#include "petscmat.h" PetscErrorCode MatColoringSetFromOptions(MatColoring mc)Collective on MatColoring
mc | - MatColoring context |
-mat_coloring_type | - the type of coloring algorithm used | |
-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 MatFDColoring to compute the Jacobians | |
-snes_fd_color_use_mat | - instruct SNES to color the matrix directly instead of the DM from which the matrix comes (the default) |