petsc-3.9.2 2018-05-20
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MatFDColoringSetUp

Sets up the internal data structures of matrix coloring context for the later use.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatFDColoringSetUp(Mat mat,ISColoring iscoloring,MatFDColoring color)
Collective on Mat

Input Parameters

mat - the matrix containing the nonzero structure of the Jacobian
iscoloring - the coloring of the matrix; usually obtained with MatGetColoring() or DMCreateColoring()
color - the matrix coloring context

Keywords

MatFDColoring, setup

See Also

MatFDColoringCreate(), MatFDColoringDestroy()

Level

beginner

Location

src/mat/matfd/fdmatrix.c

Examples

src/mat/examples/tutorials/ex16.c.html
src/snes/examples/tutorials/ex5s.c.html
src/snes/examples/tutorials/ex14.c.html

Implementations

MatFDColoringSetUp_MPIXAIJ in src/mat/impls/aij/mpi/fdmpiaij.c
MatFDColoringSetUp_SeqXAIJ in src/mat/impls/aij/seq/fdaij.c

Index of all MatFD routines
Table of Contents for all manual pages
Index of all manual pages