1 | <?php |
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7 | class MinMaxArrayIterator extends \ArrayIterator implements MinMaxInterface |
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8 | { |
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9 | protected $range_steps = 0.1; |
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10 | |||
11 | 24 | public function max() |
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15 | |||
16 | 48 | public function min() |
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20 | |||
21 | /** |
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22 | * Returns an range array from smallest to greatest exposure value. |
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23 | * The default step width is a third of log10(2) and can be customized |
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24 | * with an optional method parameter. |
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25 | * |
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26 | * The minimum value is ceiled, and the maximum is floored. |
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27 | * |
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28 | * @param float $step Optional: custom range step width |
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29 | * @return \SplFixedArray |
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30 | */ |
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31 | 12 | public function getRange( float $step = null) : \SplFixedArray |
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39 | |||
40 | } |
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41 |