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Diffstat (limited to 'gr-analog/lib/random_uniform_source_impl.cc')
-rw-r--r-- | gr-analog/lib/random_uniform_source_impl.cc | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gr-analog/lib/random_uniform_source_impl.cc b/gr-analog/lib/random_uniform_source_impl.cc new file mode 100644 index 0000000000..cf89cac1e3 --- /dev/null +++ b/gr-analog/lib/random_uniform_source_impl.cc @@ -0,0 +1,76 @@ +/* -*- c++ -*- */ +/* + * Copyright 2015 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. + */ + + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "random_uniform_source_impl.h" +#include <gnuradio/io_signature.h> + +namespace gr { +namespace analog { + +template <class T> +typename random_uniform_source<T>::sptr +random_uniform_source<T>::make(int minimum, int maximum, int seed) { + return gnuradio::get_initial_sptr(new random_uniform_source_impl<T>(minimum, maximum, seed)); +} + +template <class T> +random_uniform_source_impl<T>::random_uniform_source_impl(int minimum, int maximum, int seed) + : sync_block("random_uniform_source", + io_signature::make(0, 0, 0), + io_signature::make(1, 1, sizeof(T))) { + d_rng = new gr::random(seed, minimum, maximum); +} + +template <class T> +random_uniform_source_impl<T>::~random_uniform_source_impl() { + delete d_rng; +} + +template <class T> +int random_uniform_source_impl<T>::random_value() { + return d_rng->ran_int(); +} + +template <class T> +int random_uniform_source_impl<T>::work(int noutput_items, + gr_vector_const_void_star& input_items, + gr_vector_void_star& output_items) { + T* out = (T*)output_items[0]; + + for (int i = 0; i < noutput_items; i++) { + *out++ = (T)random_value(); + } + + // Tell runtime system how many output items we produced. + return noutput_items; +} + +template class random_uniform_source<std::uint8_t>; +template class random_uniform_source<std::int16_t>; +template class random_uniform_source<std::int32_t>; +} /* namespace analog */ +} /* namespace gr */ |