init versie

matrix2d.h

@@ -0,0 +1,33 @@
+#ifndef MATRIX2D_H
+#define MATRIX2D_H
+
+
+template <typename T>
+class Matrix2D {
+    std::vector<T> data;
+    unsigned int sizeX, sizeY;
+public:
+    Matrix2D (unsigned int x, unsigned int y)
+        : sizeX (x), sizeY (y) {
+        data.resize (sizeX*sizeY);
+    }
+
+    T& operator()( int x,  int y) {
+        if (x >= (int) sizeX )
+            x-= sizeX;
+        if (x < 0 )
+            x+= sizeX;
+        if (y<0) y=0;
+        if (y >= (int) sizeY )
+          y =sizeY-1;
+        //if (y>= sizeY ||  y<0)
+        //    throw std::out_of_range("OOB access"); // Throw something more appropriate
+        return data[sizeX*y + x]; // Stride-aware access
+    }
+
+    T* row(unsigned int y) {
+        if (y >= sizeY) y = sizeY - 1;
+        return &data[sizeX * y];
+    }
+};
+#endif // MATRIX2D_H