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<h1>Source for file PelEntryRational.php</h1>
<p>Documentation is available at <a href="../PEL/_PelEntryRational.php.html">PelEntryRational.php</a></p>
<div class="src-code">
<div class="src-code"><ol><li><div class="src-line"><a name="a1"></a><span class="src-php"><?php</span></div></li>
<li><div class="src-line"><a name="a2"></a> </div></li>
<li><div class="src-line"><a name="a3"></a><span class="src-comm">/* PEL: PHP Exif Library. A library with support for reading and</span></div></li>
<li><div class="src-line"><a name="a4"></a><span class="src-comm"> * writing all Exif headers in JPEG and TIFF images using PHP.</span></div></li>
<li><div class="src-line"><a name="a5"></a><span class="src-comm"> *</span></div></li>
<li><div class="src-line"><a name="a6"></a><span class="src-comm"> * Copyright (C) 2004, 2005, 2006 Martin Geisler.</span></div></li>
<li><div class="src-line"><a name="a7"></a><span class="src-comm"> *</span></div></li>
<li><div class="src-line"><a name="a8"></a><span class="src-comm"> * This program is free software; you can redistribute it and/or modify</span></div></li>
<li><div class="src-line"><a name="a9"></a><span class="src-comm"> * it under the terms of the GNU General Public License as published by</span></div></li>
<li><div class="src-line"><a name="a10"></a><span class="src-comm"> * the Free Software Foundation; either version 2 of the License, or</span></div></li>
<li><div class="src-line"><a name="a11"></a><span class="src-comm"> * (at your option) any later version.</span></div></li>
<li><div class="src-line"><a name="a12"></a><span class="src-comm"> *</span></div></li>
<li><div class="src-line"><a name="a13"></a><span class="src-comm"> * This program is distributed in the hope that it will be useful,</span></div></li>
<li><div class="src-line"><a name="a14"></a><span class="src-comm"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div></li>
<li><div class="src-line"><a name="a15"></a><span class="src-comm"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div></li>
<li><div class="src-line"><a name="a16"></a><span class="src-comm"> * GNU General Public License for more details.</span></div></li>
<li><div class="src-line"><a name="a17"></a><span class="src-comm"> *</span></div></li>
<li><div class="src-line"><a name="a18"></a><span class="src-comm"> * You should have received a copy of the GNU General Public License</span></div></li>
<li><div class="src-line"><a name="a19"></a><span class="src-comm"> * along with this program in the file COPYING; if not, write to the</span></div></li>
<li><div class="src-line"><a name="a20"></a><span class="src-comm"> * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,</span></div></li>
<li><div class="src-line"><a name="a21"></a><span class="src-comm"> * Boston, MA 02110-1301 USA</span></div></li>
<li><div class="src-line"><a name="a22"></a><span class="src-comm"> */</span></div></li>
<li><div class="src-line"><a name="a23"></a> </div></li>
<li><div class="src-line"><a name="a24"></a><span class="src-doc">/* $Id: PelEntryRational.php 419 2006-02-20 16:22:36Z mgeisler $ */</span></div></li>
<li><div class="src-line"><a name="a25"></a> </div></li>
<li><div class="src-line"><a name="a26"></a> </div></li>
<li><div class="src-line"><a name="a27"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a28"></a><span class="src-doc"> * Classes used to manipulate rational numbers.</span></div></li>
<li><div class="src-line"><a name="a29"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a30"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@author</span><span class="src-doc"> Martin Geisler <hide@address.com></span></div></li>
<li><div class="src-line"><a name="a31"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@version</span><span class="src-doc"> $Revision: 419 $</span></div></li>
<li><div class="src-line"><a name="a32"></a><span class="src-doc"> * </span><span class="src-doc-tag">@date</span><span class="src-doc"> $Date: 2006-02-20 17:22:36 +0100 (Mon, 20 Feb 2006) $</span></div></li>
<li><div class="src-line"><a name="a33"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@license</span><span class="src-doc"> http://www.gnu.org/licenses/gpl.html GNU General Public</span></div></li>
<li><div class="src-line"><a name="a34"></a><span class="src-doc"> * License (GPL)</span></div></li>
<li><div class="src-line"><a name="a35"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@package</span><span class="src-doc"> PEL</span></div></li>
<li><div class="src-line"><a name="a36"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a37"></a> </div></li>
<li><div class="src-line"><a name="a38"></a><span class="src-doc">/**#@+ Required class definitions. */</span></div></li>
<li><div class="src-line"><a name="a39"></a><span class="src-inc">require_once</span><span class="src-sym">(</span><span class="src-str">'PelEntryLong.php'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a40"></a><span class="src-doc-close-template">/**#@-*/</span></div></li>
<li><div class="src-line"><a name="a41"></a> </div></li>
