Matrix22 ######## .. code-block:: #include The ``Matrix22`` class template represents a 2x2 matrix, with predefined typedefs for ``float`` and ``double``. There are also various utility functions that operate on matrices defined in ``ImathMatrixAlgo.h`` and described in :ref:`Matrix Functions `. Example: .. literalinclude:: ../examples/Matrix22.cpp :language: c++ .. doxygentypedef:: M22f .. doxygentypedef:: M22d .. doxygenclass:: Imath::Matrix22 :undoc-members: :members: