MatColoringSetFromOptions#
Sets MatColoring options from options database
Synopsis#
#include "petscmat.h"
PetscErrorCode MatColoringSetFromOptions(MatColoring mc)
Collective
Input Parameter#
mc -
MatColoringcontext
Options Database Keys#
-mat_coloring_type - the type of coloring algorithm used. See
MatColoringType.-mat_coloring_maxcolors - the maximum number of relevant colors, all nodes not in a color are in maxcolors+1
-mat_coloring_distance - compute a distance 1,2,… coloring.
-mat_coloring_view - print information about the coloring and the produced index sets
-snes_fd_color - instruct SNES to using coloring and then
MatFDColoringto compute the Jacobians-snes_fd_color_use_mat - instruct
SNESto color the matrix directly instead of theDMfrom which the matrix comes (the default)
See Also#
MatColoring, MatColoringApply(), MatColoringSetDistance(), MatColoringSetType(), SNESComputeJacobianDefaultColor(), MatColoringType
Level#
beginner
Location#
Examples#
Implementations#
MatColoringSetFromOptions_Greedy in src/mat/color/impls/greedy/greedy.c
MatColoringSetFromOptions_JP in src/mat/color/impls/jp/jp.c
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages