docs: function bccomp(left_operand, right_operand, scale) {
      var first, second; //bc_num
  
      if (typeof(scale) == 'undefined') {
          scale = libbcmath.scale;
      }
      scale   = ((scale < 0) ? 0 : scale);
  
      first   = libbcmath.bc_init_num();
      second  = libbcmath.bc_init_num();
  
      first   = libbcmath.bc_str2num(left_operand.toString(), scale);     // note bc_ not php_str2num
      second  = libbcmath.bc_str2num(right_operand.toString(), scale);    // note bc_ not php_str2num
  
      return libbcmath.bc_compare(first, second, scale);
  }