petsc-3.9.4 2018-09-11
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PetscOptionsClearValue

 Clears an option name-value pair in the options database, overriding whatever is already present.

Synopsis

#include "petscsys.h"   
PetscErrorCode  PetscOptionsClearValue(PetscOptions options,const char iname[])
Not Collective, but setting values on certain processors could cause problems for parallel objects looking for options.

Input Parameter

See Also

PetscOptionsInsert()

Level

intermediate

Location

src/sys/objects/options.c

Examples

src/snes/examples/tutorials/ex56.c.html
src/ts/examples/tutorials/ex48.c.html

Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages
options - options database, use NULL for the default global database
name - name of option, this SHOULD have the - prepended