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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 Matrix\Builder;
use Matrix\Div0Exception as MatrixDiv0Exception;
use Matrix\Exception as MatrixException;
use Matrix\Matrix;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;

class MatrixFunctions
{
    /**
     * Convert parameter to Matrix.
     *
     * @param mixed $matrixValues A matrix of values
     */
    private static function getMatrix($matrixValues): Matrix
    {
        $matrixData = [];
        if (!is_array($matrixValues)) {
            $matrixValues = [[$matrixValues]];
        }

$row = 0;
        foreach ($matrixValues as $matrixRow) {
            if (!is_array($matrixRow)) {
                $matrixRow = [$matrixRow];
            }
            $column = 0;
            foreach ($matrixRow as $matrixCell) {
                if ((is_string($matrixCell)) || ($matrixCell === null)) {
                    throw new Exception(ExcelError::VALUE());
                }
                $matrixData[$row][$column] = $matrixCell;
                ++$column;
            }
            ++$row;
        }

return new Matrix($matrixData);
    }

/**
     * SEQUENCE.
     *
     * Generates a list of sequential numbers in an array.
     *
     * Excel Function:
     *      SEQUENCE(rows,[columns],[start],[step])
     *
     * @param mixed $rows the number of rows to return, defaults to 1
     * @param mixed $columns the number of columns to return, defaults to 1
     * @param mixed $start the first number in the sequence, defaults to 1
     * @param mixed $step the amount to increment each subsequent value in the array, defaults to 1
     *
     * @return array|string The resulting array, or a string containing an error
     */
    public static function sequence($rows = 1, $columns = 1, $start = 1, $step = 1)
    {
        try {
            $rows = (int) Helpers::validateNumericNullSubstitution($rows, 1);
            Helpers::validatePositive($rows);
            $columns = (int) Helpers::validateNumericNullSubstitution($columns, 1);
            Helpers::validatePositive($columns);
            $start = Helpers::validateNumericNullSubstitution($start, 1);
            $step = Helpers::validateNumericNullSubstitution($step, 1);
        } catch (Exception $e) {
            return $e->getMessage();
        }

if ($step === 0) {
            return array_chunk(
                array_fill(0, $rows * $columns, $start),
                max($columns, 1)
            );
        }

return array_chunk(
            range($start, $start + (($rows * $columns - 1) * $step), $step),
            max($columns, 1)
        );
    }

/**
     * MDETERM.
     *
     * Returns the matrix determinant of an array.
     *
     * Excel Function:
     *        MDETERM(array)
     *
     * @param mixed $matrixValues A matrix of values
     *
     * @return float|string The result, or a string containing an error
     */
    public static function determinant($matrixValues)
    {
        try {
            $matrix = self::getMatrix($matrixValues);

return $matrix->determinant();
        } catch (MatrixException $ex) {
            return ExcelError::VALUE();
        } catch (Exception $e) {
            return $e->getMessage();
        }
    }

/**
     * MINVERSE.
     *
     * Returns the inverse matrix for the matrix stored in an array.
     *
     * Excel Function:
     *        MINVERSE(array)
     *
     * @param mixed $matrixValues A matrix of values
     *
     * @return array|string The result, or a string containing an error
     */
    public static function inverse($matrixValues)
    {
        try {
            $matrix = self::getMatrix($matrixValues);

return $matrix->inverse()->toArray();
        } catch (MatrixDiv0Exception $e) {
            return ExcelError::NAN();
        } catch (MatrixException $e) {
            return ExcelError::VALUE();
        } catch (Exception $e) {
            return $e->getMessage();
        }
    }

/**
     * MMULT.
     *
     * @param mixed $matrixData1 A matrix of values
     * @param mixed $matrixData2 A matrix of values
     *
     * @return array|string The result, or a string containing an error
     */
    public static function multiply($matrixData1, $matrixData2)
    {
        try {
            $matrixA = self::getMatrix($matrixData1);
            $matrixB = self::getMatrix($matrixData2);

return $matrixA->multiply($matrixB)->toArray();
        } catch (MatrixException $ex) {
            return ExcelError::VALUE();
        } catch (Exception $e) {
            return $e->getMessage();
        }
    }

/**
     * MUnit.
     *
     * @param mixed $dimension Number of rows and columns
     *
     * @return array|string The result, or a string containing an error
     */
    public static function identity($dimension)
    {
        try {
            $dimension = (int) Helpers::validateNumericNullBool($dimension);
            Helpers::validatePositive($dimension, ExcelError::VALUE());
            $matrix = Builder::createIdentityMatrix($dimension, 0)->toArray();

return $matrix;
        } catch (Exception $e) {
            return $e->getMessage();
        }
    }
}