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diff --git a/share/doc/gfortran/ISO_005fFORTRAN_005fENV.html b/share/doc/gfortran/ISO_005fFORTRAN_005fENV.html new file mode 100644 index 0000000..b3b22f3 --- /dev/null +++ b/share/doc/gfortran/ISO_005fFORTRAN_005fENV.html @@ -0,0 +1,228 @@ +<!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). 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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: ISO_FORTRAN_ENV</title> + +<meta name="description" content="The GNU Fortran Compiler: ISO_FORTRAN_ENV"> +<meta name="keywords" content="The GNU Fortran Compiler: ISO_FORTRAN_ENV"> +<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="Intrinsic-Modules.html#Intrinsic-Modules" rel="up" title="Intrinsic Modules"> +<link href="ISO_005fC_005fBINDING.html#ISO_005fC_005fBINDING" rel="next" title="ISO_C_BINDING"> +<link href="Intrinsic-Modules.html#Intrinsic-Modules" rel="previous" title="Intrinsic Modules"> +<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="ISO_005fFORTRAN_005fENV"></a> +<div class="header"> +<p> +Next: <a href="ISO_005fC_005fBINDING.html#ISO_005fC_005fBINDING" accesskey="n" rel="next">ISO_C_BINDING</a>, Up: <a href="Intrinsic-Modules.html#Intrinsic-Modules" accesskey="u" rel="up">Intrinsic Modules</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="ISO_005fFORTRAN_005fENV-1"></a> +<h3 class="section">9.1 <code>ISO_FORTRAN_ENV</code></h3> +<dl compact="compact"> +<dt><em>Standard</em>:</dt> +<dd><p>Fortran 2003 and later, except when otherwise noted +</p></dd> +</dl> + +<p>The <code>ISO_FORTRAN_ENV</code> module provides the following scalar default-integer +named constants: +</p> +<dl compact="compact"> +<dt><code>ATOMIC_INT_KIND</code>:</dt> +<dd><p>Default-kind integer constant to be used as kind parameter when defining +integer variables used in atomic operations. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>ATOMIC_LOGICAL_KIND</code>:</dt> +<dd><p>Default-kind integer constant to be used as kind parameter when defining +logical variables used in atomic operations. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>CHARACTER_KINDS</code>:</dt> +<dd><p>Default-kind integer constant array of rank one containing the supported kind +parameters of the <code>CHARACTER</code> type. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>CHARACTER_STORAGE_SIZE</code>:</dt> +<dd><p>Size in bits of the character storage unit. +</p> +</dd> +<dt><code>ERROR_UNIT</code>:</dt> +<dd><p>Identifies the preconnected unit used for error reporting. +</p> +</dd> +<dt><code>FILE_STORAGE_SIZE</code>:</dt> +<dd><p>Size in bits of the file-storage unit. +</p> +</dd> +<dt><code>INPUT_UNIT</code>:</dt> +<dd><p>Identifies the preconnected unit identified by the asterisk +(<code>*</code>) in <code>READ</code> statement. +</p> +</dd> +<dt><code>INT8</code>, <code>INT16</code>, <code>INT32</code>, <code>INT64</code>:</dt> +<dd><p>Kind type parameters to specify an INTEGER type with a storage +size of 16, 32, and 64 bits. It is negative if a target platform +does not support the particular kind. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>INTEGER_KINDS</code>:</dt> +<dd><p>Default-kind integer constant array of rank one containing the supported kind +parameters of the <code>INTEGER</code> type. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>IOSTAT_END</code>:</dt> +<dd><p>The value assigned to the variable passed to the <code>IOSTAT=</code> specifier of +an input/output statement if an end-of-file condition occurred. +</p> +</dd> +<dt><code>IOSTAT_EOR</code>:</dt> +<dd><p>The value assigned to the variable passed to the <code>IOSTAT=</code> specifier of +an input/output statement if an end-of-record condition occurred. +</p> +</dd> +<dt><code>IOSTAT_INQUIRE_INTERNAL_UNIT</code>:</dt> +<dd><p>Scalar default-integer constant, used by <code>INQUIRE</code> for the +<code>IOSTAT=</code> specifier to denote an that a unit number identifies an +internal unit. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>NUMERIC_STORAGE_SIZE</code>:</dt> +<dd><p>The size in bits of the numeric storage unit. +</p> +</dd> +<dt><code>LOGICAL_KINDS</code>:</dt> +<dd><p>Default-kind integer constant array of rank one containing the supported kind +parameters of the <code>LOGICAL</code> type. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>OUTPUT_UNIT</code>:</dt> +<dd><p>Identifies the preconnected unit identified by the asterisk +(<code>*</code>) in <code>WRITE</code> statement. +</p> +</dd> +<dt><code>REAL32</code>, <code>REAL64</code>, <code>REAL128</code>:</dt> +<dd><p>Kind type parameters to specify a REAL type with a storage +size of 32, 64, and 128 bits. It is negative if a target platform +does not support the particular kind. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>REAL_KINDS</code>:</dt> +<dd><p>Default-kind integer constant array of rank one containing the supported kind +parameters of the <code>REAL</code> type. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>STAT_LOCKED</code>:</dt> +<dd><p>Scalar default-integer constant used as STAT= return value by <code>LOCK</code> to +denote that the lock variable is locked by the executing image. (Fortran 2008 +or later.) +</p> +</dd> +<dt><code>STAT_LOCKED_OTHER_IMAGE</code>:</dt> +<dd><p>Scalar default-integer constant used as STAT= return value by <code>UNLOCK</code> to +denote that the lock variable is locked by another image. (Fortran 2008 or +later.) +</p> +</dd> +<dt><code>STAT_STOPPED_IMAGE</code>:</dt> +<dd><p>Positive, scalar default-integer constant used as STAT= return value if the +argument in the statement requires synchronisation with an image, which has +initiated the termination of the execution. (Fortran 2008 or later.) +</p> +</dd> +<dt><code>STAT_FAILED_IMAGE</code>:</dt> +<dd><p>Positive, scalar default-integer constant used as STAT= return value if the +argument in the statement requires communication with an image, which has +is in the failed state. (TS 18508 or later.) +</p> +</dd> +<dt><code>STAT_UNLOCKED</code>:</dt> +<dd><p>Scalar default-integer constant used as STAT= return value by <code>UNLOCK</code> to +denote that the lock variable is unlocked. (Fortran 2008 or later.) +</p></dd> +</dl> + +<p>The module provides the following derived type: +</p> +<dl compact="compact"> +<dt><code>LOCK_TYPE</code>:</dt> +<dd><p>Derived type with private components to be use with the <code>LOCK</code> and +<code>UNLOCK</code> statement. A variable of its type has to be always declared +as coarray and may not appear in a variable-definition context. +(Fortran 2008 or later.) +</p></dd> +</dl> + +<p>The module also provides the following intrinsic procedures: +<a href="COMPILER_005fOPTIONS.html#COMPILER_005fOPTIONS">COMPILER_OPTIONS</a> and <a href="COMPILER_005fVERSION.html#COMPILER_005fVERSION">COMPILER_VERSION</a>. +</p> + + +<hr> +<div class="header"> +<p> +Next: <a href="ISO_005fC_005fBINDING.html#ISO_005fC_005fBINDING" accesskey="n" rel="next">ISO_C_BINDING</a>, Up: <a href="Intrinsic-Modules.html#Intrinsic-Modules" accesskey="u" rel="up">Intrinsic Modules</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> + + + +</body> +</html> |