From 9fd34b8cdc98ee757fc047216bd51c698cb7b82f Mon Sep 17 00:00:00 2001
From: Carlo Zancanaro <carlo@carlo-laptop>
Date: Wed, 2 May 2012 00:03:59 +1000
Subject: Fix up some memory leaking issues.

---
 impl/main.cpp | 42 +++++++++++++++++++++++++++---------------
 1 file changed, 27 insertions(+), 15 deletions(-)

(limited to 'impl/main.cpp')

diff --git a/impl/main.cpp b/impl/main.cpp
index db3d0f7..a0c6bea 100644
--- a/impl/main.cpp
+++ b/impl/main.cpp
@@ -4,8 +4,8 @@
 
 #include "Operator.hpp"
 #include "Expression.hpp"
-#include "EquationSystem.hpp"
 #include "MaxStrategy.hpp"
+#include "EquationSystem.hpp"
 
 using namespace std;
 
@@ -17,39 +17,50 @@ typedef Minimum<float> Min;
 
 std::vector< Expression<float>* > empty;
 int main () {
+  {
   EquationSystem<float> sys;
   Variable<float>* x = sys.newVariable("x");
   Variable<float>* y = sys.newVariable("y");
   Variable<float>* z = sys.newVariable("z");
 
   Args xPlusArgs;
-  xPlusArgs.push_back(new E(x, empty));
+  xPlusArgs.push_back(sys.newExpression(x, empty));
+
   Args xMinArgs;
-  xMinArgs.push_back(new E(new A(-1), xPlusArgs));
-  xMinArgs.push_back(new E(y, empty));
+  xMinArgs.push_back(sys.newExpression(new A(-1), xPlusArgs));
+  xMinArgs.push_back(sys.newExpression(y, empty));
+
   Args xMaxArgs;
-  xMaxArgs.push_back(new E(new C(0), empty));
-  xMaxArgs.push_back(new E(new Min(), xMinArgs));
+  xMaxArgs.push_back(sys.newExpression(new C(0), empty));
+  xMaxArgs.push_back(sys.newExpression(new Min(), xMinArgs));
+
   sys[*x] = sys.newMaxExpression(xMaxArgs);
   // x = max(0, min(x-1, y))
 
+
   Args yPlusArgs;
-  yPlusArgs.push_back(new E(x, empty));
+  yPlusArgs.push_back(sys.newExpression(x, empty));
+
   Args yMaxArgs;
-  yMaxArgs.push_back(new E(new C(0), empty));
-  yMaxArgs.push_back(new E(new A(5), yPlusArgs));
-  yMaxArgs.push_back(new E(x, empty));
+  yMaxArgs.push_back(sys.newExpression(new C(0), empty));
+  yMaxArgs.push_back(sys.newExpression(new A(5), yPlusArgs));
+  yMaxArgs.push_back(sys.newExpression(x, empty));
+
   sys[*y] = sys.newMaxExpression(yMaxArgs);
   // y = max(0, x+5, x)
 
+
   Args zPlusArgs1;
-  zPlusArgs1.push_back(new E(z, empty));
+  zPlusArgs1.push_back(sys.newExpression(z, empty));
+
   Args zPlusArgs2;
-  zPlusArgs2.push_back(new E(x, empty));
+  zPlusArgs2.push_back(sys.newExpression(x, empty));
+
   Args zMaxArgs;
-  zMaxArgs.push_back(new E(new C(0), empty));
-  zMaxArgs.push_back(new E(new A(1), zPlusArgs1));
-  zMaxArgs.push_back(new E(new A(0), zPlusArgs2));
+  zMaxArgs.push_back(sys.newExpression(new C(0), empty));
+  zMaxArgs.push_back(sys.newExpression(new A(1), zPlusArgs1));
+  zMaxArgs.push_back(sys.newExpression(new A(0), zPlusArgs2));
+
   sys[*z] = sys.newMaxExpression(zMaxArgs);
   // z = max(0, z+1, x)
 
@@ -63,6 +74,7 @@ int main () {
   cout << "x = " << fixpoint[*x] << endl;
   cout << "y = " << fixpoint[*y] << endl;
   cout << "z = " << fixpoint[*z] << endl;
+  }
 
   return 0;
 }
-- 
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