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comparison spandsp-0.0.6pre17/src/spandsp/private/awgn.h @ 4:26cd8f1ef0b1

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import spandsp-0.0.6pre17
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 15:50:58 +0200
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3:c6c5a16ce2f2 4:26cd8f1ef0b1
1 /*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * private/awgn.h - An additive Gaussian white noise generator
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2001 Steve Underwood
9 *
10 * All rights reserved.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License version 2.1,
14 * as published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * $Id: awgn.h,v 1.1 2008/11/30 12:38:27 steveu Exp $
26 */
27
28 #if !defined(_SPANDSP_PRIVATE_AWGN_H_)
29 #define _SPANDSP_PRIVATE_AWGN_H_
30
31 /*!
32 AWGN generator descriptor. This contains all the state information for an AWGN generator.
33 */
34 struct awgn_state_s
35 {
36 double rms;
37 long int ix1;
38 long int ix2;
39 long int ix3;
40 double r[98];
41 double gset;
42 int iset;
43 };
44
45 #endif
46 /*- End of file ------------------------------------------------------------*/

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