c++ round number to whole
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
double num1 = 4.8;
double num2 = 4.3;
cout << round(num1) << endl; // --> 5
cout << round(num2) << endl; // --> 4
}c++ round number to whole
#include <iostream>
#include <cmath>
using namespace std;
int main()
{
double num1 = 4.8;
double num2 = 4.3;
cout << round(num1) << endl; // --> 5
cout << round(num2) << endl; // --> 4
}round double to n decimal places c++
float roundoff(float value, unsigned char prec)
{
float pow_10 = pow(10.0f, (float)prec);
return round(value * pow_10) / pow_10;
}
auto rounded = roundoff(100.123456, 3);
// rounded = 100.123;Copyright © 2021 Codeinu
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