PetscOptionsGetInt#
Gets the integer value for a particular option in the database.
Synopsis#
#include "petscsys.h"
PetscErrorCode PetscOptionsGetInt(PetscOptions options, const char pre[], const char name[], PetscInt *ivalue, PetscBool *set)
Not Collective
Input Parameters#
options - options database, use
NULLfor default global databasepre - the string to prepend to the name or
NULLname - the option one is seeking
Output Parameters#
ivalue - the integer value to return
set -
PETSC_TRUEif found, elsePETSC_FALSE
Notes#
If the user does not supply the option ivalue is NOT changed. Thus
you should ALWAYS initialize the ivalue if you access it without first checking that the set flag is true.
Accepts the special values determine, decide and unlimited.
Accepts the deprecated value default.
See Also#
PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(),
PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(),
PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHeadBegin(),
PetscOptionsStringArray(), PetscOptionsRealArray(), PetscOptionsScalar(),
PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
PetscOptionsFList(), PetscOptionsEList()
Level#
beginner
Location#
Examples#
src/dm/tutorials/ex26.c
src/dm/impls/stag/tutorials/ex6.c
src/dm/tutorials/swarm_ex1.c
src/dm/impls/stag/tutorials/ex4.c
src/dm/tutorials/ex21.c
src/dm/tutorials/ex14.c
src/dm/impls/swarm/tutorials/ex1.c
src/dm/tutorials/ex5.c
src/dm/tutorials/ex20.c
src/dm/tutorials/ex3.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages