Merge NumPy extension from https://github.com/ndarray/Boost.NumPy/.

src/numpy/numpy.cpp

@@ -0,0 +1,34 @@
+// Copyright Jim Bosch 2010-2012.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
+
+#define BOOST_NUMPY_INTERNAL_MAIN
+#include <boost/numpy/internal.hpp>
+#include <boost/numpy/dtype.hpp>
+
+namespace boost 
+{
+namespace numpy 
+{
+
+#if PY_MAJOR_VERSION == 2
+static void wrap_import_array() {
+    import_array();
+}
+#else
+static void * wrap_import_array() {
+    import_array();
+}
+#endif
+
+void initialize(bool register_scalar_converters) 
+{
+  wrap_import_array();
+  import_ufunc();
+  if (register_scalar_converters)
+	dtype::register_scalar_converters();
+}
+
+}
+}