petsc-3.7.3 2016-07-24
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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
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Index of all manual pages