petsc-3.10.5 2019-03-28
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# PetscOptionsClear

Removes all options form the database leaving it empty.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode PetscOptionsClear(PetscOptions options)

### Input Parameters

options -options database, use NULL for the default global database

### See Also

PetscOptionsInsert()

### Level

developer

### Location

src/sys/objects/options.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages