The cfd general notation system (cgns) provides a general, portable, and extensible standard for the storage and retrieval of computational fluid dynamics (cfd) analysis data. it consists of a collection of conventions, and free and open software implementing those conventions. it is self-descriptive, machine-independent, well-documented, and administered by an international steering committee. it is also an american institute of aeronautics and astronautics (aiaa) recommended practice.

this package contains the debugging symbols of the library.