PETSc version 3.15.5
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# DMPlexComputeGradientFVM

Compute geometric factors for gradient reconstruction, which are stored in the geometry data, and compute layout for gradient data

### Synopsis

    #include "petscdmplex.h"
    #include "petscfe.h"
    PetscErrorCode DMPlexComputeGradientFVM(DM dm, PetscFV fvm, Vec faceGeometry, Vec cellGeometry, DM *dmGrad)

Collective on dm

### Input Arguments

| dm | - The DM
| fvm | - The PetscFV
| faceGeometry | - The face geometry from DMPlexComputeFaceGeometryFVM()
| cellGeometry | - The face geometry from DMPlexComputeCellGeometryFVM()

### Output Parameters

| faceGeometry | - The geometric factors for gradient calculation are inserted
| dmGrad | - The DM describing the layout of gradient data

### See Also

DMPlexGetFaceGeometryFVM(), DMPlexGetCellGeometryFVM()

### Level

developer

### Location

src/dm/impls/plex/plexgeometry.c
Index of all DMPLEX routines
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Index of all manual pages