File snes.cxx

Functions

static PetscErrorCode ComputeJacobianScaledColor(SNES snes, Vec x1, Mat Jac, Mat Jac_new, void *ctx)

Input Parameters: snes - nonlinear solver object x1 - location at which to evaluate Jacobian ctx - MatFDColoring context or NULL

Output Parameters: Jac - Jacobian matrix (not altered in this routine) Jac_new - newly computed Jacobian matrix to use with preconditioner (generally the same as Jac)

class ColoringStencil