slepc-3.16.1 2021-11-17
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PEPSetOptionsPrefix

Sets the prefix used for searching for all PEP options in the database.

Synopsis

#include "slepcpep.h" 
PetscErrorCode PEPSetOptionsPrefix(PEP pep,const char *prefix)
Logically Collective on pep

Input Parameters

pep  - the polynomial eigensolver context
prefix  - the prefix string to prepend to all PEP option requests

Notes

A hyphen (-) must NOT be given at the beginning of the prefix name. The first character of all runtime options is AUTOMATICALLY the hyphen.

For example, to distinguish between the runtime options for two different PEP contexts, one could call

      PEPSetOptionsPrefix(pep1,"qeig1_")
      PEPSetOptionsPrefix(pep2,"qeig2_")

See Also

PEPAppendOptionsPrefix(), PEPGetOptionsPrefix()

Location: src/pep/interface/pepopts.c
Index of all PEP routines
Table of Contents for all manual pages
Index of all manual pages