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/* -*- c++ -*- */
/*
* Copyright 2012,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_GR_VECTOR_MAP_H
#define INCLUDED_GR_VECTOR_MAP_H
#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
#include <vector>
namespace gr {
namespace blocks {
/*!
* \brief Maps elements from a set of input vectors to a set of output vectors.
* \ingroup stream_operators_blk
*
* \details
* 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 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 */
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