I have a code like this... #include<iostream> using namespace std; int main(){ float num; cin >> num; cout << num; return 0; } Input: 256.1024 Output: 256.102 Why does...

I've got the task to convert some C# code to C++ and I've problems with chrono. Goal is to round a time to a variable time span. C#: int iRoundTo = 30; // can be 45 or other variable value, not a cons...

Currently have a formula that outputs a number, with the round() function rounding the answer to a whole number. How can I get 3 decimal places in my answers. Odd request, but is there a way for it to...

Let’s imagine I would like to round a number (i.e x = 7.4355) to a given arbitrary precision (i.e p = 0.002). In this case, I would expect to see: round_arbitrary(x, p) = 7.436 What would be the best...