Комплексное число

#pragma hdrstop
#pragma argsused
#include<math.h>
#include<time.h>
#include<stdlib.h>
#include<iostream.h>
#include<conio.h>
class Complex
{
 int *n;
 double *koef;
 void ShowTermOfComplex(double mas[],int i,int pr);
 void ShowTermOfComplex1(double mas[],int i, int pr, ostream& mystream);
 public:
 Complex();
 Complex(int k);
 Complex(int k, double mas[]);
 Complex(const Complex&ob);
 ~Complex(){delete n; delete[]koef;}
 void GiveMemory(int k);
 void SetComplex();
 void SetComplex(int k, double mas[]);
 void SetDegree(int t){*n=t;};
 void ClearComplex();
 void ShowCoefficients();
 void ShowDegree();
 void ShowComplex();
 void OnlyShowComplex();
 void CalculateValue();
 int GetDegree(){return *n;};
 double GetOneCoefficient(int i){return(koef[i]);};
 Complex operator+(Complex ob);
 Complex operator-(Complex ob);
 Complex operator*(Complex ob);
 /*Complex operator/(Complex ob); */
 double& operator[](int i){return(koef[i]);}
 Complex& operator=(const Complex p){
  if(&p==this) return *this;
  if(koef) delete [] koef;
  *n=*p.n;
  koef=new double [*p.n+1];
  for(int i=0; i<=*p.n; i++)
   koef[i]=p.koef[i];
  return *this;
 }
 friend ostream& operator<<(ostream& mystream, Complex &ob);
 friend istream& operator>>(istream& mystream, Complex &ob);
 int min(int i, int m);
 int max(int n, int m);
 };
 
 void Complex::ShowTermOfComplex(double mas[], int i, int pr)
 {
 if(pr==0){
    if(mas[i]==0) return;
     else cout<<mas[i];
    if(i==0) return;
     else cout<<"x";
    if(i==1) return;
     else cout<<"^"<<i;
    }
    else {
       if(mas[i]==0) return;
    else{
      if(mas[i]>0)cout<<"+";
      cout<<mas[i];
     }
     if(i==0) return;
      else cout<<"x";
     if(i==1) return;
      else cout<<"^"<<i;
     }
  }
 
  void Complex::ShowTermOfComplex1(double mas[], int i, int pr, ostream& mystream)
  {
   if(pr==0) {
      if(mas[i]==0) return;
       else{mystream<<"^"<<0; mystream<<"+";
     mystream<<mas[i]; }
     if(i==0) return;
     else mystream<<"x";
     if(i==1) return;
      else cout<<"^"<<i;
     }
  }
 
  Complex::Complex()
  {
   int i;
   randomize();
   n=new int;
   if(!n){cout<<"Oshibka vbIdeleniq pamqti!!!"; getch(); return;}
   koef=new double[*n+1];
   if(!koef){ cout<<"Oshibka vbIdeleniq pamqti!!!"; getch(); return;}
   for(i=*n; i>=0; i--)
     koef[i]=random(10)-5;
   }
  Complex::Complex(int k)
  {
  int i;
  randomize();
   n=new int;
   if(!n){cout<<"Oshibka vbIdeleniq pamqti!!!"; getch(); return;}
   *n=k;
   koef=new double[*n+1];
   if(!koef){ cout<<"Oshibka vbIdeleniq pamqti!!!"; getch(); return;}
   for(i=*n; i>=0; i--)
     koef[i]=random(10)-5;
   }
 
  Complex::Complex(int k, double mas[])
  {
  int i;
  n=new int;
  if(!n){cout<<"Oshibka vbIdeleniq pamqti!!!"; getch(); return;}
  *n=k;
 
  koef=new double[*n+1];
  if(!koef){ cout<<"Oshibka vbIdeleniq pamqti!!!"; getch(); return;}
  for(i=*n; i>=0; i--)
   koef[i]=mas[i];
 }
 