<li><div class="src-line"><a name="a42"></a> </div></li>
<li><div class="src-line"><a name="a43"></a><span class="src-doc-template"> * Class for holding unsigned rational numbers.</span></div></li>
<li><div class="src-line"><a name="a44"></a><span class="src-doc-template"> *</span></div></li>
<li><div class="src-line"><a name="a45"></a><span class="src-doc-template"> * This class can hold rational numbers, consisting of a numerator and</span></div></li>
<li><div class="src-line"><a name="a46"></a><span class="src-doc-template"> * denominator both of which are of type unsigned long. Each rational</span></div></li>
<li><div class="src-line"><a name="a47"></a><span class="src-doc-template"> * is represented by an array with just two entries: the numerator and</span></div></li>
<li><div class="src-line"><a name="a48"></a><span class="src-doc-template"> * the denominator, in that order.</span></div></li>
<li><div class="src-line"><a name="a49"></a><span class="src-doc-template"> *</span></div></li>
<li><div class="src-line"><a name="a50"></a><span class="src-doc-template"> * The class can hold either just a single rational or an array of</span></div></li>
<li><div class="src-line"><a name="a51"></a><span class="src-doc-template"> * rationals. The class will be used to manipulate any of the Exif</span></div></li>
<li><div class="src-line"><a name="a52"></a><span class="src-doc-template"> * tags which can have format </span><span class="src-doc-inlinetag">{@link PelFormat::RATIONAL}</span><span class="src-doc-template"> like in this</span></div></li>
<li><div class="src-line"><a name="a53"></a><span class="src-doc-template"> * example:</span></div></li>
<li><div class="src-line"><a name="a54"></a><span class="src-doc-template"> *</span></div></li>
<li><div class="src-line"><a name="a55"></a><span class="src-doc-template"> * <code></span></div></li>
<li><div class="src-line"><a name="a56"></a><span class="src-doc-template"> * $resolution = $ifd->getEntry(PelTag::X_RESOLUTION);</span></div></li>
<li><div class="src-line"><a name="a57"></a><span class="src-doc-template"> * $resolution->setValue(array(1, 300));</span></div></li>
<li><div class="src-line"><a name="a58"></a><span class="src-doc-template"> * </code></span></div></li>
<li><div class="src-line"><a name="a59"></a><span class="src-doc-template"> *</span></div></li>
<li><div class="src-line"><a name="a60"></a><span class="src-doc-template"> * Here the x-resolution is adjusted to 1/300, which will be 300 DPI,</span></div></li>
<li><div class="src-line"><a name="a61"></a><span class="src-doc-template"> * unless the </span><span class="src-doc-inlinetag">{@link PelTag::RESOLUTION_UNIT resolution unit}</span><span class="src-doc-template"> is set</span></div></li>
<li><div class="src-line"><a name="a62"></a><span class="src-doc-template"> * to something different than 2 which means inches.</span></div></li>
<li><div class="src-line"><a name="a63"></a><span class="src-doc-template"> *</span></div></li>
<li><div class="src-line"><a name="a64"></a><span class="src-doc-template"> * </span><span class="src-doc-coretag">@author</span><span class="src-doc-template"> Martin Geisler <hide@address.com></span></div></li>
<li><div class="src-line"><a name="a65"></a><span class="src-doc-template"> * </span><span class="src-doc-coretag">@package</span><span class="src-doc-template"> PEL</span></div></li>
<li><div class="src-line"><a name="a67"></a><span class="src-doc-template"> */</span></div></li>
<li><div class="src-line"><a name="a68"></a><span class="src-key">class </span><a href="../PEL/PelEntryRational.html">PelEntryRational</a> <span class="src-key">extends </span><a href="../PEL/PelEntryLong.html">PelEntryLong</a> <span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a69"></a> </div></li>
<li><div class="src-line"><a name="a70"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a71"></a><span class="src-doc"> * Make a new entry that can hold an unsigned rational.</span></div></li>
<li><div class="src-line"><a name="a72"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a73"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">PelTag </span><span class="src-doc">the tag which this entry represents. This should</span></div></li>
<li><div class="src-line"><a name="a74"></a><span class="src-doc"> * be one of the constants defined in </span><span class="src-doc-inlinetag">{@link PelTag}</span><span class="src-doc">, e.g., </span><span class="src-doc-inlinetag">{@link }</span></div></li>
<li><div class="src-line"><a name="a75"></a><span class="src-doc"> * PelTag::X_RESOLUTION}, or any other tag which can have format</span></div></li>
<li><div class="src-line"><a name="a76"></a><span class="src-doc"> * </span><span class="src-doc-inlinetag">{@link PelFormat::RATIONAL}</span><span class="src-doc">.</span></div></li>
<li><div class="src-line"><a name="a77"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a78"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">array </span><span class="src-doc-var">$value... </span><span class="src-doc">the rational(s) that this entry will</span></div></li>
