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/* original version found at http://www.ews.uiuc.edu/%7Ejanovetz/DSP/remez/ */ |
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/* added static modifiers before most functions */ |
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|
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/************************************************************************** |
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* Parks-McClellan algorithm for FIR filter design (C version) |
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*------------------------------------------------- |
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* Copyright (c) 1995,1998 Jake Janovetz (janovetz@uiuc.edu) |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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|
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the Free |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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*************************************************************************/ |
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#ifndef __REMEZ_H__ |
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#define __REMEZ_H__ |
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|
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#define BANDPASS 1 |
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#define DIFFERENTIATOR 2 |
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#define HILBERT 3 |
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|
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#define NEGATIVE 0 |
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#define POSITIVE 1 |
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|
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#define GRIDDENSITY 16 |
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#define MAXITERATIONS 90 |
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|
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/* Function prototype for remez() - the only function that should need be |
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* called from external code |
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*/ |
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void remez(double h[], int numtaps, |
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int numband, double bands[], double des[], double weight[], |
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int type); |
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|
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#endif /* __REMEZ_H__ */ |
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