PetscDSSelectDiscretizations

Copy discretizations to the new problem with different field layout

Synopsis

#include "petscds.h" 
PetscErrorCode PetscDSSelectDiscretizations(PetscDS prob, PetscInt numFields, const PetscInt fields[], PetscInt minDegree, PetscInt maxDegree, PetscDS newprob)

Not Collective

Input Parameters

• prob - The PetscDS object

• numFields - Number of new fields

• fields - Old field number for each new field

• minDegree - Minimum degree for a discretization, or PETSC_DETERMINE for no limit

• maxDegree - Maximum degree for a discretization, or PETSC_DETERMINE for no limit

Output Parameter

• newprob - The PetscDS copy

See Also

PetscDS, PetscDSSelectEquations(), PetscDSCopyBoundary(), PetscDSSetResidual(), PetscDSSetJacobian(), PetscDSSetRiemannSolver(), PetscDSSetBdResidual(), PetscDSSetBdJacobian(), PetscDSCreate()

Level

intermediate

Location

src/dm/dt/interface/dtds.c

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Index of all DT routines
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