c++ round number up
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
double num1 = 4.8;
double num2 = 4.3;
cout << ceil(num1) << endl; // --> 5
cout << ceil(num2) << endl; // --> 5
}c++ round number up
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
double num1 = 4.8;
double num2 = 4.3;
cout << ceil(num1) << endl; // --> 5
cout << ceil(num2) << endl; // --> 5
}round c++
value round floor ceil trunc
----- ----- ----- ---- -----
2.3 2.0 2.0 3.0 2.0
3.8 4.0 3.0 4.0 3.0
5.5 6.0 5.0 6.0 5.0
-2.3 -2.0 -3.0 -2.0 -2.0
-3.8 -4.0 -4.0 -3.0 -3.0
-5.5 -6.0 -6.0 -5.0 -5.0Copyright © 2021 Codeinu
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