Return structure from a function
#include <cmath>
#include <iostream>
using namespace std;
// define the structures
struct DataStructure
{
float radius;
double angle;
};
struct ResultStructure
{
float area;
double sine;
double cosine;
double tangent;
};
ResultStructure compute(struct DataStructure mystruct);
int main ()
{
DataStructure input;
ResultStructure output;
input.radius = 3;
input.angle = 0.8;
output = compute(input);
cout << " The area is "<< output.area << "\n";
cout << " The sine of the angle is " << output.sine << "\n";
cout << " The cosine of the angle is " << output.cosine << "\n";
cout << " The tangent of the angle is " << output.tangent << "\n";
return 0;
}
ResultStructure compute(struct DataStructure mystruct)
{
ResultStructure answer;
answer.area = pow(mystruct.radius,2);
answer.sine = sin(mystruct.angle);
answer.cosine = cos(mystruct.angle);
answer.tangent = tan(mystruct.angle);
return answer;
};The area is 9
The sine of the angle is 0.717356
The cosine of the angle is 0.696707
The tangent of the angle is 1.02964
