petsc-3.12.5 2020-03-29
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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
nmax - maximum number of values to retrieve

Output Parameters

dvalue - the double values to return
nmax - actual number of values retreived
set - PETSC_TRUE if found, else PETSC_FALSE

See Also

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

Level

beginner

Location

src/sys/objects/options.c

Examples

src/ksp/ksp/examples/tutorials/ex49.c.html
src/ksp/ksp/examples/tutorials/ex54f.F90.html
src/ts/examples/tutorials/extchem.c.html

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