1 files changed, 31 insertions, 2 deletions
diff --git a/impl/Operator.hpp b/impl/Operator.hpp
index 49507c4..0c6e9df 100644
--- a/impl/Operator.hpp
+++ b/impl/Operator.hpp
@@ -124,16 +124,45 @@ struct Comma : public Operator<Domain> {
 template<typename Domain>
 struct Guard : public Operator<Domain> {
   virtual Domain eval(const std::vector<Domain>& arguments) const {
+    Domain result = arguments[2];
     if (arguments[0] < arguments[1]) {
-      return -infinity<Domain>();
+      result = -infinity<Domain>();
     }
-    return arguments[2];
+    log::operators << "Guard: "
+                   << arguments[0] << " >= " << arguments[1]
+                   << " ? " << arguments[2]
+                   << " -> " << result << std::endl;
+    return result;
   }
   void print(std::ostream& cout) const {
     cout << "guard";
   }
 };
 
+/*#include "TemplateConstraintMatrix.hpp"
+
+template<typename Domain>
+struct MinimumCostFlow : public Operator<Domain> {
+  MinimumCostFlow() {
+  }
+  Domain solve(const Domain& d) const {
+  
+  }
+  virtual Domain eval(const std::vector<Domain>& arguments) const {
+    if (arguments.size() != 1)
+      throw "Incorrect number of arguments.";
+    return solve(arguments[0]);
+  }
+  void print(std::ostream& cout) const {
+    cout << "minCostFlow";
+  }
+private:
+  TemplateConstraintMatrix& constraint; // T
+  std::vector<Domain> guard; // c
+  std::vector<std::vector<Domain>> multiplication; //A
+  unsigned int row;
+};*/
+
 template<typename T>
 std::ostream& operator<<(std::ostream& cout, const Operator<T>& op) {
   op.print(cout);