slepc-main 2024-12-17

PEPSetStoppingTestFunction

Sets a function to decide when to stop the outer iteration of the eigensolver.

Synopsis

#include "slepcpep.h" 
PetscErrorCode PEPSetStoppingTestFunction(PEP pep,PEPStoppingTestFn *stop,void* ctx,PetscCtxDestroyFn *destroy)

Logically Collective

Input Parameters

	pep	- eigensolver context obtained from PEPCreate()
	stop	- stopping test function, see PEPStoppingTestFn for the calling sequence
	ctx	- context for private data for the stopping routine (may be NULL)
	destroy	- a routine for destroying the context (may be NULL), see PetscCtxDestroyFn for the calling sequence

Note

Normal usage is to first call the default routine PEPStoppingBasic() and then set reason to PEP_CONVERGED_USER if some user-defined conditions have been met. To let the eigensolver continue iterating, the result must be left as PEP_CONVERGED_ITERATING.

Level

advanced

Location