how to print float value in c++ code example

Example 1: how to specify how many decimal to print out with std::cout

#include <iostream>
#include <iomanip>

int main()
{
    double d = 122.345;
    std::cout << std::fixed << std::setprecision(2) << d;
}

//result that get print out: 122.34

Example 2: how print fload wiht 3 decimal in c++

#include <iostream>
#include <cstdio>
using namespace std;

int main() 
{
    // This code helps you to print a number with desired decimal
    double Number=10.3454;
    printf("%.3lf",Number);

    return 0;
}

Example 3: how to make a float in C++

public float whatYourFloatIsCalled = 0;
public float whatIsYourFloat;

Example 4: float in c++

float contains less storage than a double. 
float p = 25.0;
double p = 25.0;