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