3 * Copyright 2009 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 along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 #include <vrt/copiers.h>
26 #include <arpa/inet.h>
31 copy_net_16sc_to_host_16sc(size_t nitems,
32 const uint32_t *items,
33 std::complex<int16_t> *host_items)
35 #ifdef WORDS_BIGENDIAN
37 assert(sizeof(items[0]) == sizeof(host_items[0]));
38 memcpy(host_items, items, nitems * sizeof(items[0]));
42 // FIXME SIMD welcome here
44 for (size_t i = 0; i < nitems; i++){
45 uint32_t t = ntohl(items[i]);
46 //printf("%9d\n", items[i]);
47 host_items[i] = std::complex<int16_t>((t >> 16), t & 0xffff);
54 copy_net_16sc_to_host_32fc(size_t nitems,
55 const uint32_t *items,
56 std::complex<float> *host_items)
58 // FIXME SIMD welcome here
60 for (size_t i = 0; i < nitems; i++){
61 uint32_t t = ntohl(items[i]);
62 int16_t re = (t >> 16) & 0xffff;
63 int16_t im = (t & 0xffff);
64 host_items[i] = std::complex<float>(re * 1.0/32768, im * 1.0/32768);