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/**************************************************************************
* Parks-McClellan algorithm for FIR filter design (C version)
*-------------------------------------------------
* Copyright (c) 1995,1998 Jake Janovetz (janovetz@uiuc.edu)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*************************************************************************/
#ifndef __REMEZ_H__
#define __REMEZ_H__
#define BANDPASS 1
#define DIFFERENTIATOR 2
#define HILBERT 3
#define NEGATIVE 0
#define POSITIVE 1
#define Pi 3.1415926535897932
#define Pi2 6.2831853071795865
#define GRIDDENSITY 16
#define MAXITERATIONS 40
/* Function prototype for remez() - the only function that should need be
* called from external code
*/
void remez(double h[], int numtaps,
int numband, double bands[], double des[], double weight[],
int type);
#endif /* __REMEZ_H__ */
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