From ea05c9c5fa30b8822f618e861d12a09df1f8f017 Mon Sep 17 00:00:00 2001
From: Carlo Zancanaro <carlo@carlo-laptop>
Date: Mon, 28 May 2012 13:00:50 +1000
Subject: Fix memory error and x = max(-inf, expr) stuff.

---
 impl/VariableAssignment.hpp | 78 +++------------------------------------------
 1 file changed, 5 insertions(+), 73 deletions(-)

(limited to 'impl/VariableAssignment.hpp')

diff --git a/impl/VariableAssignment.hpp b/impl/VariableAssignment.hpp
index d604a74..9d8137a 100644
--- a/impl/VariableAssignment.hpp
+++ b/impl/VariableAssignment.hpp
@@ -2,84 +2,16 @@
 #define VARIABLE_ASSIGNMENT_HPP
 
 #include "Variable.hpp"
-#include <ostream>
+#include "IdMap.hpp"
 
 template<typename T>
-struct VariableAssignment {
+struct VariableAssignment : public IdMap<Variable<T>,T> {
   VariableAssignment(unsigned int length)
-    : _length(length), _assignment(new T[length]) {
-    for (unsigned int i = 0; i < _length; ++i) {
-      _assignment[i] = -infinity<T>();
-    }
-  }
+    : IdMap<Variable<T>,T>(length, -infinity<T>()) { }
   VariableAssignment(unsigned int length, const T& initial)
-    : _length(length), _assignment(new T[length]) {
-    for (unsigned int i = 0; i < _length; ++i) {
-      _assignment[i] = initial;
-    }
-  }
+    : IdMap<Variable<T>,T>(length, initial) { }
   VariableAssignment(const VariableAssignment& other)
-    : _length(other._length), _assignment(new T[other._length]) {
-    for (unsigned int i = 0; i < _length; ++i) {
-      _assignment[i] = other._assignment[i];
-    }
-  }
-  ~VariableAssignment() {
-    delete[] _assignment;
-  }
-  VariableAssignment& operator=(const VariableAssignment& other) {
-    delete[] _assignment;
-    _length = other._length;
-    _assignment = new T[_length];
-    for (unsigned int i = 0; i < _length; ++i) {
-      _assignment[i] = other._assignment[i];
-    }
-    return *this;
-  }
-  const T& operator[] (const Variable<T>& x) const {
-    if (x.id() >= _length) {
-      throw "Array out of bounds";
-    }
-    return _assignment[x.id()];
-  }
-  T& operator[] (const Variable<T>& x) {
-    if (x.id() >= _length) {
-      throw "Array out of bounds";
-    }
-    return _assignment[x.id()];
-  }
-
-  VariableAssignment<T> expand(const VariableAssignment<T>& other) {
-    return expand(other, infinity<T>());
-  }
-  VariableAssignment<T> expand(const VariableAssignment<T>& other, const T& value) {
-    VariableAssignment<T> expansion(_length);
-    for (unsigned int i = 0; i < _length; ++i) {
-      if (_assignment[i] == other._assignment[i]) {
-        expansion._assignment[i] = _assignment[i];
-      } else {
-        expansion._assignment[i] = value;
-      }
-    }
-    return expansion;
-  }
-
-  bool operator==(const VariableAssignment& other) const {
-    if (_length != other._length)
-      return false;
-    for (unsigned int i = 0; i < _length; ++i) {
-      if (_assignment[i] != other._assignment[i]) {
-        return false;
-      }
-    }
-    return true;
-  }
-  bool operator!=(const VariableAssignment& other) const {
-    return !(*this == other);
-  }
-  private:
-  unsigned int _length;
-  T* _assignment;
+    : IdMap<Variable<T>,T>(other) { }
 };
 
 #endif
-- 
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