3
* Copyright 2004 Free Software Foundation, Inc.
5
* This file is part of GNU Radio
7
* GNU Radio is free software; you can redistribute it and/or modify
8
* it under the terms of the GNU General Public License as published by
9
* the Free Software Foundation; either version 3, or (at your option)
12
* GNU Radio is distributed in the hope that it will be useful,
13
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
* GNU General Public License for more details.
17
* You should have received a copy of the GNU General Public License
18
* along with GNU Radio; see the file COPYING. If not, write to
19
* the Free Software Foundation, Inc., 51 Franklin Street,
20
* Boston, MA 02110-1301, USA.
23
// WARNING: this file is machine generated. Edits will be over written
29
#include <trellis_metrics_i.h>
30
#include <gr_io_signature.h>
36
trellis_metrics_i_sptr
37
trellis_make_metrics_i (int O, int D, const std::vector<int> &TABLE, trellis_metric_type_t TYPE)
39
return trellis_metrics_i_sptr (new trellis_metrics_i (O,D,TABLE,TYPE));
44
trellis_metrics_i::trellis_metrics_i (int O, int D, const std::vector<int> &TABLE, trellis_metric_type_t TYPE)
45
: gr_block ("metrics_i",
46
gr_make_io_signature (1, -1, sizeof (int)),
47
gr_make_io_signature (1, -1, sizeof (float))),
53
set_relative_rate (1.0 * d_O / ((double) d_D));
54
set_output_multiple ((int)d_O);
57
void trellis_metrics_i::set_TABLE (const std::vector<int> &table)
64
trellis_metrics_i::forecast (int noutput_items, gr_vector_int &ninput_items_required)
66
assert (noutput_items % d_O == 0);
67
int input_required = d_D * noutput_items / d_O;
68
unsigned ninputs = ninput_items_required.size();
69
for (unsigned int i = 0; i < ninputs; i++)
70
ninput_items_required[i] = input_required;
76
trellis_metrics_i::general_work (int noutput_items,
77
gr_vector_int &ninput_items,
78
gr_vector_const_void_star &input_items,
79
gr_vector_void_star &output_items)
82
assert (noutput_items % d_O == 0);
83
assert (input_items.size() == output_items.size());
84
int nstreams = input_items.size();
86
for (int m=0;m<nstreams;m++) {
87
const int *in = (int *) input_items[m];
88
float *out = (float *) output_items[m];
90
for (int i = 0; i < noutput_items / d_O ; i++){
91
calc_metric(d_O, d_D, d_TABLE,&(in[i*d_D]),&(out[i*d_O]), d_TYPE);
95
consume_each (d_D * noutput_items / d_O);