STFilterGetThreshold#

Gets the threshold value gamma such that rho(lambda)>=gamma for eigenvalues lambda inside the wanted interval and rho(lambda)<gamma for those outside.

Synopsis#

#include "slepcst.h" 
PetscErrorCode STFilterGetThreshold(ST st,PetscReal *gamma)

Not Collective

Input Parameter#

  • st - the spectral transformation context

Output Parameter#

  • gamma - the threshold value

See Also#

STFilterGetRange()

Level#

developer

Location#

src/sys/classes/st/impls/filter/filter.c

Implementations#

STFilterGetThreshold_Filter() in src/sys/classes/st/impls/filter/filter.c


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