restructure and add ipi texs

ws2019/ipi/uebungen/cpp_headers/SimpleArrayImp.cc

@@ -0,0 +1,81 @@
+// Destruktor
+template <class T>
+SimpleArray<T>::~SimpleArray () { 
+  delete[] p; 
+}
+
+// Konstruktor
+template <class T>
+SimpleArray<T>::SimpleArray (int s, T v) 
+{
+  n = s;
+  p = new T[n];
+  for (int i=0; i<n; i=i+1) p[i]=v;
+}
+
+// Copy-Konstruktor
+template <class T>
+SimpleArray<T>::SimpleArray (const 
+			     SimpleArray<T>& a) {
+  n = a.n;
+  p = new T[n];
+  for (int i=0; i<n; i=i+1)
+    p[i]=a.p[i];
+}
+
+// Zuweisungsoperator
+template <class T>
+SimpleArray<T>& SimpleArray<T>::operator= 
+  (const SimpleArray<T>& a)
+{
+  if (&a!=this) {
+    if (n!=a.n) {
+      delete[] p;
+      n = a.n;
+      p = new T[n];
+    }
+    for (int i=0; i<n; i=i+1) p[i]=a.p[i];
+  }
+  return *this;
+}
+
+template <class T>
+inline T& SimpleArray<T>::operator[] (int i) 
+{ 
+  return p[i];
+}
+
+template <class T>
+inline int SimpleArray<T>::numIndices () 
+{ 
+  return n;
+}
+
+template <class T>
+inline int SimpleArray<T>::minIndex () 
+{ 
+  return 0; 
+}
+
+template <class T>
+inline int SimpleArray<T>::maxIndex () 
+{ 
+  return n-1; 
+}
+
+template <class T>
+inline bool SimpleArray<T>::isMember (int i) 
+{
+  return (i>=0 && i<n);
+}
+
+template <class T>
+std::ostream& operator<< (std::ostream& s, 
+		     SimpleArray<T>& a) 
+{
+  s << "#( ";
+  for (int i=a.minIndex(); i<=a.maxIndex(); i=i+1)
+    s << a[i] << " ";
+  s << ")" << std::endl;
+  return s;
+}