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diff --git a/share/doc/gfortran/Fortran-2018-status.html b/share/doc/gfortran/Fortran-2018-status.html new file mode 100644 index 0000000..c4fd525 --- /dev/null +++ b/share/doc/gfortran/Fortran-2018-status.html @@ -0,0 +1,131 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1999-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). A copy of the license is included in the section entitled +"GNU Free Documentation License". + +(a) The FSF's Front-Cover Text is: + +A GNU Manual + +(b) The FSF's Back-Cover Text is: + +You have freedom to copy and modify this GNU Manual, like GNU + software. Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>The GNU Fortran Compiler: Fortran 2018 status</title> + +<meta name="description" content="The GNU Fortran Compiler: Fortran 2018 status"> +<meta name="keywords" content="The GNU Fortran Compiler: Fortran 2018 status"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Option-Index.html#Option-Index" rel="index" title="Option Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Standards.html#Standards" rel="up" title="Standards"> +<link href="Invoking-GNU-Fortran.html#Invoking-GNU-Fortran" rel="next" title="Invoking GNU Fortran"> +<link href="Fortran-2008-status.html#Fortran-2008-status" rel="previous" title="Fortran 2008 status"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Fortran-2018-status"></a> +<div class="header"> +<p> +Previous: <a href="Fortran-2008-status.html#Fortran-2008-status" accesskey="p" rel="previous">Fortran 2008 status</a>, Up: <a href="Standards.html#Standards" accesskey="u" rel="up">Standards</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<a name="Fortran-2018-status-1"></a> +<h4 class="subsection">1.3.4 Fortran 2018 status</h4> + +<p>Fortran 2018 (ISO/IEC 1539:2018) is the most recent version +of the Fortran language standard. GNU Fortran implements some of the +new features of this standard: +</p> +<ul> +<li> All Fortran 2018 features derived from ISO/IEC TS 29113:2012, +“Further Interoperability of Fortran with C”, are supported by GNU Fortran. +This includes assumed-type and assumed-rank objects and +the <code>SELECT RANK</code> construct as well as the parts relating to +<code>BIND(C)</code> functions. +See also <a href="Further-Interoperability-of-Fortran-with-C.html#Further-Interoperability-of-Fortran-with-C">Further Interoperability of Fortran with C</a>. + +</li><li> GNU Fortran supports a subset of features derived from ISO/IEC TS 18508:2015, +“Additional Parallel Features in Fortran”: + +<ul> +<li> The new atomic ADD, CAS, FETCH and ADD/OR/XOR, OR and XOR intrinsics. + +</li><li> The <code>CO_MIN</code> and <code>CO_MAX</code> and <code>SUM</code> reduction intrinsics, +and the <code>CO_BROADCAST</code> and <code>CO_REDUCE</code> intrinsic, except that those +do not support polymorphic types or types with allocatable, pointer or +polymorphic components. + +</li><li> Events (<code>EVENT POST</code>, <code>EVENT WAIT</code>, <code>EVENT_QUERY</code>). + +</li><li> Failed images (<code>FAIL IMAGE</code>, <code>IMAGE_STATUS</code>, +<code>FAILED_IMAGES</code>, <code>STOPPED_IMAGES</code>). + +</li></ul> + +</li><li> An <code>ERROR STOP</code> statement is permitted in a <code>PURE</code> +procedure. + +</li><li> GNU Fortran supports the <code>IMPLICIT NONE</code> statement with an +<code>implicit-none-spec-list</code>. + +</li><li> The behavior of the <code>INQUIRE</code> statement with the <code>RECL=</code> +specifier now conforms to Fortran 2018. + +</li></ul> + + + + + + + + + + +</body> +</html> |