| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html> |
| <!-- Copyright (C) 1999-2015 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 5.2, http://www.gnu.org/software/texinfo/ --> |
| <head> |
| <title>The GNU Fortran Compiler: Introduction</title> |
| |
| <meta name="description" content="The GNU Fortran Compiler: Introduction"> |
| <meta name="keywords" content="The GNU Fortran Compiler: Introduction"> |
| <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="index.html#Top" rel="up" title="Top"> |
| <link href="About-GNU-Fortran.html#About-GNU-Fortran" rel="next" title="About GNU Fortran"> |
| <link href="index.html#Top" rel="prev" title="Top"> |
| <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="Introduction"></a> |
| <div class="header"> |
| <p> |
| Next: <a href="Invoking-GNU-Fortran.html#Invoking-GNU-Fortran" accesskey="n" rel="next">Invoking GNU Fortran</a>, Previous: <a href="index.html#Top" accesskey="p" rel="prev">Top</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</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="Introduction-2"></a> |
| <h2 class="chapter">1 Introduction</h2> |
| |
| |
| <p>The GNU Fortran compiler front end was |
| designed initially as a free replacement for, |
| or alternative to, the Unix <code>f95</code> command; |
| <code>gfortran</code> is the command you will use to invoke the compiler. |
| </p> |
| <table class="menu" border="0" cellspacing="0"> |
| <tr><td align="left" valign="top">• <a href="About-GNU-Fortran.html#About-GNU-Fortran" accesskey="1">About GNU Fortran</a>:</td><td> </td><td align="left" valign="top">What you should know about the GNU Fortran compiler. |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="GNU-Fortran-and-GCC.html#GNU-Fortran-and-GCC" accesskey="2">GNU Fortran and GCC</a>:</td><td> </td><td align="left" valign="top">You can compile Fortran, C, or other programs. |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="Preprocessing-and-conditional-compilation.html#Preprocessing-and-conditional-compilation" accesskey="3">Preprocessing and conditional compilation</a>:</td><td> </td><td align="left" valign="top">The Fortran preprocessor |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="GNU-Fortran-and-G77.html#GNU-Fortran-and-G77" accesskey="4">GNU Fortran and G77</a>:</td><td> </td><td align="left" valign="top">Why we chose to start from scratch. |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="Project-Status.html#Project-Status" accesskey="5">Project Status</a>:</td><td> </td><td align="left" valign="top">Status of GNU Fortran, roadmap, proposed extensions. |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="Standards.html#Standards" accesskey="6">Standards</a>:</td><td> </td><td align="left" valign="top">Standards supported by GNU Fortran. |
| </td></tr> |
| </table> |
| |
| |
| |
| |
| |
| |
| </body> |
| </html> |
