PetscOptionsName#

Determines if a particular option has been set in the database. This returns true whether the option is a number, string or boolean, even its value is set to false. Logically Collective on the communicator passed in PetscOptionsBegin()

Synopsis#

#include "petscsys.h"
PetscErrorCode PetscOptionsName(const char opt[],const char text[],const char man[],PetscBool  *flg)

Input Parameters#

  • opt - option name

  • text - short string that describes the option

  • man - manual page with additional information on option

Output Parameter#

Note#

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

See Also#

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

Level#

beginner

Location#

src/sys/objects/aoptions.c

Examples#

src/snes/tutorials/ex15.c.html


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