Added ability to cast to a different size Vector. Also added Vector::…

…size.

Vector.h

@@ -87,6 +87,7 @@ class Vector {
      */
     Vector<T, s>& operator*=(double scalar);
 
+
     /**
      * @brief operator += : add equals two vectors of the same size together
      * @param v
@@ -114,9 +115,18 @@ class Vector {
      */
     Vector<T, s>operator-(Vector<T, s> v);
 
+    /**
+     * @return the size of the Vector
+     */
+    unsigned int size();
+
     // Casting operators
-    template<typename D>
-        explicit operator Vector<D, s>() const;
+    /**
+     * @brief C-style cast to a different vector type, or size, or both!
+     * @return
+     */
+    template<typename D, unsigned int newSize>
+        explicit operator Vector<D, newSize>() const;
 
     // TODO: iterators? begin functions for range-for?
 

Vector.tpp

@@ -111,12 +111,18 @@ Vector<T, s> Vector<T, s>::operator-(Vector<T, s> v) {
     return rv;
 }
 
+template<typename T, unsigned int s>
+unsigned int Vector<T, s>::size() {
+    return s;
+}
+
 // Casting operators
 template<typename T, unsigned int s>
-template<class D>
-Vector<T, s>::operator Vector<D, s>() const {
-    Vector<D, s> rv;
-    for (unsigned int i=0; i<s; i++) {
+template<class D, unsigned int newSize>
+Vector<T, s>::operator Vector<D, newSize>() const {
+    unsigned int min = (s <= newSize) ? s : newSize;
+    Vector<D, newSize> rv;
+    for (unsigned int i=0; i<min; i++) {
         rv[i] = static_cast<D>(elem[i]);
     }
     return rv;