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<?php |
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namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig; |
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use PhpOffice\PhpSpreadsheet\Calculation\Exception; |
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use PhpOffice\PhpSpreadsheet\Calculation\Functions; |
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class Round |
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{ |
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/** |
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* ROUND. |
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* |
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* Returns the result of builtin function round after validating args. |
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* |
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* @param mixed $number Should be numeric |
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* @param mixed $precision Should be int |
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* |
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* @return float|string Rounded number |
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*/ |
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public static function round($number, $precision) |
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{ |
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try { |
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$number = Helpers::validateNumericNullBool($number); |
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$precision = Helpers::validateNumericNullBool($precision); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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return round($number, (int) $precision); |
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} |
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/** |
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* ROUNDUP. |
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* |
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* Rounds a number up to a specified number of decimal places |
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* |
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* @param float $number Number to round |
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* @param int $digits Number of digits to which you want to round $number |
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* |
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* @return float|string Rounded Number, or a string containing an error |
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*/ |
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public static function up($number, $digits) |
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{ |
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try { |
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$number = Helpers::validateNumericNullBool($number); |
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$digits = (int) Helpers::validateNumericNullSubstitution($digits, null); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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if ($number == 0.0) { |
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return 0.0; |
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} |
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if ($number < 0.0) { |
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return round($number - 0.5 * 0.1 ** $digits, $digits, PHP_ROUND_HALF_DOWN); |
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} |
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return round($number + 0.5 * 0.1 ** $digits, $digits, PHP_ROUND_HALF_DOWN); |
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} |
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/** |
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* ROUNDDOWN. |
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* |
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* Rounds a number down to a specified number of decimal places |
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* |
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* @param float $number Number to round |
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* @param int $digits Number of digits to which you want to round $number |
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* |
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* @return float|string Rounded Number, or a string containing an error |
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*/ |
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public static function down($number, $digits) |
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{ |
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try { |
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$number = Helpers::validateNumericNullBool($number); |
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$digits = (int) Helpers::validateNumericNullSubstitution($digits, null); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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if ($number == 0.0) { |
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return 0.0; |
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} |
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if ($number < 0.0) { |
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return round($number + 0.5 * 0.1 ** $digits, $digits, PHP_ROUND_HALF_UP); |
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} |
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return round($number - 0.5 * 0.1 ** $digits, $digits, PHP_ROUND_HALF_UP); |
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} |
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/** |
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* MROUND. |
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* |
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* Rounds a number to the nearest multiple of a specified value |
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* |
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* @param mixed $number Expect float. Number to round. |
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* @param mixed $multiple Expect int. Multiple to which you want to round. |
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* |
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* @return float|string Rounded Number, or a string containing an error |
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*/ |
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public static function multiple($number, $multiple) |
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{ |
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try { |
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$number = Helpers::validateNumericNullSubstitution($number, 0); |
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$multiple = Helpers::validateNumericNullSubstitution($multiple, null); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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if ($number == 0 || $multiple == 0) { |
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return 0; |
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} |
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if ((Helpers::returnSign($number)) == (Helpers::returnSign($multiple))) { |
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$multiplier = 1 / $multiple; |
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return round($number * $multiplier) / $multiplier; |
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} |
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1 |
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return Functions::NAN(); |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
