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| author | vovanec <vovanec@90c681e8-e032-0410-971d-27865f9a5e38> | 2007-06-23 16:48:01 +0000 |
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| committer | vovanec <vovanec@90c681e8-e032-0410-971d-27865f9a5e38> | 2007-06-23 16:48:01 +0000 |
| commit | 2d622fd9bcb8da9dd3f3206e296cd6a701fc9d12 (patch) | |
| tree | f92135e6cb831e46336dfd4ade47e03ef3a19ac5 /lib/iir_fpu.h | |
| parent | 4b6a6720805c585c89f44fd276b3ace8670514d9 (diff) | |
| download | qmmp-2d622fd9bcb8da9dd3f3206e296cd6a701fc9d12.tar.gz qmmp-2d622fd9bcb8da9dd3f3206e296cd6a701fc9d12.tar.bz2 qmmp-2d622fd9bcb8da9dd3f3206e296cd6a701fc9d12.zip | |
moved into qmmp dir
git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@12 90c681e8-e032-0410-971d-27865f9a5e38
Diffstat (limited to 'lib/iir_fpu.h')
| -rw-r--r-- | lib/iir_fpu.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/iir_fpu.h b/lib/iir_fpu.h new file mode 100644 index 000000000..990eebf97 --- /dev/null +++ b/lib/iir_fpu.h @@ -0,0 +1,39 @@ +/* + * PCM time-domain equalizer + * + * Copyright (C) 2002-2005 Felipe Rivera <liebremx at users.sourceforge.net> + * + * This program 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 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * $Id: iir_fpu.h,v 1.2 2005/11/01 15:59:20 lisanet Exp $$ + */ +#ifndef IIR_FPU_H +#define IIR_FPU_H + +#define sample_t double + +/* + * Normal FPU implementation data structures + */ +/* Coefficient history for the IIR filter */ +typedef struct +{ + sample_t x[3]; /* x[n], x[n-1], x[n-2] */ + sample_t y[3]; /* y[n], y[n-1], y[n-2] */ + sample_t dummy1; // Word alignment + sample_t dummy2; +}sXYData; + +#endif |
