1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/* -*- c++ -*- */
/*
* Copyright 2014,2017 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 <gnuradio/io_signature.h>
#include <volk/volk.h>
#include "multiply_matrix_cc_impl.h"
namespace gr {
namespace blocks {
const std::string multiply_matrix_cc::MSG_PORT_NAME_SET_A = "set_A";
multiply_matrix_cc::sptr
multiply_matrix_cc::make(std::vector<std::vector<gr_complex> > A, gr::block::tag_propagation_policy_t tag_propagation_policy)
{
if (A.empty() || A[0].size() == 0) {
throw std::invalid_argument("matrix A has invalid dimensions.");
}
return gnuradio::get_initial_sptr
(new multiply_matrix_cc_impl(A, tag_propagation_policy));
}
multiply_matrix_cc_impl::multiply_matrix_cc_impl(std::vector<std::vector<gr_complex> > A, gr::block::tag_propagation_policy_t tag_propagation_policy)
: gr::sync_block("multiply_matrix_cc",
gr::io_signature::make(A[0].size(), A[0].size(), sizeof(gr_complex)),
gr::io_signature::make(A.size(), A.size(), sizeof(gr_complex))),
d_A(A)
{
this->set_tag_propagation_policy(tag_propagation_policy);
const int alignment_multiple = volk_get_alignment() / sizeof(gr_complex);
set_alignment(std::max(1, alignment_multiple));
pmt::pmt_t port_name = pmt::string_to_symbol("set_A");
message_port_register_in(port_name);
set_msg_handler(
port_name,
boost::bind(&multiply_matrix_cc_impl::msg_handler_A, this, _1)
);
}
multiply_matrix_cc_impl::~multiply_matrix_cc_impl()
{
}
int
multiply_matrix_cc_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
for (size_t out_idx = 0; out_idx < output_items.size(); out_idx++) {
gr_complex *out = reinterpret_cast<gr_complex *>(output_items[out_idx]);
// Do input 0 first, this saves a memset
const gr_complex *in = reinterpret_cast<const gr_complex *>(input_items[0]);
volk_32fc_s32fc_multiply_32fc(out, in, d_A[out_idx][0], noutput_items);
// Then do inputs 1 through N
for (size_t in_idx = 1; in_idx < input_items.size(); in_idx++) {
in = reinterpret_cast<const gr_complex *>(input_items[in_idx]);
// Yeah, this needs VOLK-ifying (TODO)
for (int i = 0; i < noutput_items; i++) {
out[i] += in[i] * d_A[out_idx][in_idx];
}
}
}
if (tag_propagation_policy() == TPP_CUSTOM) {
propagate_tags_by_A(noutput_items, input_items.size(), output_items.size());
}
return noutput_items;
}
// Copy tags from input k to output l if A[l][k] is not zero
void
multiply_matrix_cc_impl::propagate_tags_by_A(int noutput_items, size_t ninput_ports, size_t noutput_ports)
{
std::vector<gr::tag_t> tags;
for (size_t in_idx = 0; in_idx < ninput_ports; in_idx++) {
get_tags_in_window(
tags,
in_idx,
0,
noutput_items
);
for (size_t out_idx = 0; out_idx < noutput_ports; out_idx++) {
if (d_A[out_idx][in_idx] == std::complex<float>(0, 0)) {
continue;
}
for (size_t i = 0; i < tags.size(); i++) {
add_item_tag(out_idx, tags[i]);
}
}
}
}
// Check dimensions before copying
bool
multiply_matrix_cc_impl::set_A(const std::vector<std::vector<gr_complex> > &new_A)
{
if (d_A.size() != new_A.size()) {
GR_LOG_ALERT(d_logger, "Attempted to set matrix with invalid dimensions.");
return false;
}
for (size_t i = 0; i < d_A.size(); i++) {
if (d_A[i].size() != new_A[i].size()) {
GR_LOG_ALERT(d_logger, "Attempted to set matrix with invalid dimensions.");
return false;
}
}
d_A = new_A;
return true;
}
void
multiply_matrix_cc_impl::msg_handler_A(pmt::pmt_t A)
{
if (!pmt::is_vector(A) && !pmt::is_tuple(A)) {
GR_LOG_ALERT(d_logger, "Invalid message to set A (wrong type).");
return;
}
if (pmt::length(A) != d_A.size()) {
GR_LOG_ALERT(d_logger, "Invalid message to set A (wrong size).");
return;
}
std::vector<std::vector<gr_complex> > new_A(d_A);
for (size_t i = 0; i < pmt::length(A); i++) {
pmt::pmt_t row;
if (pmt::is_vector(A)) {
row = pmt::vector_ref(A, i);
} else if (pmt::is_tuple(A)) {
row = pmt::tuple_ref(A, i);
}
if (pmt::is_vector(row) || pmt::is_tuple(row)) {
if (pmt::length(row) != d_A[0].size()) {
GR_LOG_ALERT(d_logger, "Invalid message to set A (wrong number of columns).");
return;
}
for (size_t k = 0; k < pmt::length(row); k++) {
new_A[i][k] = pmt::to_complex(pmt::is_vector(row) ? pmt::vector_ref(row, k) : pmt::tuple_ref(row, k));
}
} else if (pmt::is_c32vector(row)) {
size_t row_len = 0;
const gr_complex *elements = pmt::c32vector_elements(row, row_len);
if (row_len != d_A[0].size()) {
GR_LOG_ALERT(d_logger, "Invalid message to set A (wrong number of columns).");
return;
}
new_A[i].assign(elements, elements + row_len);
}
}
if (!set_A(new_A)) {
GR_LOG_ALERT(d_logger, "Invalid message to set A.");
}
}
} /* namespace blocks */
} /* namespace gr */
|
