sqrt() - Function cmath C ++ library

sqrt( value );

The function sqrt() cmath library (math.h) It takes the value parameter and returns the square root.

If the ( in our case – value) negative, an error.

#include <iostream>  
#include <cmath> 
 
int main ()
{
  int value = 25;
 
  std::cout << sqrt(value) << std::endl;
 
  return 0;
}

#include <iostream>

#include <cmath>

int main ()

{

int value = 25;

std::cout << sqrt(value) << std::endl;

return 0;

}

The result is shown in the run online compiler ideone

example of the function sqrt c ++

One thought on “sqrt() - Cmath function library”

I have no connection, and works cmath sqrt() visual 2017

sqrt() - Cmath function library