root / gnuradio-core / src / lib / filter / gr_fft_filter_ccc.cc @ 0f73b099
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| 1 | 5d69a524 | jcorgan | /* -*- c++ -*- */
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| 2 | 5d69a524 | jcorgan | /*
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| 3 | 0a9b999b | Eric Blossom | * Copyright 2005,2010 Free Software Foundation, Inc. |
| 4 | 5d69a524 | jcorgan | * |
| 5 | 5d69a524 | jcorgan | * This file is part of GNU Radio |
| 6 | 5d69a524 | jcorgan | * |
| 7 | 5d69a524 | jcorgan | * GNU Radio is free software; you can redistribute it and/or modify |
| 8 | 5d69a524 | jcorgan | * it under the terms of the GNU General Public License as published by |
| 9 | 937b719d | eb | * the Free Software Foundation; either version 3, or (at your option) |
| 10 | 5d69a524 | jcorgan | * any later version. |
| 11 | 5d69a524 | jcorgan | * |
| 12 | 5d69a524 | jcorgan | * GNU Radio is distributed in the hope that it will be useful, |
| 13 | 5d69a524 | jcorgan | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | 5d69a524 | jcorgan | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | 5d69a524 | jcorgan | * GNU General Public License for more details. |
| 16 | 5d69a524 | jcorgan | * |
| 17 | 5d69a524 | jcorgan | * You should have received a copy of the GNU General Public License |
| 18 | 5d69a524 | jcorgan | * along with GNU Radio; see the file COPYING. If not, write to |
| 19 | 86f5c924 | eb | * the Free Software Foundation, Inc., 51 Franklin Street, |
| 20 | 86f5c924 | eb | * Boston, MA 02110-1301, USA. |
| 21 | 5d69a524 | jcorgan | */ |
| 22 | 5d69a524 | jcorgan | |
| 23 | 5d69a524 | jcorgan | /*
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| 24 | 5d69a524 | jcorgan | * WARNING: This file is automatically generated by generate_gr_fft_filter_XXX.py |
| 25 | 5d69a524 | jcorgan | * Any changes made to this file will be overwritten. |
| 26 | 5d69a524 | jcorgan | */ |
| 27 | 5d69a524 | jcorgan | |
| 28 | 5d69a524 | jcorgan | #ifdef HAVE_CONFIG_H
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| 29 | 5d69a524 | jcorgan | #include "config.h" |
| 30 | 5d69a524 | jcorgan | #endif
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| 31 | 5d69a524 | jcorgan | |
| 32 | 5d69a524 | jcorgan | #include <gr_fft_filter_ccc.h> |
| 33 | a34f397a | Tom Rondeau | //#include <gri_fft_filter_ccc_sse.h>
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| 34 | c7b26f66 | Tom Rondeau | #include <gri_fft_filter_ccc_generic.h> |
| 35 | 5d69a524 | jcorgan | #include <gr_io_signature.h> |
| 36 | 5d69a524 | jcorgan | #include <gri_fft.h> |
| 37 | 5d69a524 | jcorgan | #include <math.h> |
| 38 | 5d69a524 | jcorgan | #include <assert.h> |
| 39 | 5d69a524 | jcorgan | #include <stdexcept> |
| 40 | 5d69a524 | jcorgan | #include <gr_firdes.h> |
| 41 | 5d69a524 | jcorgan | |
| 42 | 3d96f593 | anastas | #include <cstdio> |
| 43 | 5d69a524 | jcorgan | #include <iostream> |
| 44 | 38ea3a57 | eb | #include <string.h> |
| 45 | 5d69a524 | jcorgan | |
| 46 | 7e10a264 | Tom Rondeau | gr_fft_filter_ccc_sptr gr_make_fft_filter_ccc (int decimation,
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| 47 | 7e10a264 | Tom Rondeau | const std::vector<gr_complex> &taps,
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| 48 | 7e10a264 | Tom Rondeau | int nthreads)
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| 49 | 5d69a524 | jcorgan | {
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| 50 | 7e10a264 | Tom Rondeau | return gnuradio::get_initial_sptr(new gr_fft_filter_ccc (decimation, taps, nthreads)); |
| 51 | 5d69a524 | jcorgan | } |
| 52 | 5d69a524 | jcorgan | |
| 53 | 5d69a524 | jcorgan | |
| 54 | 7e10a264 | Tom Rondeau | gr_fft_filter_ccc::gr_fft_filter_ccc (int decimation,
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| 55 | 7e10a264 | Tom Rondeau | const std::vector<gr_complex> &taps,
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| 56 | 7e10a264 | Tom Rondeau | int nthreads)
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| 57 | 5d69a524 | jcorgan | : gr_sync_decimator ("fft_filter_ccc",
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| 58 | 5d69a524 | jcorgan | gr_make_io_signature (1, 1, sizeof (gr_complex)), |
| 59 | 5d69a524 | jcorgan | gr_make_io_signature (1, 1, sizeof (gr_complex)), |
| 60 | 5d69a524 | jcorgan | decimation), |
| 61 | 72c47024 | Tom Rondeau | d_updated(false)
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| 62 | 5d69a524 | jcorgan | {
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| 63 | 5d69a524 | jcorgan | set_history(1);
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| 64 | a34f397a | Tom Rondeau | #if 1 // don't enable the sse version until handling it is worked out |
| 65 | 7e10a264 | Tom Rondeau | d_filter = new gri_fft_filter_ccc_generic(decimation, taps, nthreads);
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| 66 | c7b26f66 | Tom Rondeau | #else
