slepc-3.20.1 2023-11-27
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# SVDAppendOptionsPrefix

Appends to the prefix used for searching for all SVD options in the database.

### Synopsis

    #include "slepcsvd.h"
    PetscErrorCode SVDAppendOptionsPrefix(SVD svd,const char *prefix)

Logically Collective

### Input Parameters

| svd | - the singular value solver context
| prefix | - the prefix string to prepend to all SVD 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

SVDSetOptionsPrefix(), SVDGetOptionsPrefix()

### Level

advanced

### Location

src/svd/interface/svdopts.c
Index of all SVD routines
Table of Contents for all manual pages
Index of all manual pages