petsc-3.6.2 2015-10-02
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# PetscOptionsGetEList

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

### Synopsis

    #include "petscsys.h"
    PetscErrorCode  PetscOptionsGetEList(const char pre[],const char opt[],const char * const *list,PetscInt ntext,PetscInt *value,PetscBool  *set)

Not Collective

### Input Parameters

| pre | - the string to prepend to the name or NULL
| opt | - option name
| list | - the possible choices (one of these must be selected, anything else is invalid)
| ntext | - number of choices

### Output Parameter

| value | - the index of the value to return (defaults to zero if the option name is given but choice is listed)
| set | - PETSC_TRUE if found, else PETSC_FALSE

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(), PetscOptionsEList()

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