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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(); } }