetscReal spur)
Logically Collective
Input Parameters#
nep - the nonlinear eigensolver context
delta - threshold for numerical rank
spur - spurious threshold (to discard spurious eigenpairs)
Options Database Keys#
-nep_ciss_delta - Sets the delta
-nep_ciss_spurious_threshold - Sets the spurious threshold
Note#
PETSC_CURRENT can be used to preserve the current value of any of the arguments, and PETSC_DETERMINE to set them to a default value.
See Also#
Level#
advanced
Location#
Implementations#
NEPCISSSetThreshold_CISS() in src/nep/impls/ciss/nciss.c
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