Squashed feature branch:

* Added CUDA support
 * Performance improvements
 * API improvements
 * Added "depth" parameter to GEMM
 * Android cross-compilation

lib/driver/ndrange.cpp

@@ -0,0 +1,28 @@
+#include "isaac/driver/ndrange.h"
+
+namespace isaac
+{
+
+namespace driver
+{
+
+NDRange::NDRange(size_t size0, size_t size1, size_t size2)
+{
+    sizes_[0] = size0;
+    sizes_[1] = size1;
+    sizes_[2] = size2;
+}
+
+NDRange::operator cl::NDRange() const
+{
+  return cl::NDRange(sizes_[0], sizes_[1], sizes_[2]);
+}
+
+NDRange::operator const size_t*() const
+{
+  return (const size_t*) sizes_;
+}
+
+}
+
+}