1 files changed, 88 insertions, 1 deletions

diff --git a/impl/ImprovementOperator.hpp b/impl/ImprovementOperator.hpp
index a435b6e..8ebf2d1 100644
--- a/impl/ImprovementOperator.hpp
+++ b/impl/ImprovementOperator.hpp
@@ -39,7 +39,7 @@ struct NaiveImprovementOperator : public ImprovementOperator<Domain> {
         strat.set(expr, index);
       }
     }
-    //log::strategy << strat << std::endl;
+    log::strategy << strat << std::endl;
     return changed;
   }
 };
@@ -68,4 +68,91 @@ struct RepeatedImprovementOperator : public ImprovementOperator<Domain> {
   const ImprovementOperator<Domain>& _subImprovement;
 };
 
+<<<<<<< HEAD
+
+
+#include "VariableAssignment.hpp"
+
+template<typename Domain>
+struct DynamicMaxStrategy : public MaxStrategy<Domain> {
+  DynamicMaxStrategy(
+    const EquationSystem<Domain>& system
+  ) : _system(system),
+      _rho(NULL),
+      _values(system),
+      _stable(system.maxExpressionCount()),
+      _influence(system.maxExpressionCount(),
+                 IdSet<MaxExpression<Domain>>(system.maxExpressionCount())),
+      _var_influence(system.variableCount(),
+                     IdSet<MaxExpression<Domain>>(system.maxExpressionCount()))
+  {}
+
+  void setRho(DynamicVariableAssignment<Domain>& rho) {
+    _rho = &rho;
+  }
+
+  unsigned int get(const MaxExpression<Domain>& e) const {
+    solve(e);
+    return _values.get(e);
+  }
+
+  void invalidate(const Variable<Domain>& v) const {
+    log::strategy << "invalidating " << v << " - " << *_system[v] << std::endl;
+    log::strategy << "\t" << _var_influence[v] << std::endl;
+    _stable.filter(_var_influence[v]);
+
+    for (auto it = _var_influence[v].begin();
+         it != _var_influence[v].end();
+         ++it) {
+      solve(_system.maxExpression(*it));
+    }
+  }
+
+  struct DependencyAssignment : public VariableAssignment<Domain>{
+    DependencyAssignment(const DynamicMaxStrategy& strat,
+                         VariableAssignment<Domain>& rho,
+                         const MaxExpression<Domain>& expr)
+      : _strat(strat),
+        _rho(rho),
+        _expr(expr) {
+    }
+    const Domain& operator[](const Variable<Domain>& var) const {
+      _strat._var_influence[var].insert(_expr);
+      return _rho[var];
+    }
+  private:
+    const DynamicMaxStrategy& _strat;
+    VariableAssignment<Domain>& _rho;
+    const MaxExpression<Domain>& _expr;
+  };
+
+  struct DependencyStrategy : public MaxStrategy<Domain> {
+    DependencyStrategy(const DynamicMaxStrategy& strat, const MaxExpression<Domain>& expr)
+      : _strat(strat),
+        _expr(expr) {
+    }
+    unsigned int get(const MaxExpression<Domain>& e) const {
+      _strat.solve(e);
+      if (&_expr != &e) {
+        _strat._influence[e].insert(_expr);
+      }
+      return _strat._values.get(e);
+    }
+  private:
+    const DynamicMaxStrategy& _strat;
+    const MaxExpression<Domain>& _expr;
+  };
+
+private:
+  const EquationSystem<Domain>& _system;
+  mutable DynamicVariableAssignment<Domain>* _rho;
+  mutable ConcreteMaxStrategy<Domain> _values;
+  mutable IdSet<MaxExpression<Domain>> _stable;
+  mutable IdMap<MaxExpression<Domain>,IdSet<MaxExpression<Domain>>> _influence;
+  mutable IdMap<Variable<Domain>,IdSet<MaxExpression<Domain>>> _var_influence;
+};
+
+
+=======
+>>>>>>> bitbucket/master
 #endif