The NAG Fortran Compiler is robust, highly tested, and valued by developers all over the globe for its checking capabilities and detailed error reporting. The NAG Fortran Compiler is available on Linux, Microsoft Windows and Mac OS X. The latest release (6.2) has extensive support for both modern and legacy Fortran features, and also supports parallel programming with OpenMP. 

Information

Note: the NAG Fortran compiler has been licensed by the DESY Theory Group and is only available on node of the DESY Theory Group.

Using  NAG Fortran

The NAG Fortran compiler comes as a standard package (RedHat and Ubuntu systems). No setup required:

[theo]% which nagfor
/usr/local/bin/nagfor

[theo]% nagfor -V
NAG Fortran Compiler Release 6.2(Chiyoda) Build 6228
Product NPL6A62NA for x86-64 Linux
Copyright 1990-2018 The Numerical Algorithms Group Ltd., Oxford, U.K.

[theo]% xwhich nagfor

 Local path for nagfor:
    /usr/local/bin/nagfor 

 Documentation: https://confluence.desy.de/display/IS/NAG
 URL:           https://www.nag.co.uk/nag-compiler
 Manual:        https://www.nag.co.uk/nag-compiler
 License:       commercial