DSSetOptionsPrefix#

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

Synopsis#

#include "slepcds.h" 
PetscErrorCode DSSetOptionsPrefix(DS ds,const char prefix[])

Logically Collective

Input Parameters#

  • ds - the direct solver context

  • prefix - the prefix string to prepend to all DS 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.

See Also#

DS: Direct Solver (or Dense System), DSAppendOptionsPrefix()

Level#

advanced

Location#

src/sys/classes/ds/interface/dsbasic.c

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