//Header file of COMPLEX2.cpp
#include <stdio.h>
#include <math.h>
  
#define  INF   1.2e16            // big number
#define  TINY  1e-16             // small number
#define  PI    4*atan(1)

  //COMPLEX number
  typedef  struct {
             double a,b;  //algebraic form
             double r,t;  //polar form 
  } COMPLEX; 

  void AssignXY(COMPLEX *Z, double x, double y);
  void AssignRT(COMPLEX *Z, double r, double t);
  void DisplayComplex(COMPLEX Z);
  void DisplayComplexR(COMPLEX Z);
  void AddComplex(COMPLEX *Z2, COMPLEX Z, COMPLEX Z1);
  void SubComplex(COMPLEX *Z2, COMPLEX Z, COMPLEX Z1);
  void ChsComplex(COMPLEX *Z1, COMPLEX Z);
  void MulComplex(COMPLEX *Z2, COMPLEX Z, COMPLEX Z1);
  void DivComplex(COMPLEX *Z2, COMPLEX Z, COMPLEX Z1);
  void ExpComplex(COMPLEX *Z1, COMPLEX Z);
  void LnComplex(COMPLEX *Z1, COMPLEX Z);
  void PowerComplex(COMPLEX *Z2, COMPLEX Z, COMPLEX Z1);
  void CosComplex(COMPLEX *Z1, COMPLEX Z);
  void SinComplex(COMPLEX *Z1, COMPLEX Z);
  void TanComplex(COMPLEX *Z1, COMPLEX Z);
  void ChComplex(COMPLEX *Z1, COMPLEX Z);
  void ShComplex(COMPLEX *Z1, COMPLEX Z);
  void ThComplex(COMPLEX *Z1, COMPLEX Z);
  void ArcCosComplex(COMPLEX *Z1, COMPLEX Z);
  void ArcSinComplex(COMPLEX *Z1, COMPLEX Z);
  void ArcTanComplex(COMPLEX *Z1, COMPLEX Z);
  void ArgChComplex(COMPLEX *Z1, COMPLEX Z);
  void ArgShComplex(COMPLEX *Z1, COMPLEX Z);
  void ArgThComplex(COMPLEX *Z1, COMPLEX Z);

//end of file COMPLEX2.h