Adding missing file

src/Grid/staggered_dist_grid_copy.hpp

+/*
+ * staggered_grid_dist_copy.hpp
+ *
+ *  Created on: Apr 9, 2016
+ *      Author: i-bird
+ */
+
+#ifndef SRC_GRID_STAGGERED_DIST_GRID_COPY_HPP_
+#define SRC_GRID_STAGGERED_DIST_GRID_COPY_HPP_
+
+/*!	\brief Add scalar elements
+ *
+ * \tparam copy_type Type that should be copied
+ * \tparam T property id to copy
+ * \tparam Grid_src Staggered source Grid
+ * \tparam sa dimensionality of the array 0 is a scalar
+ *
+ */
+template<typename copy_type, typename Tsrc, typename Tdst, typename Grid_src, typename Grid_dst, int sa>
+struct interp_ele_sca_array
+{
+	inline static void interp(Grid_dst & grid_dst, const grid_dist_key_dx<Grid_dst::dims> & key_dst ,const Grid_src & x, const grid_dist_key_dx<Grid_src::dims> & key_src, const openfpm::vector<std::vector<comb<Grid_src::dims>>> & interp_pos)
+	{
+		typedef typename boost::mpl::at<Tdst,Tsrc>::type Tdst_ele;
+
+		copy_type division = 0.0;
+
+		for (size_t i = 0 ; i < interp_pos.get(0).size() ; i++)
+		{
+				auto key_m = key_src.move(interp_pos.get(0)[i]);
+
+				grid_dst.template get<Tdst_ele::value>(key_dst) += x.template get<Tsrc::value>(key_m);
+
+				division += 1.0;
+		}
+		grid_dst.template get<Tdst_ele::value>(key_dst) /= division;
+	}
+};
+
+/*! \brief Add 1D array elements
+ *
+ * spacialization in case of 1D array
+ *
+ * \tparam copy_type Type that should be copied
+ * \tparam T property id to copy
+ * \tparam Ev Type of source the Vector
+ *
+ */
+template<typename copy_type, typename Tsrc, typename Tdst, typename Grid_src, typename Grid_dst>
+struct interp_ele_sca_array<copy_type,Tsrc,Tdst,Grid_src,Grid_dst,1>
+{
+	inline static void interp(Grid_dst & grid_dst,
+								const grid_dist_key_dx<Grid_dst::dims> & key_dst ,
+								const Grid_src & x,
+								const grid_dist_key_dx<Grid_src::dims> & key_src,
+								const openfpm::vector<std::vector<comb<Grid_src::dims>>> & interp_pos)
+	{
+		typename std::remove_all_extents<copy_type>::type division;
+		typedef typename boost::mpl::at<Tdst,Tsrc>::type Tdst_ele;
+
+		for (size_t j = 0 ; j < std::extent<copy_type>::value ; j++)
+		{
+			division = 0.0;
+			for (size_t i = 0 ; i < interp_pos.get(j).size() ; i++)
+			{
+				auto key_m = key_src.move(interp_pos.get(j)[i]);
+
+				grid_dst.template get<Tdst_ele::value>(key_dst)[j] += x.template get<Tsrc::value>(key_m)[j];
+
+				division += 1.0;
+			}
+			grid_dst.template get<Tsrc::value>(key_dst)[j] /= division;
+		}
+	}
+};
+
+/*! \brief this class is a functor for "for_each" algorithm
+ *
+ * This class is a functor for "for_each" algorithm. For each
+ * element of the boost::vector the operator() is called.
+ * Is mainly used to interpolate from the staggered grid to the normal target grid
+ *
+ * \tparam Tdst destination property of the normal grid
+ * \tparam Type of the destination grid
+ * \tparam Type of the source grid
+ *
+ */
+template<typename Tdst, typename Grid_dst, typename Grid_src, unsigned int nst_pos>
+struct interp_ele
+{
+	//! destination point
+	const grid_dist_key_dx<Grid_dst::dims> key_dst;
+
+	//! destination grid
+	Grid_dst & grid_dst;
+
+	//! source point
+	grid_dist_key_dx<Grid_dst::dims> key_src;
+
+	//! For each properties [] for each components (openfpm::vector) interpolants points positions (std::vector<comb>)
+	openfpm::vector<std::vector<comb<Grid_dst::dims>>> (&interp_pos)[nst_pos];
+
+	//! source grid
+	const Grid_src & x;
+
+	/*! \brief constructor
+	 *
+	 * It define the interpolation parameters.
+	 *
+	 * \param key_dst destination point
+	 * \param grid_dst Destination grid
+	 * \param key_src source point
+	 * \param grid_src Source grid
+	 *
+	 */
+	inline interp_ele(const grid_dist_key_dx<Grid_dst::dims> & key_dst, Grid_dst & grid_dst, const Grid_src & x, const grid_dist_key_dx<Grid_src::dims> & key_src, openfpm::vector<std::vector<comb<Grid_src::dims>>> (&interp_pos)[nst_pos])
+	:key_dst(key_dst),grid_dst(grid_dst),key_src(key_src),interp_pos(interp_pos),x(x){};
+
+
+#ifdef SE_CLASS1
+	/*! \brief Constructor
+	 *
+	 * Calling this constructor produce an error. This class store the reference of the object,
+	 * this mean that the object passed must not be a temporal object
+	 *
+	 */
+	inline interp_ele(grid_dist_key_dx<scheme::Sys_eqs_typ::dims> & key, S & grid_dst, Ev && x)
+	:key(key),grid_dst(grid_dst),x(x),interp_pos(interp_pos)
+	{std::cerr << "Error: " <<__FILE__ << ":" << __LINE__ << " Passing a temporal object";};
+#endif
+
+	//! It call the copy function for each property
+	template<typename Tsrc>
+	inline void operator()(Tsrc& t)
+	{
+		// This is the type of the object we have to copy
+		typedef typename boost::mpl::at_c<typename Grid_dst::value_type::type,Tsrc::value>::type copy_type;
+
+		interp_ele_sca_array<copy_type,Tsrc,Tdst,Grid_src,Grid_dst,std::rank<copy_type>::value>::interp(grid_dst,key_dst,x,key_src,interp_pos[Tsrc::value]);
+	}
+};
+
+
+#endif /* SRC_GRID_STAGGERED_DIST_GRID_COPY_HPP_ */