                                                        /* 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;

