anchor.diff:  var a_subtract = 1.0 - 2;
   var a_multiply = 1.0 * 2;
   var a_divide = 1.0 / 2;
  -var a_flootDivide = 1.0 ~/ 2;
  +var a_floorDivide = 1.0 ~/ 2;
   var a_greater = 1.0 > 2;
   var a_less = 1.0 < 2;
   var a_greaterEqual = 1.0 >= 2;
  
positive.code: var a_subtract = 1.0 - 2.0;
  var a_multiply = 1.0 * 2.0;
  var a_divide = 1.0 / 2.0;
  var a_flootDivide = 1.0 ~/ 2.0;
  var a_greater = 1.0 > 2.0;
  var a_less = 1.0 < 2.0;
  var a_greaterEqual = 1.0 >= 2.0;
  var a_lessEqual = 1.0 <= 2.0;
  var a_modulo = 1.0 % 2.0;
  ''');
    }
  
  
negative.code: var a_subtract = 1 - 2;
  var a_multiply = 1 * 2;
  var a_divide = 1 / 2;
  var a_floorDivide = 1 ~/ 2;
  var a_greater = 1 > 2;
  var a_less = 1 < 2;
  var a_greaterEqual = 1 >= 2;
  