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cpp:cmath:sqrt

Table of Contents

sqrt

    double sqrt(double);

returns the square root

cpp Sourcecode Example

#include <iostream> /* including standard library */
#include <cmath> /* including math library */
 
using namespace std;
int main ( void )
{
 
  //cout.setf(ios::fixed, ios::floatfield);
  cout.precision(8);
 
  cout << "square root from 4.2 is " << sqrt (4.2) << endl;
  return 0;
}

output

square root from 4.2 is 2.0493902 
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cpp/cmath/sqrt.txt · Last modified: 2012/10/12 18:35 (external edit)

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