restructure and add ipi texs

2019-11-06 18:24:04 +01:00
parent e21da561fc
commit 8fd8d2a485
155 changed files with 129 additions and 0 deletions
@@ -0,0 +1,40 @@
+class DynamicFloatArray : public FloatArray { 
+public:
+  DynamicFloatArray () {n=0; o=0; p=new float[1];}
+
+  virtual ~DynamicFloatArray() {delete[] p;}
+  virtual float& operator[](int i);
+  virtual int numIndices () {return n;}
+  int minIndex ()           {return o;}
+  int maxIndex ()           {return o+n-1;}
+  bool isMember (int i) {return (i>=o)&&(i<o+n);}
+private:
+  int n;      // Anzahl Elemente
+  int o;      // Ursprung der Indexmenge
+  float *p;   // Zeiger auf built-in array
+} ;
+
+float& DynamicFloatArray::operator[] (int i)
+{
+  if (i<o || i>=o+n)
+    {    // resize
+      int new_o, new_n;
+      if (i<o) {
+        new_o = i;
+        new_n = n+o-i;
+      }
+      else {
+        new_o = o;
+        new_n = i-o+1;
+      }
+      float *q = new float[new_n];
+      for (int i=0; i<new_n; i=i+1) q[i]=0.0;
+      for (int i=0; i<n; i=i+1)
+        q[i+o-new_o] = p[i];
+      delete[] p;
+      p = q;
+      n = new_n;
+      o = new_o;
+    }
+  return p[i-o];
+}