abs_blk.h

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/* -*- c++ -*- */
/*
 * Copyright 2012,2018 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 ABS_BLK_H
#define ABS_BLK_H
 
#include <gnuradio/blocks/api.h>
#include <gnuradio/sync_block.h>
#include <cstdint>
 
namespace gr {
namespace blocks {
 
/*!
 * \brief output[m] = abs(input[m]) for all M streams.
 * \ingroup boolean_operators_blk
 *
 * \details
 * absolute value of data stream (Strip sign)
 */
template <class T>
class BLOCKS_API abs_blk : virtual public sync_block
{
 
public:
    // gr::blocks::abs_blk::sptr
    typedef boost::shared_ptr<abs_blk<T>> sptr;
 
    /*!
     * \brief Create an instance of abs_blk
     */
    static sptr make(size_t vlen = 1);
};
 
typedef abs_blk<std::int16_t> abs_ss;
typedef abs_blk<std::int32_t> abs_ii;
typedef abs_blk<float> abs_ff;
} /* namespace blocks */
} /* namespace gr */
 
#endif /* ABS_BLK_H */