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Directory >> /var/www/html/back/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/MathTrig/

File / Folder	Size	Action
.	-
Trig	--	ren
Absolute.php	0.98KB	edt ren
Angle.php	1.767KB	edt ren
Arabic.php	2.907KB	edt ren
Base.php	2.236KB	edt ren
Ceiling.php	5.958KB	edt ren
Combinations.php	3.543KB	edt ren
Exp.php	0.972KB	edt ren
Factorial.php	3.728KB	edt ren
Floor.php	6.539KB	edt ren
Gcd.php	1.98KB	edt ren
Helpers.php	3.131KB	edt ren
IntClass.php	1.063KB	edt ren
Lcm.php	3.58KB	edt ren
Logarithms.php	3.168KB	edt ren
MatrixFunctions.php	5.181KB	edt ren
Operations.php	4.879KB	edt ren
Random.php	3.254KB	edt ren
Roman.php	26.077KB	edt ren
Round.php	7.814KB	edt ren
SeriesSum.php	1.573KB	edt ren
Sign.php	1.099KB	edt ren
Sqrt.php	1.839KB	edt ren
Subtotal.php	4.636KB	edt ren
Sum.php	3.389KB	edt ren
SumSquares.php	3.908KB	edt ren
Trunc.php	1.206KB	edt ren

<?php

namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;

use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;

class Helpers
{
    /**
     * Many functions accept null/false/true argument treated as 0/0/1.
     *
     * @return float|string quotient or DIV0 if denominator is too small
     */
    public static function verySmallDenominator(float $numerator, float $denominator)
    {
        return (abs($denominator) < 1.0E-12) ? ExcelError::DIV0() : ($numerator / $denominator);
    }

/**
     * Many functions accept null/false/true argument treated as 0/0/1.
     *
     * @param mixed $number
     *
     * @return float|int
     */
    public static function validateNumericNullBool($number)
    {
        $number = Functions::flattenSingleValue($number);
        if ($number === null) {
            return 0;
        }
        if (is_bool($number)) {
            return (int) $number;
        }
        if (is_numeric($number)) {
            return 0 + $number;
        }

throw new Exception(ExcelError::throwError($number));
    }

/**
     * Validate numeric, but allow substitute for null.
     *
     * @param mixed $number
     * @param null|float|int $substitute
     *
     * @return float|int
     */
    public static function validateNumericNullSubstitution($number, $substitute)
    {
        $number = Functions::flattenSingleValue($number);
        if ($number === null && $substitute !== null) {
            return $substitute;
        }
        if (is_numeric($number)) {
            return 0 + $number;
        }

throw new Exception(ExcelError::throwError($number));
    }

/**
     * Confirm number >= 0.
     *
     * @param float|int $number
     */
    public static function validateNotNegative($number, ?string $except = null): void
    {
        if ($number >= 0) {
            return;
        }

throw new Exception($except ?? ExcelError::NAN());
    }

/**
     * Confirm number > 0.
     *
     * @param float|int $number
     */
    public static function validatePositive($number, ?string $except = null): void
    {
        if ($number > 0) {
            return;
        }

throw new Exception($except ?? ExcelError::NAN());
    }

/**
     * Confirm number != 0.
     *
     * @param float|int $number
     */
    public static function validateNotZero($number): void
    {
        if ($number) {
            return;
        }

throw new Exception(ExcelError::DIV0());
    }

public static function returnSign(float $number): int
    {
        return $number ? (($number > 0) ? 1 : -1) : 0;
    }

public static function getEven(float $number): float
    {
        $significance = 2 * self::returnSign($number);

return $significance ? (ceil($number / $significance) * $significance) : 0;
    }

/**
     * Return NAN or value depending on argument.
     *
     * @param float $result Number
     *
     * @return float|string
     */
    public static function numberOrNan($result)
    {
        return is_nan($result) ? ExcelError::NAN() : $result;
    }
}