original_string: private function _isInTolerance($basePointIndex, $subjectPointIndex)
      {
          $radius = $this->distanceBetweenPoints(
              $this->points[$basePointIndex],
              $this->points[$subjectPointIndex]
          );
          return $radius < $this->_tolerance;
      }
code: private function _isInTolerance($basePointIndex, $subjectPointIndex)
      {
          $radius = $this->distanceBetweenPoints(
              $this->points[$basePointIndex],
              $this->points[$subjectPointIndex]
          );
          return $radius < $this->_tolerance;
      }
code_tokens: private function _isInTolerance ( $ basePointIndex , $ subjectPointIndex ) { $ radius = $ this -> distanceBetweenPoints ( $ this -> points [ $ basePointIndex ] , $ this -> points [ $ subjectPointIndex ] ) ; return $ radius < $ this -> _tolerance ; }
docstring: Helper method to ensure clean code.
  
  @param integer $basePointIndex    Sentinel point index.
  @param integer $subjectPointIndex Test point index.
  
  @return bool True if subject point is under tolerance, false otherwise.
docstring_tokens: Helper method to ensure clean code .