slepc-3.20.1 2023-11-27
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EPSSetOptionsPrefix

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

Synopsis

#include "slepceps.h" 
PetscErrorCode EPSSetOptionsPrefix(EPS eps,const char *prefix)
Logically Collective

Input Parameters

eps  - the eigensolver context
prefix  - the prefix string to prepend to all EPS 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 EPS contexts, one could call

      EPSSetOptionsPrefix(eps1,"eig1_")
      EPSSetOptionsPrefix(eps2,"eig2_")

See Also

EPSAppendOptionsPrefix(), EPSGetOptionsPrefix()

Level

advanced

Location

src/eps/interface/epsopts.c

Index of all EPS routines
Table of Contents for all manual pages
Index of all manual pages