Adding staggered utils

src/Grid/staggered_util.hpp

+/*
+ * staggered_util.hpp
+ *
+ *  Created on: Aug 19, 2015
+ *      Author: i-bird
+ */
+
+#ifndef SRC_GRID_STAGGERED_UTIL_HPP_
+#define SRC_GRID_STAGGERED_UTIL_HPP_
+
+#include "variadic_to_vmpl.hpp"
+
+/*! Meta-function to apply to the vector
+ *
+ */
+template<typename arg0, typename T>
+struct F
+{
+	typedef grid_cpu<arg0::value,T> type;
+};
+
+/*! \brief Create staggered data vector
+ *
+ * \param s_ele boost::fusion::vector of elements
+ *
+ */
+template <typename s_ele>
+struct create_stag_data
+{
+	typedef v_transform<,s_ele>
+};
+
+#endif /* SRC_GRID_STAGGERED_UTIL_HPP_ */