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<?php
namespace FilmTools\Commons;
use function FilmTools\MRounder\mfloor;
use function FilmTools\MRounder\mceil;
class MinMaxArrayIterator extends \ArrayIterator implements MinMaxInterface
{
protected $range_steps = 0.1;
public function max()
return max( $this->getArrayCopy());
}
public function min()
return min( $this->getArrayCopy());
/**
* Returns an range array from smallest to greatest exposure value.
* The default step width is a third of log10(2) and can be customized
* with an optional method parameter.
*
* The minimum value is ceiled, and the maximum is floored.
* @param float $step Optional: custom range step width
* @return \SplFixedArray
*/
public function getRange( float $step = null) : \SplFixedArray
$step = $step ?: $this->range_steps;
$min = mceil($this->min(), $step);
$max = mfloor($this->max(), $step);
return \SplFixedArray::fromArray( range($min, $max, $step));
filmtools /
commons
