\returns the value of the current coefficient.

\returns the number of coefficients, which is rows()*cols(). * \sa rows(), cols(), SizeAtCompileTime. */

Reset. Deletes the current owned object, if any. Then takes ownership of a new object, if given. this->reset(this->get()) works.

Must be called before pushUndoCommand() otherwise the text does not get updated

\internal */

Pull some functions from namespace std. This is necessary because we want to use the same name (e.g. 'sqrt') for double-valued and Jet-valued functio

Match Eigen2's API so that Array3D's and Mat*'s can work together via template magic.

------------------------------ -- accessors/getters methods Retrieve the width of the image

intersection of two boxes*/

Retrieve the height of the image