petsc-3.12.5 2020-03-29
PetscOptionsFindPair
Gets an option name-value pair from the options database.
Synopsis
#include "petscsys.h"
PetscErrorCode PetscOptionsFindPair(PetscOptions options,const char pre[],const char name[],const char *value[],PetscBool *set)
Not Collective
Input Parameters
| options | - options database, use NULL for the default global database
|
| pre | - the string to prepend to the name or NULL, this SHOULD NOT have the "-" prepended
|
| name | - name of option, this SHOULD have the "-" prepended
|
Output Parameters
| value | - the option value (optional, not used for all options)
|
| set | - whether the option is set (optional)
|
Notes
Each process may find different values or no value depending on how options were inserted into the database
See Also
PetscOptionsSetValue(), PetscOptionsClearValue()
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