Implement to_cuda function

include/layers/ilayer.h

@@ -0,0 +1,19 @@
+
+#ifndef I_LAYER_H
+#define I_LAYER_H
+
+#include <cublas_v2.h>
+
+namespace Layers {
+
+    class ILayer {
+    public:
+        virtual ~ILayer() {}
+
+        virtual void forward(const float* input, float* output) = 0;
+        virtual void to_cuda() = 0;
+    };
+
+} // namespace Layers
+
+#endif // I_LAYERH