petsc-master 2014-09-16
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PetscOptionsEList

Puts a list of option values that a single one may be selected from

Synopsis

#include "petscsys.h"   
PetscErrorCode  PetscOptionsEList(const char opt[],const char ltext[],const char man[],const char *const *list,PetscInt ntext,const char defaultv[],PetscInt *value,PetscBool  *set)
Logically Collective on the communicator passed in PetscOptionsBegin()

Input Parameters

opt - option name
ltext - short string that describes the option
man - manual page with additional information on option
list - the possible choices (one of these must be selected, anything else is invalid)
ntext - number of choices
defaultv - the default (current) value, if the user does not provide a value the index of defaultv is returned

Output Parameter

value - the index of the value to return
set - PETSC_TRUE if found, else PETSC_FALSE

Notes: Must be between a PetscOptionsBegin() and a PetscOptionsEnd()

See PetscOptionsFList() for when the choices are given in a PetscFunctionList()

See Also

PetscOptionsGetInt(), PetscOptionsGetReal(),
PetscOptionsHasName(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool(), PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(), PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(), PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(), PetscOptionsFList(), PetscOptionsEnum()

Level:intermediate
Location:
src/sys/objects/aoptions.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/ksp/ksp/examples/tutorials/ex29.c.html
src/ksp/ksp/examples/tutorials/ex32.c.html
src/snes/examples/tutorials/ex12.c.html
src/snes/examples/tutorials/ex62.c.html