title: Area Of A Hexagon
signature: function area_of_a_hexagon(s)
test_code: using Printf
  
  # SOLUTION CODE
  # ============================================
  PLACEHOLDER_CODE_BODY
  
  # TESTING CODE 
  # ============================================
  function validate_solution(actual, expected)
      return abs(actual - expected) < 1e-09
  end
  
  function driver(s, expected)
      try
  
          if validate_solution(PLACEHOLDER_FN_NAME(s), expected)
              return "PASSED";
          end
          return "FAILED";
      catch exception_obj
          return string(Base.typename(typeof(exception_obj)).wrapper);
      end
  end
  
  function main()
      
      result = driver(1772.6589509256596, 8163986.207300422);
      @printf("TEST-0...%s\n",result);
      
      result = driver(-599.737107809315, 934487.9989101035);
      @printf("TEST-1...%s\n",result);
      
      result = driver(1074.1765931782, 2997804.1448343466);
      @printf("TEST-2...%s\n",result);
      
      result = driver(-1182.4087746714795, 3632345.696441302);
      @printf("TEST-3...%s\n",result);
      
      result = driver(8083.035797247716, 169746524.38794258);
      @printf("TEST-4...%s\n",result);
      
      result = driver(-6126.414356565494, 97513471.98905805);
      @printf("TEST-5...%s\n",result);
      
      result = driver(5370.057504189614, 74922068.46663411);
      @printf("TEST-6...%s\n",result);
      
      result = driver(-6947.020794285176, 125386010.4299519);
      @printf("TEST-7...%s\n",result);
      
      result = driver(2110.5107873533325, 11572495.990484647);
      @printf("TEST-8...%s\n",result);
      
      result = driver(-6458.751326919488, 108379966.88267714);
      @printf("TEST-9...%s\n",result);
      
  end
  
  main()
source_py: def area_of_a_hexagon(s):
      return (((3 * math.sqrt(3)) * (s * s)) / 2)
source_cpp: double area_of_a_hexagon(double s) {
    return ( ( 3 * sqrt ( 3 ) * ( s * s ) ) / 2 );
  }