1 files changed, 13 insertions, 2 deletions
diff --git a/impl/Operator.hpp b/impl/Operator.hpp
index d6b92f2..3e11443 100644
--- a/impl/Operator.hpp
+++ b/impl/Operator.hpp
@@ -34,9 +34,9 @@ struct Maximum : public Operator<T> {
   }
 };
 template<typename T>
-struct Minimumm : public Operator<T> {
+struct Minimum : public Operator<T> {
   virtual T operator() (const std::vector< Expression<T>* >& args, const VariableAssignment<T>& assignment) const {
-    T value = -infinity<T>();
+    T value = infinity<T>();
     for (typename std::vector< Expression<T>* >::const_iterator it = args.begin();
          it != args.end();
          ++it) {
@@ -47,6 +47,17 @@ struct Minimumm : public Operator<T> {
   }
 };
 
+template<typename T>
+struct Constant : public Operator<T> {
+  Constant(const T& val)
+    : _value(val) { }
+  T operator() (const std::vector< Expression<T>* >& args, const VariableAssignment<T>& ass) const {
+    return _value;
+  }
+  private:
+  const T _value;
+};
+
 #include "VariableAssignment.hpp"
 #include "Expression.hpp"