PetscOptionsRealArray#

Gets an array of double values for a particular option in the database. The values must be separated with commas with no intervening spaces.

Synopsis#

#include <petscoptions.h>
PetscErrorCode PetscOptionsRealArray(const char opt[], const char text[], const char man[], PetscReal value[], PetscInt *n, PetscBool *set)

Logically Collective on the communicator passed in PetscOptionsBegin()

Input Parameters#

  • opt - the option one is seeking

  • text - short string describing option

  • man - manual page for option

  • n - maximum number of values that value has room for

Output Parameters#

  • value - location to copy values

  • n - actual number of values found

  • set - PETSC_TRUE if found, else PETSC_FALSE

Note#

Must be used between a PetscOptionsBegin() and a PetscOptionsEnd()

See Also#

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

Level#

beginner

Location#

include/petscoptions.h

Examples#

src/ts/tutorials/ex11_sa.c
src/ts/tutorials/ex77.c
src/ts/tutorials/ex18.c
src/ts/tutorials/ex11.c

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