GNU Fortran

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GNU Fortran
GNU Compiler Collection logo.svg
Developer(s) GNU Project
Initial release April 13, 2007; 10 years ago (2007-04-13)[1]
Stable release
6.3[2] / 21 December 2016; 5 months ago (2016-12-21)
Preview release
7.0 / May 22, 2016; 12 months ago (2016-05-22)
Written in C, C++
Operating system Cross-platform
Platform GNU
Type Compiler
License GNU General Public License (version 3 or later)

GNU Fortran or GFortran is the name of the GNU Fortran compiler, which is part of the GNU Compiler Collection (GCC). GFortran has replaced the g77 compiler, on which development stopped before GCC version 4.0. It includes full support for the Fortran 95 language and is compatible with most language extensions supported by g77,[3] allowing it to serve as a drop-in replacement in many cases. Large parts of Fortran 2003 and Fortran 2008 have also been implemented.[4][5]

An experimental version of GFortran was included in GCC versions 4.0.x, but only since version 4.1 has it been considered user-ready by its developers.[citation needed] Development is ongoing together with the rest of GCC.

GFortran forked off from g95 in January 2003, which itself started in early 2000. The two codebases have "significantly diverged" according to GCC developers.[6]

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