PetscOptionsGetRealArray#
Gets an array of double precision values for a particular option in the database. The values must be separated with commas with no intervening spaces.
Synopsis#
#include "petscsys.h"
PetscErrorCode PetscOptionsGetRealArray(PetscOptions options, const char pre[], const char name[], PetscReal dvalue[], 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#
dvalue - the double values to return
nmax - On input maximum number of values to retrieve, on output the actual number of values retrieved
set -
PETSC_TRUEif found, elsePETSC_FALSE
See Also#
PetscOptionsGetInt(), PetscOptionsHasName(),
PetscOptionsGetString(), PetscOptionsGetIntArray(), PetscOptionsBool(),
PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHeadBegin(),
PetscOptionsStringArray(), PetscOptionsRealArray(), PetscOptionsScalar(),
PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
PetscOptionsFList(), PetscOptionsEList()
Level#
beginner
Location#
Examples#
src/ksp/ksp/tutorials/ex21.c.html
src/ksp/ksp/tutorials/ex49.c.html
src/ksp/ksp/tutorials/ex54f.F90.html
src/ts/tutorials/ex27.c.html
src/ts/tutorials/extchem.c.html
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