Operations.php
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<?php
namespace Matrix;
use Matrix\Operators\Addition;
use Matrix\Operators\DirectSum;
use Matrix\Operators\Division;
use Matrix\Operators\Multiplication;
use Matrix\Operators\Subtraction;
class Operations
{
public static function add(...$matrixValues): Matrix
{
if (count($matrixValues) < 2) {
throw new Exception('Addition operation requires at least 2 arguments');
}
$matrix = array_shift($matrixValues);
if (is_array($matrix)) {
$matrix = new Matrix($matrix);
}
if (!$matrix instanceof Matrix) {
throw new Exception('Addition arguments must be Matrix or array');
}
$result = new Addition($matrix);
foreach ($matrixValues as $matrix) {
$result->execute($matrix);
}
return $result->result();
}
public static function directsum(...$matrixValues): Matrix
{
if (count($matrixValues) < 2) {
throw new Exception('DirectSum operation requires at least 2 arguments');
}
$matrix = array_shift($matrixValues);
if (is_array($matrix)) {
$matrix = new Matrix($matrix);
}
if (!$matrix instanceof Matrix) {
throw new Exception('DirectSum arguments must be Matrix or array');
}
$result = new DirectSum($matrix);
foreach ($matrixValues as $matrix) {
$result->execute($matrix);
}
return $result->result();
}
public static function divideby(...$matrixValues): Matrix
{
if (count($matrixValues) < 2) {
throw new Exception('Division operation requires at least 2 arguments');
}
$matrix = array_shift($matrixValues);
if (is_array($matrix)) {
$matrix = new Matrix($matrix);
}
if (!$matrix instanceof Matrix) {
throw new Exception('Division arguments must be Matrix or array');
}
$result = new Division($matrix);
foreach ($matrixValues as $matrix) {
$result->execute($matrix);
}
return $result->result();
}
public static function divideinto(...$matrixValues): Matrix
{
if (count($matrixValues) < 2) {
throw new Exception('Division operation requires at least 2 arguments');
}
$matrix = array_pop($matrixValues);
$matrixValues = array_reverse($matrixValues);
if (is_array($matrix)) {
$matrix = new Matrix($matrix);
}
if (!$matrix instanceof Matrix) {
throw new Exception('Division arguments must be Matrix or array');
}
$result = new Division($matrix);
foreach ($matrixValues as $matrix) {
$result->execute($matrix);
}
return $result->result();
}
public static function multiply(...$matrixValues): Matrix
{
if (count($matrixValues) < 2) {
throw new Exception('Multiplication operation requires at least 2 arguments');
}
$matrix = array_shift($matrixValues);
if (is_array($matrix)) {
$matrix = new Matrix($matrix);
}
if (!$matrix instanceof Matrix) {
throw new Exception('Multiplication arguments must be Matrix or array');
}
$result = new Multiplication($matrix);
foreach ($matrixValues as $matrix) {
$result->execute($matrix);
}
return $result->result();
}
public static function subtract(...$matrixValues): Matrix
{
if (count($matrixValues) < 2) {
throw new Exception('Subtraction operation requires at least 2 arguments');
}
$matrix = array_shift($matrixValues);
if (is_array($matrix)) {
$matrix = new Matrix($matrix);
}
if (!$matrix instanceof Matrix) {
throw new Exception('Subtraction arguments must be Matrix or array');
}
$result = new Subtraction($matrix);
foreach ($matrixValues as $matrix) {
$result->execute($matrix);
}
return $result->result();
}
}