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<?php |
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|
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namespace TablePress\PhpOffice\PhpSpreadsheet\Calculation\MathTrig; |
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|
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use TablePress\PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled; |
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use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Exception; |
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|
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class Sign |
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{ |
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use ArrayEnabled; |
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|
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/** |
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* SIGN. |
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* |
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* Determines the sign of a number. Returns 1 if the number is positive, zero (0) |
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* if the number is 0, and -1 if the number is negative. |
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* |
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* @param array<mixed>|float $number Number to round, or can be an array of numbers |
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* |
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* @return array<mixed>|int|string sign value, or a string containing an error |
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* If an array of numbers is passed as the argument, then the returned result will also be an array |
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* with the same dimensions |
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*/ |
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public static function evaluate($number) |
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{ |
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if (is_array($number)) { |
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return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $number); |
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} |
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|
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try { |
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$number = Helpers::validateNumericNullBool($number); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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|
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return Helpers::returnSign($number); |
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} |
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} |
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|
