PetscOptionsGetIntArray

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

Synopsis

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

Not Collective

Input Parameters

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

• pre - string to prepend to each name or NULL

• name - the option one is seeking

Output Parameters

• ivalue - the integer 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 can be passed as

• a comma separated list - 0,1,2,3,4,5,6,7

• a range (start-end+1) - 0-8

• a range with given increment (start-end+1:inc) - 0-7:2

• a combination of values and ranges separated by commas - 0,1-8,8-15:2

There must be no intervening spaces between the values.

See Also

PetscOptionsGetInt(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetRealArray(), PetscOptionsBool(), PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHeadBegin(), PetscOptionsStringArray(), PetscOptionsRealArray(), PetscOptionsScalar(), PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(), PetscOptionsFList(), PetscOptionsEList()

Level

beginner

Location

src/sys/objects/options.c

Examples

src/ksp/ksp/tutorials/ex81.c
src/dm/impls/swarm/tutorials/ex1.c
src/mat/tutorials/ex17f.F90
src/ksp/ksp/tutorials/ex73.c

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