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

class Floor
{
    use ArrayEnabled;

private static function floorCheck1Arg(): void
    {
        $compatibility = Functions::getCompatibilityMode();
        if ($compatibility === Functions::COMPATIBILITY_EXCEL) {
            throw new Exception('Excel requires 2 arguments for FLOOR');
        }
    }

/**
     * FLOOR.
     *
     * Rounds number down, toward zero, to the nearest multiple of significance.
     *
     * Excel Function:
     *        FLOOR(number[,significance])
     *
     * @param mixed $number Expect float. Number to round
     *                      Or can be an array of values
     * @param mixed $significance Expect float. Significance
     *                      Or can be an array of values
     *
     * @return array|float|string Rounded Number, or a string containing an error
     *         If an array of numbers is passed as an argument, then the returned result will also be an array
     *            with the same dimensions
     */
    public static function floor($number, $significance = null)
    {
        if (is_array($number) || is_array($significance)) {
            return self::evaluateArrayArguments([self::class, __FUNCTION__], $number, $significance);
        }

if ($significance === null) {
            self::floorCheck1Arg();
        }

try {
            $number = Helpers::validateNumericNullBool($number);
            $significance = Helpers::validateNumericNullSubstitution($significance, ($number < 0) ? -1 : 1);
        } catch (Exception $e) {
            return $e->getMessage();
        }

return self::argumentsOk((float) $number, (float) $significance);
    }

/**
     * FLOOR.MATH.
     *
     * Round a number down to the nearest integer or to the nearest multiple of significance.
     *
     * Excel Function:
     *        FLOOR.MATH(number[,significance[,mode]])
     *
     * @param mixed $number Number to round
     *                      Or can be an array of values
     * @param mixed $significance Significance
     *                      Or can be an array of values
     * @param mixed $mode direction to round negative numbers
     *                      Or can be an array of values
     *
     * @return array|float|string Rounded Number, or a string containing an error
     *         If an array of numbers is passed as an argument, then the returned result will also be an array
     *            with the same dimensions
     */
    public static function math($number, $significance = null, $mode = 0)
    {
        if (is_array($number) || is_array($significance) || is_array($mode)) {
            return self::evaluateArrayArguments([self::class, __FUNCTION__], $number, $significance, $mode);
        }

try {
            $number = Helpers::validateNumericNullBool($number);
            $significance = Helpers::validateNumericNullSubstitution($significance, ($number < 0) ? -1 : 1);
            $mode = Helpers::validateNumericNullSubstitution($mode, null);
        } catch (Exception $e) {
            return $e->getMessage();
        }

return self::argsOk((float) $number, (float) $significance, (int) $mode);
    }

/**
     * FLOOR.PRECISE.
     *
     * Rounds number down, toward zero, to the nearest multiple of significance.
     *
     * Excel Function:
     *        FLOOR.PRECISE(number[,significance])
     *
     * @param array|float $number Number to round
     *                      Or can be an array of values
     * @param array|float $significance Significance
     *                      Or can be an array of values
     *
     * @return array|float|string Rounded Number, or a string containing an error
     *         If an array of numbers is passed as an argument, then the returned result will also be an array
     *            with the same dimensions
     */
    public static function precise($number, $significance = 1)
    {
        if (is_array($number) || is_array($significance)) {
            return self::evaluateArrayArguments([self::class, __FUNCTION__], $number, $significance);
        }

try {
            $number = Helpers::validateNumericNullBool($number);
            $significance = Helpers::validateNumericNullSubstitution($significance, null);
        } catch (Exception $e) {
            return $e->getMessage();
        }

return self::argumentsOkPrecise((float) $number, (float) $significance);
    }

/**
     * Avoid Scrutinizer problems concerning complexity.
     *
     * @return float|string
     */
    private static function argumentsOkPrecise(float $number, float $significance)
    {
        if ($significance == 0.0) {
            return ExcelError::DIV0();
        }
        if ($number == 0.0) {
            return 0.0;
        }

return floor($number / abs($significance)) * abs($significance);
    }

/**
     * Avoid Scrutinizer complexity problems.
     *
     * @return float|string Rounded Number, or a string containing an error
     */
    private static function argsOk(float $number, float $significance, int $mode)
    {
        if (!$significance) {
            return ExcelError::DIV0();
        }
        if (!$number) {
            return 0.0;
        }
        if (self::floorMathTest($number, $significance, $mode)) {
            return ceil($number / $significance) * $significance;
        }

return floor($number / $significance) * $significance;
    }

/**
     * Let FLOORMATH complexity pass Scrutinizer.
     */
    private static function floorMathTest(float $number, float $significance, int $mode): bool
    {
        return Helpers::returnSign($significance) == -1 || (Helpers::returnSign($number) == -1 && !empty($mode));
    }

/**
     * Avoid Scrutinizer problems concerning complexity.
     *
     * @return float|string
     */
    private static function argumentsOk(float $number, float $significance)
    {
        if ($significance == 0.0) {
            return ExcelError::DIV0();
        }
        if ($number == 0.0) {
            return 0.0;
        }
        if (Helpers::returnSign($significance) == 1) {
            return floor($number / $significance) * $significance;
        }
        if (Helpers::returnSign($number) == -1 && Helpers::returnSign($significance) == -1) {
            return floor($number / $significance) * $significance;
        }

return ExcelError::NAN();
    }
}