545 PetscErrorCode MatFDColoringGetPerturbedColumns(MatFDColoring coloring, PetscInt *n, const PetscInt…  in MatFDColoringGetPerturbedColumns()  argument
548   if (coloring->currentcolor >= 0) {  in MatFDColoringGetPerturbedColumns()
549     *n    = coloring->ncolumns[coloring->currentcolor];  in MatFDColoringGetPerturbedColumns()
550     *cols = coloring->columns[coloring->currentcolor];  in MatFDColoringGetPerturbedColumns()
579 PetscErrorCode MatFDColoringApply(Mat J, MatFDColoring coloring, Vec x1, void *sctx)  in MatFDColoringApply()  argument
585   PetscValidHeaderSpecific(coloring, MAT_FDCOLORING_CLASSID, 2);  in MatFDColoringApply()
587   PetscCall(PetscObjectCompareId((PetscObject)J, coloring->matid, &eq));  in MatFDColoringApply()
589 …PetscCheck(coloring->f, PetscObjectComm((PetscObject)J), PETSC_ERR_ARG_WRONGSTATE, "Must call MatF…  in MatFDColoringApply()
590 …PetscCheck(coloring->setupcalled, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Must call MatFDColor…  in MatFDColoringApply()
593   PetscCall(PetscLogEventBegin(MAT_FDColoringApply, coloring, J, x1, 0));  in MatFDColoringApply()
594   PetscUseTypeMethod(J, fdcoloringapply, coloring, x1, sctx);  in MatFDColoringApply()
595   PetscCall(PetscLogEventEnd(MAT_FDColoringApply, coloring, J, x1, 0));  in MatFDColoringApply()
596   if (!coloring->viewed) {  in MatFDColoringApply()
597     PetscCall(MatFDColoringViewFromOptions(coloring, NULL, "-mat_fd_coloring_view"));  in MatFDColoringApply()
598     coloring->viewed = PETSC_TRUE;  in MatFDColoringApply()