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/* -*- c++ -*- */
/*
* Copyright 2007,2013,2018 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 ARGMAX_H
#define ARGMAX_H
#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
#include <cstdint>
namespace gr {
namespace blocks {
/*!
* \brief Compares vectors from multiple streams and determines
* the index in the vector and stream number where the maximum
* value occurred.
* \ingroup math_operators_blk
*
* \details
* Data is passed in as a vector of length \p vlen from multiple
* input sources. It will look through these streams of \p vlen
* data items and output two streams:
*
* \li Stream 0 will contain the index value in the vector where
* the maximum value occurred.
*
* \li Stream 1 will contain the number of the input stream that
* held the maximum value.
*/
template <class T>
class BLOCKS_API argmax : virtual public sync_block
{
public:
typedef boost::shared_ptr<argmax<T>> sptr;
static sptr make(size_t vlen);
};
typedef argmax<float> argmax_fs;
typedef argmax<std::int32_t> argmax_is;
typedef argmax<std::int16_t> argmax_ss;
} /* namespace blocks */
} /* namespace gr */
#endif /* ARGMAX_H */
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