<li><div class="src-line"><a name="a79"></a><span class="src-doc"> * represent. The arguments passed must obey the same rules as the</span></div></li>
<li><div class="src-line"><a name="a80"></a><span class="src-doc"> * argument to </span><span class="src-doc-inlinetag">{@link setValue}</span><span class="src-doc">, namely that each argument should be</span></div></li>
<li><div class="src-line"><a name="a81"></a><span class="src-doc"> * an array with two entries, both of which must be within range of</span></div></li>
<li><div class="src-line"><a name="a82"></a><span class="src-doc"> * an unsigned long (32 bit), that is between 0 and 4294967295</span></div></li>
<li><div class="src-line"><a name="a83"></a><span class="src-doc"> * (inclusive). If not, then a </span><span class="src-doc-inlinetag">{@link PelOverflowException}</span><span class="src-doc"> will be</span></div></li>
<li><div class="src-line"><a name="a84"></a><span class="src-doc"> * thrown.</span></div></li>
<li><div class="src-line"><a name="a85"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a86"></a> <span class="src-key">function </span><a href="../PEL/PelEntryRational.html#method__construct">__construct</a><span class="src-sym">(</span><span class="src-var">$tag </span><span class="src-comm">/* $value... */</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a87"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$tag">tag</a> = <span class="src-var">$tag</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a88"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$format">format</a> = <span class="src-id"><a href="../PEL/PelFormat.html">PelFormat</a></span><span class="src-sym">::</span><span class="src-id">RATIONAL</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a89"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$dimension">dimension</a> = <span class="src-num">2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a90"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$min">min</a> = <span class="src-num">0</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a91"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$max">max</a> = <span class="src-num">4294967295</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a92"></a> </div></li>
<li><div class="src-line"><a name="a93"></a> <span class="src-var">$value </span>= <a href="http://www.php.net/func_get_args">func_get_args</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a94"></a> <a href="http://www.php.net/array_shift">array_shift</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a95"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#methodsetValueArray">setValueArray</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a96"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a97"></a> </div></li>
<li><div class="src-line"><a name="a98"></a> </div></li>
<li><div class="src-line"><a name="a99"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a100"></a><span class="src-doc"> * Format a rational number.</span></div></li>
<li><div class="src-line"><a name="a101"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a102"></a><span class="src-doc"> * The rational will be returned as a string with a slash '/'</span></div></li>
<li><div class="src-line"><a name="a103"></a><span class="src-doc"> * between the numerator and denominator.</span></div></li>
<li><div class="src-line"><a name="a104"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a105"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">array </span><span class="src-doc">the rational which will be formatted.</span></div></li>
<li><div class="src-line"><a name="a106"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a107"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">boolean </span><span class="src-doc">not used.</span></div></li>
<li><div class="src-line"><a name="a108"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a109"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">the rational formatted as a string suitable for</span></div></li>
<li><div class="src-line"><a name="a110"></a><span class="src-doc"> * display.</span></div></li>
<li><div class="src-line"><a name="a111"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a112"></a> <span class="src-key">function </span><a href="../PEL/PelEntryRational.html#methodformatNumber">formatNumber</a><span class="src-sym">(</span><span class="src-var">$number</span><span class="src-sym">, </span><span class="src-var">$brief </span>= <span class="src-id">false</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a113"></a> <span class="src-key">return </span><span class="src-var">$number</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">] </span>. <span class="src-str">'/' </span>. <span class="src-var">$number</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a114"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a115"></a> </div></li>
<li><div class="src-line"><a name="a116"></a> </div></li>
<li><div class="src-line"><a name="a117"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a118"></a><span class="src-doc"> * Get the value of an entry as text.</span></div></li>
