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complex.h

/*  
    complex.h:

    Copyright (C) 1997 Michael A. Casey

    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
*/

#ifndef _NR_COMPLEX_H_
#define _NR_COMPLEX_H_

#ifndef _FCOMPLEX_DECLARE_T_
typedef struct FCOMPLEX {double r,i;} fcomplex; /* >> was float<< */
#define _FCOMPLEX_DECLARE_T_
#endif /* _FCOMPLEX_DECLARE_T_ */

fcomplex Cadd(fcomplex a, fcomplex b);
fcomplex Csub(fcomplex a, fcomplex b);
fcomplex Cmul(fcomplex a, fcomplex b);
fcomplex Complex(double re, double im);
fcomplex Conjg(fcomplex z);
fcomplex Cdiv(fcomplex a, fcomplex b);
double Cabs(fcomplex z);
fcomplex Csqrt(fcomplex z);
fcomplex RCmul(double x, fcomplex a);

#endif /* _NR_COMPLEX_H_ */

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