1 files changed, 71 insertions, 0 deletions
diff --git a/gr-blocks/include/blocks/vector_map.h b/gr-blocks/include/blocks/vector_map.h
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+++ b/gr-blocks/include/blocks/vector_map.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2012,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_GR_VECTOR_MAP_H
+#define INCLUDED_GR_VECTOR_MAP_H
+
+#include <blocks/api.h>
+#include <vector>
+#include <gr_sync_block.h>
+
+namespace gr {
+  namespace blocks {
+
+    /*!
+     * \brief Maps elements from a set of input vectors to a set of output vectors.
+     * \ingroup slicedice_blk
+     *
+     * If in[i] is the input vector in the i'th stream then the output
+     * vector in the j'th stream is:
+     *
+     * out[j][k] = in[mapping[j][k][0]][mapping[j][k][1]]
+     *
+     * That is mapping is of the form (out_stream1_mapping,
+     * out_stream2_mapping, ...)  and out_stream1_mapping is of the
+     * form (element1_mapping, element2_mapping, ...)  and
+     * element1_mapping is of the form (in_stream, in_element).
+     */
+    class BLOCKS_API vector_map : virtual public gr_sync_block
+    {
+    public:
+      // gr::blocks::vector_map::sptr
+      typedef boost::shared_ptr<vector_map> sptr;
+
+      /*!
+       * Build a vector map block.
+       *
+       * \param item_size (integer) size of vector elements
+       * \param in_vlens (vector of integers) number of elements in each
+       *                 input vector
+       * \param mapping (vector of vectors of vectors of integers) how to
+       *                map elements from input to output vectors
+       */
+      static sptr make(size_t item_size, std::vector<size_t> in_vlens,
+                       std::vector< std::vector< std::vector<size_t> > > mapping);
+
+      virtual void set_mapping(std::vector< std::vector< std::vector<size_t> > > mapping) = 0;
+    };
+
+  } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_VECTOR_MAP_H */