<li><div class="src-line"><a name="a119"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a120"></a><span class="src-doc"> * The value will be returned in a format suitable for presentation,</span></div></li>
<li><div class="src-line"><a name="a121"></a><span class="src-doc"> * e.g., rationals will be returned as 'x/y', ASCII strings will be</span></div></li>
<li><div class="src-line"><a name="a122"></a><span class="src-doc"> * returned as themselves etc.</span></div></li>
<li><div class="src-line"><a name="a123"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a124"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">boolean </span><span class="src-doc">some values can be returned in a long or more</span></div></li>
<li><div class="src-line"><a name="a125"></a><span class="src-doc"> * brief form, and this parameter controls that.</span></div></li>
<li><div class="src-line"><a name="a126"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a127"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">the value as text.</span></div></li>
<li><div class="src-line"><a name="a128"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a129"></a> <span class="src-key">function </span><a href="../PEL/PelEntryRational.html#methodgetText">getText</a><span class="src-sym">(</span><span class="src-var">$brief </span>= <span class="src-id">false</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a130"></a> <span class="src-key">if </span><span class="src-sym">(</span>isset<span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">))</span></div></li>
<li><div class="src-line"><a name="a131"></a> <span class="src-var">$v </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a132"></a> </div></li>
<li><div class="src-line"><a name="a133"></a> <span class="src-key">switch </span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$tag">tag</a><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a134"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">FNUMBER</span>:</div></li>
<li><div class="src-line"><a name="a135"></a> <span class="src-comm">//CC (e->components, 1, v);</span></div></li>
<li><div class="src-line"><a name="a136"></a> <span class="src-key">return </span><span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodfmt">fmt</a><span class="src-sym">(</span><span class="src-str">'f/%.01f'</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a137"></a> </div></li>
<li><div class="src-line"><a name="a138"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">APERTURE_VALUE</span>:</div></li>
<li><div class="src-line"><a name="a139"></a> <span class="src-comm">//CC (e->components, 1, v);</span></div></li>
<li><div class="src-line"><a name="a140"></a> <span class="src-comm">//if (!v_rat.denominator) return (NULL);</span></div></li>
<li><div class="src-line"><a name="a141"></a> <span class="src-key">return </span><span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodfmt">fmt</a><span class="src-sym">(</span><span class="src-str">'f/%.01f'</span><span class="src-sym">, </span><a href="http://www.php.net/pow">pow</a><span class="src-sym">(</span><span class="src-num">2</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span>/<span class="src-num">2</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a142"></a> </div></li>
<li><div class="src-line"><a name="a143"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">FOCAL_LENGTH</span>:</div></li>
<li><div class="src-line"><a name="a144"></a> <span class="src-comm">//CC (e->components, 1, v);</span></div></li>
<li><div class="src-line"><a name="a145"></a> <span class="src-comm">//if (!v_rat.denominator) return (NULL);</span></div></li>
<li><div class="src-line"><a name="a146"></a> <span class="src-key">return </span><span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodfmt">fmt</a><span class="src-sym">(</span><span class="src-str">'%.1f mm'</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a147"></a> </div></li>
<li><div class="src-line"><a name="a148"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">SUBJECT_DISTANCE</span>:</div></li>
<li><div class="src-line"><a name="a149"></a> <span class="src-comm">//CC (e->components, 1, v);</span></div></li>
<li><div class="src-line"><a name="a150"></a> <span class="src-comm">//if (!v_rat.denominator) return (NULL);</span></div></li>
<li><div class="src-line"><a name="a151"></a> <span class="src-key">return </span><span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodfmt">fmt</a><span class="src-sym">(</span><span class="src-str">'%.1f m'</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a152"></a> </div></li>
<li><div class="src-line"><a name="a153"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">EXPOSURE_TIME</span>:</div></li>
<li><div class="src-line"><a name="a154"></a> <span class="src-comm">//CC (e->components, 1, v);</span></div></li>
<li><div class="src-line"><a name="a155"></a> <span class="src-comm">//if (!v_rat.denominator) return (NULL);</span></div></li>
