DSGetOptionsPrefix#

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

Synopsis#

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

Not Collective

Input Parameters#

  • ds - the direct solver context

Output Parameters#

  • prefix - pointer to the prefix string used is returned

Note#

On the Fortran side, the user should pass in a string ‘prefix’ of sufficient length to hold the prefix.

See Also#

DSSetOptionsPrefix(), DSAppendOptionsPrefix()

Level#

advanced

Location#

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

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