### `src/io/`

This folder contains the source-level implementations of Elemental's 
input/output functionality. Please see `include/elemental/io` for the 
header-level implementations. In addition to this file, this folder contains:

-  `ComplexDisplayWindow.cpp`: a Qt5-based graphical display of a complex matrix
-  `DisplayWindow.cpp`: a Qt5-based graphical display of a real matrix
-  `SpyWindow.cpp`: a Qt5-based graphical display of the nonzeros of a matrix
