/************************************************************************** * 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[], const double des[], const double weight[],           int type);#endif /* _REMEZ_H_ */