1 files changed, 1 insertions, 31 deletions
diff --git a/impl/EquationSystem.hpp b/impl/EquationSystem.hpp
index 4bae53a..4c55bd7 100644
--- a/impl/EquationSystem.hpp
+++ b/impl/EquationSystem.hpp
@@ -88,32 +88,6 @@ struct EquationSystem {
     return _right_sides[var.id()];
   }
 
-  StableVariableAssignment<Domain>* assignment(const Domain& value) const {
-    return new StableVariableAssignment<Domain>(_variables.size(), value);
-  }
-  StableVariableAssignment<Domain>* eval(const VariableAssignment<Domain>& rho) const {
-    StableVariableAssignment<Domain>* result = this->assignment(-infinity<Domain>());
-    for (unsigned int i = 0, length = _variables.size();
-         i < length;
-         ++i) {
-      const Variable<Domain>& var = *_variables[i];
-      const Expression<Domain>& expr = * (*this)[var];
-      (*result)[var] = expr.eval(rho);
-    }
-    return result;
-  }
-  StableVariableAssignment<Domain>* eval(const VariableAssignment<Domain>& rho, const MaxStrategy<Domain>& strat) const {
-    StableVariableAssignment<Domain>* result = this->assignment(-infinity<Domain>());
-    for (unsigned int i = 0, length = _variables.size();
-         i < length;
-         ++i) {
-      const Variable<Domain>& var = *_variables[i];
-      const Expression<Domain>& expr = * (*this)[var];
-      (*result)[var] = expr.eval(rho, strat);
-    }
-    return result;
-  }
-
   void indexMaxExpressions() {
     _expr_to_var = new IdMap<MaxExpression<Domain>,Variable<Domain>*>(maxExpressionCount(), NULL); 
     for (unsigned int i = 0, length = _right_sides.size(); i < length; ++i) {
@@ -130,11 +104,7 @@ struct EquationSystem {
         return NULL;
       }
     } else {
-      for (unsigned int i = 0, length = _right_sides.size(); i < length; ++i) {
-        if (_right_sides[i] == &expr)
-          return _variables[i];
-      }
-      return NULL;
+      throw "Must index max expressions before attempting lookup";
     }
   }