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  • Description

    Takes the square root of an int and returns a double.

     Code 
    double sqrt (int a,int accuracy=20) {
  double out = a;
  for(int i=0;i<accuracy;i++) {
    out = (out+a/out)/2;
  }
  return out;
}
     Test Cases 
    // TODO: Replace examples and use TDD development by writing your own tests

Describe(square_root)
{
    It(should_take_square_root)
    {
        Assert::That(sqrt(4), Equals(2));
        Assert::That(sqrt(16), Equals(4));
        Assert::That(sqrt(169), Equals(13));
    }
};
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