Just calls the user-provided solution routine provided with SNESSetNGS()
the Gauss-Seidel smoother is inherited through composition. If a solver has been created with SNESGetPC(), it will have
its parent's Gauss-Seidel routine associated with it.
SNESCreate(), SNES, SNESSetType(), SNESSetNGS(), SNESType (for list of available types)
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages