<html lang="en"> <head> <title>SIZE - The GNU Fortran Compiler</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="The GNU Fortran Compiler"> <meta name="generator" content="makeinfo 4.13"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="Intrinsic-Procedures.html#Intrinsic-Procedures" title="Intrinsic Procedures"> <link rel="prev" href="SINH.html#SINH" title="SINH"> <link rel="next" href="SIZEOF.html#SIZEOF" title="SIZEOF"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 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.--> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family:serif; font-weight:normal; } span.sansserif { font-family:sans-serif; font-weight:normal; } --></style> </head> <body> <div class="node"> <a name="SIZE"></a> <p> Next: <a rel="next" accesskey="n" href="SIZEOF.html#SIZEOF">SIZEOF</a>, Previous: <a rel="previous" accesskey="p" href="SINH.html#SINH">SINH</a>, Up: <a rel="up" accesskey="u" href="Intrinsic-Procedures.html#Intrinsic-Procedures">Intrinsic Procedures</a> <hr> </div> <h3 class="section">8.223 <code>SIZE</code> — Determine the size of an array</h3> <p><a name="index-SIZE-1014"></a><a name="index-array_002c-size-1015"></a><a name="index-array_002c-number-of-elements-1016"></a><a name="index-array_002c-count-elements-1017"></a> <dl> <dt><em>Description</em>:<dd>Determine the extent of <var>ARRAY</var> along a specified dimension <var>DIM</var>, or the total number of elements in <var>ARRAY</var> if <var>DIM</var> is absent. <br><dt><em>Standard</em>:<dd>Fortran 95 and later, with <var>KIND</var> argument Fortran 2003 and later <br><dt><em>Class</em>:<dd>Inquiry function <br><dt><em>Syntax</em>:<dd><code>RESULT = SIZE(ARRAY[, DIM [, KIND]])</code> <br><dt><em>Arguments</em>:<dd> <p><table summary=""><tr align="left"><td valign="top" width="15%"><var>ARRAY</var> </td><td valign="top" width="70%">Shall be an array of any type. If <var>ARRAY</var> is a pointer it must be associated and allocatable arrays must be allocated. <br></td></tr><tr align="left"><td valign="top" width="15%"><var>DIM</var> </td><td valign="top" width="70%">(Optional) shall be a scalar of type <code>INTEGER</code> and its value shall be in the range from 1 to n, where n equals the rank of <var>ARRAY</var>. <br></td></tr><tr align="left"><td valign="top" width="15%"><var>KIND</var> </td><td valign="top" width="70%">(Optional) An <code>INTEGER</code> initialization expression indicating the kind parameter of the result. <br></td></tr></table> <br><dt><em>Return value</em>:<dd>The return value is of type <code>INTEGER</code> and of kind <var>KIND</var>. If <var>KIND</var> is absent, the return value is of default integer kind. <br><dt><em>Example</em>:<dd> <pre class="smallexample"> PROGRAM test_size WRITE(*,*) SIZE((/ 1, 2 /)) ! 2 END PROGRAM </pre> <br><dt><em>See also</em>:<dd><a href="SHAPE.html#SHAPE">SHAPE</a>, <a href="RESHAPE.html#RESHAPE">RESHAPE</a> </dl> </body></html>