PetscOptionsGetReal
Gets the double precision value for a particular option in the database.
Synopsis
#include "petsc.h"
int PetscOptionsGetReal(const char pre[],const char name[],PetscReal *dvalue,PetscTruth *flg)
Not Collective
Input Parameters
| pre | - string to prepend to each name or PETSC_NULL
|
| name | - the option one is seeking
|
Output Parameter
| dvalue | - the double value to return
|
| flg | - PETSC_TRUE if found, PETSC_FALSE if not found
|
See Also
PetscOptionsGetInt(), PetscOptionsHasName(),
PetscOptionsGetString(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(),PetscOptionsLogical(),
PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
PetscOptionsLogicalGroupBegin(), PetscOptionsLogicalGroup(), PetscOptionsLogicalGroupEnd(),
PetscOptionsList(), PetscOptionsEList()
Level:beginner
Location:src/sys/src/objects/options.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/sles/examples/tutorials/ex11.c.html
src/sles/examples/tutorials/ex11f.F.html
src/snes/examples/tutorials/ex3.c.html
src/snes/examples/tutorials/ex5.c.html
src/snes/examples/tutorials/ex5s.c.html
src/snes/examples/tutorials/ex14.c.html
src/snes/examples/tutorials/ex18.c.html
src/snes/examples/tutorials/ex19.c.html
src/snes/examples/tutorials/ex20.c.html
src/snes/examples/tutorials/ex26.c.html
src/snes/examples/tutorials/ex29.c.html