 Complex::Complex(const Complex&ob)
 {
  int i;
  n=new int;
  if(!n){cout<<"Oshibka vbIdeleniq pamqti!!!"; getch(); return;}
  *n=*ob.n;
 
  koef=new double[*n+1];
  if(!koef){ cout<<"Oshibka vbIdeleniq pamqti!!!"; getch(); return;}
  for(i=0; i<=*n; i--)
   koef[i]=ob.koef[i];
  }
 
  void Complex::GiveMemory(int k)
  {
  if(koef) delete [] koef;
  koef=new double[k+1];
  if(!koef){cout<<"Oshibka vbIdeleniq pamqti!!!"; getch(); return;}
  }
 
 void Complex::SetComplex()
 {
 if(n) delete n;
 n=new int;
 int i;
 cout<<"Vvedite stepen mnogochlena: ";
 cin>>*n;
 cout<<endl;
 if(koef) delete [] koef;
 koef=new double[*n+1];
 for(i=*n; i>=0; i--)
 {
  cout<<"Vvedite koeficent pri stepeni" <<i<<":";
  cin>>koef[i];
 }
}
 void Complex::SetComplex(int k, double mas[])
 {
 int i;
 if(n) delete n;
 n=new int;
 *n=k;
 if(koef) delete [] koef;
 koef=new double [*n+1];
 for(i=*n; i>=0; i--)
  koef[i]=mas[i];
 }
 void Complex::ClearComplex()
 {
 int i;
 for(i=0; i<=*n; i++)
  koef[i]=0;
 *n=0;
 }
 
 void Complex::ShowCoefficients()
 {
 int i;
 for(i=*n; i>=0; i--)
 {
  cout<<"Koefficent pri stepeni"<<i;
  cout<<"raven;";
  cout<<koef[i]<<endl;
  }
 while(!kbhit());
}
 void Complex::ShowDegree()
 {
  cout<<"stepen mnogochlena ="<<*n;
  while(!kbhit());
 }
  void Complex::ShowComplex()
{
 int i,pr=0;
 cout << "Nash mnogochlen:" << endl;
 cout << "f(x)=";
 for( i = *n; i >= 0; i--)
 {
 ShowTermOfComplex(koef,i,pr);
 if(koef[i]!=0)pr=1;
 }
 if (pr==0) cout << 0;
 cout << endl;
 while(!kbhit());
 }
 void Complex::OnlyShowComplex()
 {
  int i,pr=0;
   for(i=*n;i>=0;i--)
  {
  ShowTermOfComplex(koef,i,pr);
  if(koef[i]!=0)pr=1;
  }
  if(pr==0)cout<<0;
  cout << endl;
  }
  void Complex::CalculateValue()
 {
  double s,x;
  int i;
  cout << "Mnogochlen f(x)=";
  OnlyShowComplex();
  cout << "Vvedite znachenie x:";
  cin >> x;
  cout << "f(" << x << ") =";
  for(s=koef[0],i=1;i<=*n;i++)
  s=s+koef[i]*pow(x,i);
  cout << s;
  while(!kbhit());
  }
 
 Complex Complex::operator+(Complex ob)
 {
 int i;
 Complex rab;
 
 rab.GiveMemory(max(*n,ob.GetDegree()));
  for(i=0; i<=min(*n,ob.GetDegree()); i++)
  rab.koef[i]=koef[i]+ob.GetOneCoefficient(i);
 if(*n<ob.GetDegree())
  {
   for(i=min(*n,ob.GetDegree())+1; i<=*n; i++)
    rab.koef[i]=ob.GetOneCoefficient(i);
   *rab.n=ob.GetDegree();
   }
   else
   {
   for(i=min(*n,ob.GetDegree())+1; i<=*n; i++)
    rab.koef[i]=koef[i];
   *rab.n=*n;
  }
  return rab;
 }
 