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| 67 | 1933148c | Tom Rondeau | d_filter = new gri_fft_filter_ccc_sse(decimation, taps);
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| 68 | c7b26f66 | Tom Rondeau | #endif
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| 69 | 5faab4fb | Tom Rondeau | d_new_taps = taps; |
| 70 | 72c47024 | Tom Rondeau | d_nsamples = d_filter->set_taps(taps); |
| 71 | 72c47024 | Tom Rondeau | set_output_multiple(d_nsamples); |
| 72 | 5d69a524 | jcorgan | } |
| 73 | 5d69a524 | jcorgan | |
| 74 | 5d69a524 | jcorgan | gr_fft_filter_ccc::~gr_fft_filter_ccc () |
| 75 | 5d69a524 | jcorgan | {
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| 76 | 72c47024 | Tom Rondeau | delete d_filter;
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| 77 | 5d69a524 | jcorgan | } |
| 78 | 5d69a524 | jcorgan | |
| 79 | 5d69a524 | jcorgan | void
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| 80 | 5d69a524 | jcorgan | gr_fft_filter_ccc::set_taps (const std::vector<gr_complex> &taps)
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| 81 | 5d69a524 | jcorgan | {
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| 82 | 5d69a524 | jcorgan | d_new_taps = taps; |
| 83 | 5d69a524 | jcorgan | d_updated = true;
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| 84 | 5d69a524 | jcorgan | } |
| 85 | 5d69a524 | jcorgan | |
| 86 | 5faab4fb | Tom Rondeau | std::vector<gr_complex> |
| 87 | 5faab4fb | Tom Rondeau | gr_fft_filter_ccc::taps () const
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| 88 | 5faab4fb | Tom Rondeau | {
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| 89 | 5faab4fb | Tom Rondeau | return d_new_taps;
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| 90 | 5faab4fb | Tom Rondeau | } |
| 91 | 5faab4fb | Tom Rondeau | |
| 92 | 7e10a264 | Tom Rondeau | void
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| 93 | 7e10a264 | Tom Rondeau | gr_fft_filter_ccc::set_nthreads(int n)
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| 94 | 7e10a264 | Tom Rondeau | {
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| 95 | 7e10a264 | Tom Rondeau | if(d_filter)
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| 96 | 7e10a264 | Tom Rondeau | d_filter->set_nthreads(n); |
| 97 | 7e10a264 | Tom Rondeau | } |
| 98 | 7e10a264 | Tom Rondeau | |
| 99 | 7e10a264 | Tom Rondeau | int
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| 100 | 7e10a264 | Tom Rondeau | gr_fft_filter_ccc::nthreads() const
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| 101 | 7e10a264 | Tom Rondeau | {
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| 102 | 7e10a264 | Tom Rondeau | if(d_filter)
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| 103 | 7e10a264 | Tom Rondeau | return d_filter->nthreads();
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| 104 | 7e10a264 | Tom Rondeau | else
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| 105 | 7e10a264 | Tom Rondeau | return 0; |
| 106 | 7e10a264 | Tom Rondeau | } |
| 107 | 7e10a264 | Tom Rondeau | |
| 108 | 7e10a264 | Tom Rondeau | |
| 109 | 5d69a524 | jcorgan | int
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| 110 | 5d69a524 | jcorgan | gr_fft_filter_ccc::work (int noutput_items,
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| 111 | 5d69a524 | jcorgan | gr_vector_const_void_star &input_items, |
| 112 | 5d69a524 | jcorgan | gr_vector_void_star &output_items) |
| 113 | 5d69a524 | jcorgan | {
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| 114 | 72c47024 | Tom Rondeau | const gr_complex *in = (const gr_complex *) input_items[0]; |
| 115 | 5d69a524 | jcorgan | gr_complex *out = (gr_complex *) output_items[0];
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| 116 | 5d69a524 | jcorgan | |
| 117 | 5d69a524 | jcorgan | if (d_updated){
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| 118 | 72c47024 | Tom Rondeau | d_nsamples = d_filter->set_taps(d_new_taps); |
| 119 | 5d69a524 | jcorgan | d_updated = false;
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| 120 | 72c47024 | Tom Rondeau | set_output_multiple(d_nsamples); |
| 121 | 5d69a524 | jcorgan | return 0; // output multiple may have changed |
| 122 | 5d69a524 | jcorgan | } |
| 123 | 5d69a524 | jcorgan | |
| 124 | 5d69a524 | jcorgan | assert(noutput_items % d_nsamples == 0);
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| 125 | 5d69a524 | jcorgan | |
| 126 | 72c47024 | Tom Rondeau | d_filter->filter(noutput_items, in, out); |
| 127 | 5d69a524 | jcorgan | |
| 128 | 72c47024 | Tom Rondeau | //assert((out - (gr_complex *) output_items[0]) == noutput_items);
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| 129 | 5d69a524 | jcorgan | |
| 130 | 5d69a524 | jcorgan | return noutput_items;
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| 131 | 5d69a524 | jcorgan | } |