/* clfilt.h: Copyright (C) 2002 Erik Spjut This file is part of Csound. The Csound Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. Csound 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with Csound; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* clfilt.h */ #define CL_LIM 40 /* The limit on the number of biquadratic sections */ /* Structure for biquadratic filter */ typedef struct { OPDS h; MYFLT *out, *in, *freq, *lohi, *npol, *kind, *pbr, *sbr, *reinit; MYFLT xnm1[CL_LIM], xnm2[CL_LIM], ynm1[CL_LIM], ynm2[CL_LIM], alpha[CL_LIM], beta[CL_LIM], odelta2[CL_LIM], b0[CL_LIM], b1[CL_LIM], b2[CL_LIM], a0[CL_LIM], a1[CL_LIM], a2[CL_LIM], prvfreq; int ilohi, nsec, ikind; } CLFILT;

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