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00001 // Copyright (C) 2003 Johan Hoffman and Anders Logg. 00002 // Licensed under the GNU GPL Version 2. 00003 00004 #ifndef __NON_STIFF_ITERATION_H 00005 #define __NON_STIFF_ITERATION_H 00006 00007 #include <dolfin/Iteration.h> 00008 00009 namespace dolfin 00010 { 00011 00013 00014 class NonStiffIteration : public Iteration 00015 { 00016 public: 00017 00018 NonStiffIteration(Solution& u, RHS& f, FixedPointIteration& fixpoint, 00019 unsigned int maxiter, real maxdiv, real maxconv, real tol, 00020 unsigned int depth); 00021 00022 ~NonStiffIteration(); 00023 00024 State state() const; 00025 00026 void start(ElementGroupList& list); 00027 void start(ElementGroup& group); 00028 void start(Element& element); 00029 00030 void update(ElementGroupList& list, Increments& d); 00031 void update(ElementGroup& group, Increments& d); 00032 void update(Element& element, Increments& d); 00033 00034 void stabilize(ElementGroupList& list, const Increments& d, unsigned int n); 00035 void stabilize(ElementGroup& group, const Increments& d, unsigned int n); 00036 void stabilize(Element& element, const Increments& d, unsigned int n); 00037 00038 bool converged(ElementGroupList& list, const Increments& d, unsigned int n); 00039 bool converged(ElementGroup& group, const Increments& d, unsigned int n); 00040 bool converged(Element& element, const Increments& d, unsigned int n); 00041 00042 bool diverged(ElementGroupList& list, const Increments& d, unsigned int n, State& newstate); 00043 bool diverged(ElementGroup& group, const Increments& d, unsigned int n, State& newstate); 00044 bool diverged(Element& element, const Increments& d, unsigned int n, State& newstate); 00045 00046 void report() const; 00047 00048 }; 00049 00050 } 00051 00052 #endif
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