and_const_impl.cc

/* -*- c++ -*- */
/*
 * Copyright 2012,2018 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 */


#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "and_const_impl.h"
#include <gnuradio/io_signature.h>

namespace gr {
namespace blocks {

template <class T>
typename and_const<T>::sptr and_const<T>::make(T k)
{
    return gnuradio::make_block_sptr<and_const_impl<T>>(k);
}

template <class T>
and_const_impl<T>::and_const_impl(T k)
    : sync_block("and_const",
                 io_signature::make(1, 1, sizeof(T)),
                 io_signature::make(1, 1, sizeof(T))),
      d_k(k)
{
}

template <class T>
int and_const_impl<T>::work(int noutput_items,
                            gr_vector_const_void_star& input_items,
                            gr_vector_void_star& output_items)
{
    T* iptr = (T*)input_items[0];
    T* optr = (T*)output_items[0];

    int size = noutput_items;

    while (size >= 8) {
        *optr++ = *iptr++ & d_k;
        *optr++ = *iptr++ & d_k;
        *optr++ = *iptr++ & d_k;
        *optr++ = *iptr++ & d_k;
        *optr++ = *iptr++ & d_k;
        *optr++ = *iptr++ & d_k;
        *optr++ = *iptr++ & d_k;
        *optr++ = *iptr++ & d_k;
        size -= 8;
    }

    while (size-- > 0)
        *optr++ = *iptr++ & d_k;

    return noutput_items;
}

template class and_const<std::uint8_t>;
template class and_const<std::int16_t>;
template class and_const<std::int32_t>;
} /* namespace blocks */
} /* namespace gr */