 Complex Complex::operator-(Complex ob)
 {
  int i;
 Complex rab;
 
 rab.GiveMemory(max(*n,ob.GetDegree()));
  for(i=0; i<=min(*n,ob.GetDegree()); i++)
  rab.koef[i]=koef[i]-ob.GetOneCoefficient(i);
 if(*n<ob.GetDegree())
  {
   for(i=min(*n,ob.GetDegree())+1; i<=ob.GetDegree(); i++)
    rab.koef[i]=-ob.GetOneCoefficient(i);
   *rab.n=ob.GetDegree();
   }
   else
   {
   for(i=min(*n,ob.GetDegree())+1; i<=*n; i++)
    rab.koef[i]=koef[i];
   *rab.n=*n;
  }
  return rab;
  }
 
Complex Complex::operator*(Complex ob)
{
int i,j,k;
double s;
Complex rab;
rab.GiveMemory(*n+ob.GetDegree());
for(i=0;i<=*n+ob.GetDegree();i++)
{ s=0;
for(j=0;j<=*n;j++)
for(k=0;k<=ob.GetDegree();k++)
if(j+k==i)s=s+koef[j]*ob.GetOneCoefficient(k);
rab.koef[i]=s;
}
rab.n=n+ob.GetDegree();
return rab;
}
/*
Complex Complex::operator/(Complex ob)
{
int i,j,k;
double s;
Complex rab;
rab.GiveMemory(n+ob.GetDegree());
for(i=0;i<=n-ob.GetDegree();i++)
{ s=0;
for(j=0;j<=n;j++)
for(k=0;k<=ob.GetDegree();k++)
if(j+k==i)s=s-koef[j]*ob.GetOneCoefficient(k);
rab.koef[i]=s;
}
rab.n=n+ob.GetDegree();
return rab;
}*/
 
ostream& operator<<(ostream& mystream,Complex &ob)
{
 int i, pr=0;
 mystream<<"f(x)=";
 for(i=*ob.n; i>=0; i--)
 {
  ob.ShowTermOfComplex1(ob.koef,i,pr,mystream);
  if(ob.koef[i]!=0) pr=1;
  }
 if(pr==0) mystream <<0;
  return mystream;
 
 }
 
istream& operator>>(istream& mystream,Complex &ob)
{
int i;
cout<<"Enter Degree:";
mystream>>*ob.n;
cout<<endl;
for(i=*ob.n;i>=0;i--)
{
 cout<<"Enter koeff "<<i<<":";
 mystream>>ob.koef[i];
}
return mystream;
}
int Complex::min(int n,int m)
 {
  if(n<m) return n;
  else return m;
 }
 
int Complex::max(int n, int m)
 {
  if(n<m) return m;
  else return n;
 }
 
int main(int argc, char* argv[])
{
Complex p,masp[10],*p1,s;
int n=5,i;
double K[6]={1.0,3.2,0.0,4.1,0.0,1.1};
p1=new Complex(n,K);
p.ShowComplex();
for(i=0; i<10; i++)
 masp[i].ShowComplex();
p1->ShowComplex();
p.SetComplex();
p.ShowDegree();
p.ShowCoefficients();
p1->CalculateValue();
cout<<"Mnogochlen f(x)= ";
p.OnlyShowComplex();
cout<<"Mnogochlen g(x)= ";
masp[0].OnlyShowComplex();
s=p+masp[0];
cout<< "Mnogochlen f(x)+g(x) = ";
s.OnlyShowComplex();
s=p-masp[0];
cout<<"Mnogocnlen f(x)-g(x) = ";
s.OnlyShowComplex();
s=p*masp[0];
cout<<"Mnogochlen f(x)*g(x) = ";
s.OnlyShowComplex();
/*s=p/masp[0];
cout<<"Mnogochlen f(x)/d(x) = ";
s.OnlyShowComplex();  */
s=masp[0];
for(i=1;i<10;i++)
 s=s+masp[i];
cout<<"Summa: ";
s.OnlyShowComplex();
cout<<"Nagmite klavishy!"<<endl;
while(!kbhit());
delete p1;
return 0;
}