#include <iostream>
#include<cmath>
using namespace std;


double isValidDimensions(double lenght, double diameter);
double eval_volume(double lengthF, double diameterF);
double eval_mass(double est_volumeF, double massF);
void wedge_or_cylinder(double est_massF, double act_massF);
int main()
{
	double length = 0;  double diameter = 0;
    double act_mass = 0;
	double est_volume = 0; double est_mass = 0;

	cout << "Enter the length:" << endl;
	cin >> length;

	cout << "Enter the diameter" << endl;
	cin >> diameter;

	cout << "Enter the actual weight:" << endl;
	cin >> act_mass;

	if (!isValidDimensions(length, diameter))
		// check len is within the range 1mm to 20mm and dia is in range 0.1mm - 1mm
	{
		cout << "Dimensions are not valid";
	}
	else
	{
		// estimate volume
		est_volume = eval_volume(length, diameter);

		// estimate weight, density 0.05
		est_mass = eval_mass(est_volume, 0.05);

		// display if wedge or cylinder
		wedge_or_cylinder(est_mass, act_mass);
	}


	return 0;

}


double isValidDimensions(double lenghtF, double diameterF)
{
	double x = lenghtF;
	double y = diameterF;

	if( x >= 1 &&  x <=20 && y >= 0.1 && y <= 1 )
	{
	return true;
	}
	else
	 {
	return false;
	 }

}

double eval_volume(double lengthF, double diameterF)
{
	double pi = 3.142;
	double x = lengthF;
	double y = diameterF;

	double volume = pi * pow(y, 2) * x;
	return volume;

}


double eval_mass(double est_volumeF, double massF)
{
	double x = est_volumeF;
	double y = massF;
	double mass = (x * y);
	return mass;


}



void wedge_or_cylinder(double est_massF, double act_massF)
{
	double x = est_massF;
	double y = act_massF;
	double z = x - y;
	if (z > 0.1)
	{
		cout << " The shard is wedge-shaped";

	}
	else
		cout << " The shard is cylinder shaped";


}