NumeroReal.h
#pragma once
#include <iostream>
#include <cmath>
#include <cstdlib>
using namespace std;
class NumeroReal
{
private:
double n;
public:
NumeroReal(); // default constructor
NumeroReal( double n ); // parameter constructor
NumeroReal( const NumeroReal &unNumeroReal ); // copy constructor
~NumeroReal(); // destructor
void setNumeroReal( double n );
double getNumeroReal() const;
friend ostream &operator << ( ostream &output, const NumeroReal &unNumeroReal );
friend istream &operator >> ( istream &input, NumeroReal &unNumeroReal );
NumeroReal cos() const;
};NumeroReal.cpp
#include "NumeroReal.h"
NumeroReal::NumeroReal(void)
{
this->n = 1.0;
}
NumeroReal::NumeroReal( double n )
{
this->n = n;
}
NumeroReal::NumeroReal( const NumeroReal &unNumeroReal )
{
this->n = unNumeroReal.n;
}
NumeroReal::~NumeroReal(void)
{
}
//xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
void NumeroReal::setNumeroReal( double n )
{
this->n = n;
}
double NumeroReal::getNumeroReal() const
{
return ( this->n );
}
//xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
ostream &operator << ( ostream &output, const NumeroReal &unNumeroReal )
{
output << unNumeroReal.n;
return ( output );
}
istream &operator >> ( istream &input, NumeroReal &unNumeroReal )
{
cout << "Entre un numero real: ";
cin >> unNumeroReal.n;
return ( input );
}
NumeroReal NumeroReal::cos() const
{
return ( this->cos() );
}Main.cpp
#include "NumeroReal.h"
#include <iostream>
#include <cmath>
#include <conio.h>
#include <cstdlib>
using namespace std;
int main ()
{
NumeroReal n1, n2( 4.0 );
cout << "Numero Real # 1" << endl;
cin >> n1;
cout << "\nNumero Real # 2" << endl;
cin >> n2;
cout << cos( n1 ) << "\n\n";
system("PAUSE");
return 0;
}I want to find the cos( n1 ) but when i try to print it it gives me this error:
------ Build started: Project: CalculosNumeros, Configuration: Debug Win32 ------
Compiling...
Main.cpp
c:\documents and settings\mpayne007\my documents\visual studio 2005\projects\calculosnumeros\calculosnumeros\main.cpp(78) : error C2665: 'cos' : none of the 3 overloads could convert all the argument types
c:\program files\microsoft visual studio 8\vc\include\math.h(116): could be 'double cos(double)'
c:\program files\microsoft visual studio 8\vc\include\math.h(503): or 'float cos(float)'
c:\program files\microsoft visual studio 8\vc\include\math.h(551): or 'long double cos(long double)'
while trying to match the argument list '(NumeroReal)'
Build log was saved at "file://c:\Documents and Settings\MPayne007\My Documents\Visual Studio 2005\Projects\CalculosNumeros\CalculosNumeros\Debug\BuildLog.htm"
CalculosNumeros - 1 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
