slepc-3.6.3 2016-03-29
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# FNGetOptionsPrefix

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

### Synopsis

    #include "slepcfn.h"
    PetscErrorCode FNGetOptionsPrefix(FN fn,const char *prefix[])

Not Collective

### Input Parameters

fn - the math function context

### Output Parameters

prefix - pointer to the prefix string used is returned

Notes: On the fortran side, the user should pass in a string 'prefix' of sufficient length to hold the prefix.

### See Also

FNSetOptionsPrefix(), FNAppendOptionsPrefix()

Location: src/sys/classes/fn/interface/fnbasic.c
Index of all FN routines
Table of Contents for all manual pages
Index of all manual pages