/***************************************************************************
* Copyright (C) 2010 by Matthias Ihrke *
* ihrke@nld.ds.mpg.de
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* aint with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
/**\file complex.h
\brief \ref status_stable complex
Complex Numbers.
*/
#ifndef COMPLEX_H
# define COMPLEX_H
#include "definitions.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
double re;
double im;
} Complex;
/* ----------------------------------------------------------------------------
-- Complex Arithmetic
---------------------------------------------------------------------------- */
Complex complex ( double re, double im );
Complex complex_add ( Complex a, Complex b );
Complex complex_add_dbl ( Complex a, double b );
Complex complex_sub ( Complex a, Complex b );
Complex complex_mul ( Complex a, Complex b );
Complex complex_mul_double( Complex a, double b );
double complex_abs ( Complex a );
Complex complex_exp ( Complex a );
Complex complex_conj( Complex a );
Complex complex_neg ( Complex a );
Complex complex_div ( Complex a, Complex b);
Complex complex_sqrt( Complex x );
Complex complex_bilinear_transform(Complex pz);
#ifdef __cplusplus
}
#endif
#endif /* COMPLEX_H */
