[Solved] C++ function returning wrong data type

Question

When you call round() with double agrument you actually call:

double round(double x);

from <cmath> not your version hence the error. If you rename your function error would be gone without cast. Yet another reason to avoid using namespace std.

Accepted Answer

When you call round() with double agrument you actually call:

double round(double x);

from <cmath> not your version hence the error. If you rename your function error would be gone without cast. Yet another reason to avoid using namespace std.