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NetCDF (network Common Data Form) is a set of interfaces for
array-oriented data access and a freely-distributed collection of data
access libraries for C, Fortran, C++, Java, and other languages. The
netCDF libraries support a machine-independent format for representing
scientific data. Together, the interfaces, libraries, and format support
the creation, access, and sharing of scientific data.

Optional HDF4 support
---------------------

If you need support for reading HDF4 files, please build and install
the 'hdf' package from SlackBuilds.org, and then pass the option
'HDF4=yes' to the netcdf SlackBuild, for example

  HDF4=yes ./netcdf.SlackBuild

Optional CDF5 support
---------------------

CDF5 support is not yet enabled by default. According to the release
notes [1], reading and writing CDF5 files on 32-bit platforms may
result in unexpected behavior when using extremely large variables. If
you need CDF5 support, please pass the option 'CDF5=yes' to the netcdf
SlackBuild, for example

  CDF5=yes ./netcdf.SlackBuild

[1] https://www.unidata.ucar.edu/software/netcdf/docs/RELEASE_NOTES.html