original_string: private static function _floatToByte($f)
      {
          // round negatives up to zero
          if ($f <= 0.0) {
              return 0;
          }
  
          // search for appropriate value
          $lowIndex = 0;
          $highIndex = 255;
          while ($highIndex >= $lowIndex) {
              // $mid = ($highIndex - $lowIndex)/2;
              $mid = ($highIndex + $lowIndex) >> 1;
              $delta = $f - self::$_normTable[$mid];
  
              if ($delta < 0) {
                  $highIndex = $mid-1;
              } elseif ($delta > 0) {
                  $lowIndex  = $mid+1;
              } else {
                  return $mid; // We got it!
              }
          }
  
          // round to closest value
          if ($highIndex != 255 
              && $f - self::$_normTable[$highIndex] > self::$_normTable[$highIndex+1] - $f 
          ) {
              return $highIndex + 1;
          } else {
              return $highIndex;
          }
      }
code: private static function _floatToByte($f)
      {
          // round negatives up to zero
          if ($f <= 0.0) {
              return 0;
          }
  
          // search for appropriate value
          $lowIndex = 0;
          $highIndex = 255;
          while ($highIndex >= $lowIndex) {
              // $mid = ($highIndex - $lowIndex)/2;
              $mid = ($highIndex + $lowIndex) >> 1;
              $delta = $f - self::$_normTable[$mid];
  
              if ($delta < 0) {
                  $highIndex = $mid-1;
              } elseif ($delta > 0) {
                  $lowIndex  = $mid+1;
              } else {
                  return $mid; // We got it!
              }
          }
  
          // round to closest value
          if ($highIndex != 255 
              && $f - self::$_normTable[$highIndex] > self::$_normTable[$highIndex+1] - $f 
          ) {
              return $highIndex + 1;
          } else {
              return $highIndex;
          }
      }
code_tokens: private static function _floatToByte ( $ f ) { // round negatives up to zero if ( $ f <= 0.0 ) { return 0 ; } // search for appropriate value $ lowIndex = 0 ; $ highIndex = 255 ; while ( $ highIndex >= $ lowIndex ) { // $mid = ($highIndex - $lowIndex)/2; $ mid = ( $ highIndex + $ lowIndex ) >> 1 ; $ delta = $ f - self :: $ _normTable [ $ mid ] ; if ( $ delta < 0 ) { $ highIndex = $ mid - 1 ; } elseif ( $ delta > 0 ) { $ lowIndex = $ mid + 1 ; } else { return $ mid ; // We got it! } } // round to closest value if ( $ highIndex != 255 && $ f - self :: $ _normTable [ $ highIndex ] > self :: $ _normTable [ $ highIndex + 1 ] - $ f ) { return $ highIndex + 1 ; } else { return $ highIndex ; } }
docstring: Float to byte conversion
  
  @param  integer $b
  @return float
docstring_tokens: Float to byte conversion