..
  Copyright 1988-2022 Free Software Foundation, Inc.
  This is part of the GCC manual.
  For copying conditions, see the copyright.rst file.

.. _compiler-characteristics:

Compiler Characteristics
------------------------

This chapter describes certain characteristics of the GNU Fortran
compiler, that are not specified by the Fortran standard, but which
might in some way or another become visible to the programmer.

.. toctree::
  :maxdepth: 2

  compiler-characteristics/kind-type-parameters
  compiler-characteristics/internal-representation-of-logical-variables
  compiler-characteristics/evaluation-of-logical-expressions
  compiler-characteristics/max-and-min-intrinsics-with-real-nan-arguments
  compiler-characteristics/thread-safety-of-the-runtime-library
  compiler-characteristics/data-consistency-and-durability
  compiler-characteristics/files-opened-without-an-explicit-action=-specifier
  compiler-characteristics/file-operations-on-symbolic-links
  compiler-characteristics/file-format-of-unformatted-sequential-files
  compiler-characteristics/asynchronous-i-o