/* -*- c++ -*- */ /* * Copyright 2004,2010,2012 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. */ // @WARNING@ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "@NAME@.h" #include <gr_io_signature.h> #include <assert.h> #include <stdexcept> #include <iostream> namespace gr { namespace trellis { @BASE_NAME@::sptr @BASE_NAME@::make(int O, int D, const std::vector<@I_TYPE@> &TABLE, digital::trellis_metric_type_t TYPE) { return gnuradio::get_initial_sptr (new @IMPL_NAME@(O,D,TABLE,TYPE)); } @IMPL_NAME@::@IMPL_NAME@(int O, int D, const std::vector<@I_TYPE@> &TABLE, digital::trellis_metric_type_t TYPE) : gr_block("@BASE_NAME@", gr_make_io_signature(1, -1, sizeof (@I_TYPE@)), gr_make_io_signature(1, -1, sizeof (float))), d_O(O), d_D(D), d_TYPE(TYPE), d_TABLE(TABLE) { set_relative_rate (1.0 * d_O / ((double) d_D)); set_output_multiple ((int)d_O); } @IMPL_NAME@::~@IMPL_NAME@() { } void @IMPL_NAME@::set_TABLE(const std::vector<@I_TYPE@> &table) { d_TABLE = table; } void @IMPL_NAME@::forecast(int noutput_items, gr_vector_int &ninput_items_required) { int input_required = d_D * noutput_items / d_O; unsigned ninputs = ninput_items_required.size(); for(unsigned int i = 0; i < ninputs; i++) ninput_items_required[i] = input_required; } int @IMPL_NAME@::general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) { int nstreams = input_items.size(); for(int m = 0; m < nstreams; m++) { const @I_TYPE@ *in = (@I_TYPE@*)input_items[m]; float *out = (float*)output_items[m]; for(int i = 0; i < noutput_items / d_O ; i++) { calc_metric(d_O, d_D, d_TABLE,&(in[i*d_D]), &(out[i*d_O]), d_TYPE); } } consume_each(d_D * noutput_items / d_O); return noutput_items; } } /* namespace trellis */ } /* namespace gr */