PetscOptionsGetEnumArray#

Gets an array of enum values for a particular option in the database.

Synopsis#

#include "petscsys.h"   
PetscErrorCode PetscOptionsGetEnumArray(PetscOptions options, const char pre[], const char name[], const char *const *list, PetscEnum ivalue[], PetscInt *nmax, PetscBool *set)

Not Collective

Input Parameters#

  • options - options database, use NULL for default global database

  • pre - option prefix or NULL

  • name - option name

  • list - array containing the list of choices, followed by the enum name, followed by the enum prefix, followed by a null

Output Parameters#

  • ivalue - the enum values to return

  • nmax - On input maximum number of values to retrieve, on output the actual number of values retrieved

  • set - PETSC_TRUE if found, else PETSC_FALSE

Notes#

The array must be passed as a comma separated list.

There must be no intervening spaces between the values.

list is usually something like PCASMTypes or some other predefined list of enum names.

See Also#

PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(), PetscOptionsGetEnum(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool() PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHeadBegin(), PetscOptionsStringArray(), PetscOptionsRealArray(), PetscOptionsScalar(), PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(), PetscOptionsFList(), PetscOptionsEList(), PetscOptionsGetEList(), PetscOptionsEnum()

Level#

beginner

Location#

src/sys/objects/options.c

Examples#

src/ts/tutorials/ex18.c

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