public function __construct($_x = 0.0, $_y = 0.0, $_z = 0.0) { parent::__construct(3); $this->u_data[0] = (double) $_x; $this->u_data[1] = (double) $_y; $this->u_data[2] = (double) $_z; }
public function __construct(Matrix $_matrix, $_row) { if (($row = (int) $_row) < 0 || $row >= $_matrix->u_size) { parent::__construct(0); } else { parent::__construct($_matrix->u_stride, $_matrix->u_stride * $row, $_matrix->u_data); } }
public function __construct($_length) { parent::__construct($_length); }