Daviddoria: Created page with '==OverloadOperator.cpp== #include class Point { private: double a; public: double x,y,z; Point(const double xin, const double yin, con…'

2010-06-23T12:51:27Z

Created page with '==OverloadOperator.cpp== <source lang="cpp"> #include <iostream> class Point { private: double a; public: double x,y,z; Point(const double xin, const double yin, con…'

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==OverloadOperator.cpp==
<source lang="cpp">
#include <iostream>

class Point
{
private:
double a;

public:
double x,y,z;

Point(const double xin, const double yin, const double zin) : x(xin), y(yin), z(zin) {a = 5.0;}

Point operator+(const Point &P) const;

//Point& operator=(const Point &rhs);// const;
Point operator=(const Point &rhs);

friend std::ostream& operator<<(std::ostream& output, const Point &P);

double operator[](int index)
{
if(index == 0)
{
return x;
}
else if(index == 1)
{
return y;
}
else if(index == 2)
{
return z;
}
}
};

Point Point::operator+(const Point &P) const
{
return Point(x+P.x, y+P.y, z+P.z);
}

/*
Point& Point::operator=(const Point &rhs)// const
{
x = rhs.x;
y = rhs.y;
z = rhs.z;
return this;
}
*/

Point Point::operator=(const Point &rhs)// const
{
x = rhs.x;
y = rhs.y;
z = rhs.z;
return *this;
}

std::ostream& operator<<(std::ostream& output, const Point &P)
{
output << "Point: " << P.x << " " << P.y << " " << P.z << std::endl;
output << P.a << std::endl;
return output;
}

bool operator<(const Point &P1, const Point &P2)
{
if(P1.x < P2.x)
{
return true;
}
else if (P2.x < P1.x)
{
return false;
}

if (P1.y < P2.y)
{
return true;
}
else if (P2.y < P1.y)
{
return false;
}

if (P1.z < P2.z)
{
return true;
}
else if (P2.z < P1.z)
{
return false;
}
}

int main(int argc, char* argv[])
{
Point P(0.0, 1.1, 2.0);
std::cout << P << std::endl;

Point P2(1.0, 2.0, 3.0);
std::cout << P + P2 << std::endl;

std::cout << P[0] << " " << P[1] << std::endl;

return 0;
}

</source>

CPP/OverloadOperator - Revision history

Daviddoria: Created page with '==OverloadOperator.cpp== #include class Point { private: double a; public: double x,y,z; Point(const double xin, const double yin, con…'