C++ Tutorial/Structure/return structure
Return structure from a function
<source lang="cpp">#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;
};</source>
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