DMFieldShellSetEvaluate

Register the routine that evaluates a DMFIELDSHELL at an arbitrary set of real-space points supplied as a Vec of coordinates.

Synopsis

#include "petscdmfield.h" 
PetscErrorCode DMFieldShellSetEvaluate(DMField field, PetscErrorCode (*evaluate)(DMField field, Vec u, PetscDataType dtype, void *B, void *D, void *H))

Logically Collective

Input Parameters

• field - the DMField of type DMFIELDSHELL

• evaluate - the evaluation callback

Calling sequence of evaluate

• field - the DMField of type DMFIELDSHELL

• u - the points at which to evaluate the field, as a Vec of coordinates of size d x n

• dtype - PETSC_SCALAR or PETSC_REAL

• B - array of field values at each point, or NULL

• D - array of field spatial derivatives at each point, or NULL

• H - array of field spatial Hessians at each point, or NULL

See Also

DMField, DMFIELDSHELL, DMFieldCreateShell(), DMFieldEvaluate(), DMFieldShellSetEvaluateFE(), DMFieldShellSetEvaluateFV()

Level

intermediate

Location

src/dm/field/impls/shell/dmfieldshell.c

Examples

src/dm/field/tutorials/ex1.c

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Index of all DM routines
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Index of all manual pages