Here are the classes, structs, unions and interfaces with brief descriptions:

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NALL
CALL
CCustomException	Customized exceptions for ALL, modified for each specific exception type
CFilesystemErrorException
CForceBased_LB
CHistogram_LB
CInternalErrorException
CInvalidArgumentException
CInvalidCommTypeException
CLB
COutOfBoundsException
CPoint
CPointDimensionMissmatchException	Exception to be used for missmatches in dimension for ALL::Point class
CStaggered_LB
CTensor_LB
CTensorMax_LB
CVoronoi_LB
Mall_module	The function API for ALL
Call_set_communicator
Call_t	The object oriented API is this object. It contains all relevant functions