Make a copy kernel using the private variables

src/CUDAStream.cu

@@ -11,7 +11,7 @@ __global__ void copy_kernel(const T * a, T * c)
 template <class T>
 void CUDAStream<T>::copy()
 {
-  copy<<<1024, 1024>>>(a, c);
+  copy_kernel<<<1024, 1024>>>(d_a, d_c);
 }
 
 template <class T>

src/CUDAStream.h

@@ -5,16 +5,17 @@
 template <class T>
 class CUDAStream : public Stream<T>
 {
-  public:
-    void copy();
-    void add();
-    void mul();
-    void triad();
-
   private:
     // Device side pointers to arrays
     T *d_a;
     T *d_b;
     T *d_c;
 
+
+  public:
+    void copy();
+    void add();
+    void mul();
+    void triad();
+
 };

src/main.cpp

@@ -16,6 +16,7 @@ int main(int argc, char *argv[])
 
   Stream<double> *stream;
   stream = new CUDAStream<double>();
+  stream->copy();
 
   delete[] stream;