CPlusPlusClasses/geometry/elipse.cpp

#include "elipse.h"
#define _USE_MATH_DEFINES// for C++
#include <math.h>	
double elipse::calc_area()
{
	return R2*R1*M_PI;
}
	
double elipse::calc_perimeter()
{
	return 4*(M_PI*R1*R2+R1-R2)/(R1+R2);
}

void elipse::name()
{
	cout << "elipse \n";
}