petsc-3.10.5 2019-03-28
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# DMFieldGetDegree

Get the polynomial degree of a field when pulled back onto the reference element

### Synopsis

    #include "petscdmfield.h"
    #include "petscdmfield.h"
    PetscErrorCode DMFieldGetDegree(DMField field, IS cellIS, PetscInt *minDegree, PetscInt *maxDegree)

Not collective

### Input Arguments

| field | - the DMField object
| cellIS | - the index set of points over which we want know the invariance

### Output Arguments

| minDegree | - the degree of the largest polynomial space contained in the field on each element
| maxDegree | - the largest degree of the smallest polynomial space containing the field on any element

### See Also

DMFieldEvaluateFE()

### Level

intermediate

### Location

src/dm/field/interface/dmfield.c

### Implementations

DMFieldGetDegree_DA in src/dm/field/impls/da/dmfieldda.c
DMFieldGetDegree_DS in src/dm/field/impls/ds/dmfieldds.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages