original_string: function find_range($data, $min, $max, $resolution) {
        if (sizeof($data) == 0 ) return array('min' => 0, 'max' => 0);
        foreach ($data as $key => $value) {
          if ($value=='none') continue;
          if ($value > $max) $max = $value;
          if ($value < $min) $min = $value;
        }
  
        if ($max == 0) {
          $factor = 1;
        } else {
          if ($max < 0) $factor = - pow(10, (floor(log10(abs($max))) + $resolution) );
          else $factor = pow(10, (floor(log10(abs($max))) - $resolution) );
        }
        if ($factor > 0.1) { // To avoid some wierd rounding errors (Moodle)
          $factor = round($factor * 1000.0) / 1000.0; // To avoid some wierd rounding errors (Moodle)
        } // To avoid some wierd rounding errors (Moodle)
  
        $max = $factor * @ceil($max / $factor);
        $min = $factor * @floor($min / $factor);
  
        //print "max=$max, min=$min<br />";
  
        return array('min' => $min, 'max' => $max);
      }
code: function find_range($data, $min, $max, $resolution) {
        if (sizeof($data) == 0 ) return array('min' => 0, 'max' => 0);
        foreach ($data as $key => $value) {
          if ($value=='none') continue;
          if ($value > $max) $max = $value;
          if ($value < $min) $min = $value;
        }
  
        if ($max == 0) {
          $factor = 1;
        } else {
          if ($max < 0) $factor = - pow(10, (floor(log10(abs($max))) + $resolution) );
          else $factor = pow(10, (floor(log10(abs($max))) - $resolution) );
        }
        if ($factor > 0.1) { // To avoid some wierd rounding errors (Moodle)
          $factor = round($factor * 1000.0) / 1000.0; // To avoid some wierd rounding errors (Moodle)
        } // To avoid some wierd rounding errors (Moodle)
  
        $max = $factor * @ceil($max / $factor);
        $min = $factor * @floor($min / $factor);
  
        //print "max=$max, min=$min<br />";
  
        return array('min' => $min, 'max' => $max);
      }
code_tokens: function find_range ( $ data , $ min , $ max , $ resolution ) { if ( sizeof ( $ data ) == 0 ) return array ( 'min' => 0 , 'max' => 0 ) ; foreach ( $ data as $ key => $ value ) { if ( $ value == 'none' ) continue ; if ( $ value > $ max ) $ max = $ value ; if ( $ value < $ min ) $ min = $ value ; } if ( $ max == 0 ) { $ factor = 1 ; } else { if ( $ max < 0 ) $ factor = - pow ( 10 , ( floor ( log10 ( abs ( $ max ) ) ) + $ resolution ) ) ; else $ factor = pow ( 10 , ( floor ( log10 ( abs ( $ max ) ) ) - $ resolution ) ) ; } if ( $ factor > 0.1 ) { // To avoid some wierd rounding errors (Moodle) $ factor = round ( $ factor * 1000.0 ) / 1000.0 ; // To avoid some wierd rounding errors (Moodle) } // To avoid some wierd rounding errors (Moodle) $ max = $ factor * @ ceil ( $ max / $ factor ) ; $ min = $ factor * @ floor ( $ min / $ factor ) ; //print "max=$max, min=$min<br />"; return array ( 'min' => $ min , 'max' => $ max ) ; }
docstring: find max and min values for a data array given the resolution.
docstring_tokens: find max and min values for a data array given the resolution .