/*this is the header file for functions that allow to work */
/*with complex numbers */

#ifndef complex_h
#define complex_h

#include <default.h>

#define PI 3.141592654


typedef struct DCOMPLEX
{
     double re, im;
} dcomplex;

dcomplex Complex(double real, double imag);
void Cecho(dcomplex z);
double Cre(dcomplex z);
double Cim(dcomplex z);
dcomplex Conjg(dcomplex z);
double Cabs(dcomplex z);
dcomplex Cinv(dcomplex z);
double Carg(dcomplex z);
dcomplex Cadd(dcomplex a, dcomplex b);
dcomplex Csub(dcomplex a, dcomplex b);
dcomplex Cmul(dcomplex a, dcomplex b);
dcomplex CRmul(double x, dcomplex a);

dcomplex Cexp(dcomplex z);
dcomplex Cpow(dcomplex z, double p);
dcomplex Clog(dcomplex z);
double Carg2(dcomplex z);
dcomplex Csin(dcomplex z);
#endif