<li><div class="src-line"><a name="a156"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">] </span>< <span class="src-num">1</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a157"></a> <span class="src-key">return </span><span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodfmt">fmt</a><span class="src-sym">(</span><span class="src-str">'1/%d sec.'</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span>/<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a158"></a> <span class="src-key">else</span></div></li>
<li><div class="src-line"><a name="a159"></a> <span class="src-key">return </span><span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodfmt">fmt</a><span class="src-sym">(</span><span class="src-str">'%d sec.'</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a160"></a> </div></li>
<li><div class="src-line"><a name="a161"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">GPS_LATITUDE</span>:</div></li>
<li><div class="src-line"><a name="a162"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">GPS_LONGITUDE</span>:</div></li>
<li><div class="src-line"><a name="a163"></a> <span class="src-var">$degrees </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a164"></a> <span class="src-var">$minutes </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a165"></a> <span class="src-var">$seconds </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">2</span><span class="src-sym">]</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">2</span><span class="src-sym">]</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a166"></a> </div></li>
<li><div class="src-line"><a name="a167"></a> <span class="src-key">return </span><a href="http://www.php.net/sprintf">sprintf</a><span class="src-sym">(</span><span class="src-str">'%s° %s\' %s" (%.2f°)'</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a168"></a> <span class="src-var">$degrees</span><span class="src-sym">, </span><span class="src-var">$minutes</span><span class="src-sym">, </span><span class="src-var">$seconds</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a169"></a> <span class="src-var">$degrees </span>+ <span class="src-var">$minutes</span>/<span class="src-num">60 </span>+ <span class="src-var">$seconds</span>/<span class="src-num">3600</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a170"></a> </div></li>
<li><div class="src-line"><a name="a171"></a> <span class="src-key">default</span>:</div></li>
<li><div class="src-line"><a name="a172"></a> <span class="src-key">return </span><span class="src-id">parent</span><span class="src-sym">::</span><span class="src-id">getText</span><span class="src-sym">(</span><span class="src-var">$brief</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a173"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a174"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a175"></a><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a176"></a> </div></li>
<li><div class="src-line"><a name="a177"></a> </div></li>
<li><div class="src-line"><a name="a178"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a179"></a><span class="src-doc"> * Class for holding signed rational numbers.</span></div></li>
<li><div class="src-line"><a name="a180"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a181"></a><span class="src-doc"> * This class can hold rational numbers, consisting of a numerator and</span></div></li>
<li><div class="src-line"><a name="a182"></a><span class="src-doc"> * denominator both of which are of type unsigned long. Each rational</span></div></li>
<li><div class="src-line"><a name="a183"></a><span class="src-doc"> * is represented by an array with just two entries: the numerator and</span></div></li>
<li><div class="src-line"><a name="a184"></a><span class="src-doc"> * the denominator, in that order.</span></div></li>
<li><div class="src-line"><a name="a185"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a186"></a><span class="src-doc"> * The class can hold either just a single rational or an array of</span></div></li>
<li><div class="src-line"><a name="a187"></a><span class="src-doc"> * rationals. The class will be used to manipulate any of the Exif</span></div></li>
<li><div class="src-line"><a name="a188"></a><span class="src-doc"> * tags which can have format </span><span class="src-doc-inlinetag">{@link PelFormat::SRATIONAL}</span><span class="src-doc">.</span></div></li>
<li><div class="src-line"><a name="a189"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a190"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@author</span><span class="src-doc"> Martin Geisler <hide@address.com></span></div></li>
<li><div class="src-line"><a name="a191"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@package</span><span class="src-doc"> PEL</span></div></li>
<li><div class="src-line"><a name="a192"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a193"></a><span class="src-key">class </span><a href="../PEL/PelEntrySRational.html">PelEntrySRational</a> <span class="src-key">extends </span><a href="../PEL/PelEntrySLong.html">PelEntrySLong</a> <span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a194"></a> </div></li>
<li><div class="src-line"><a name="a195"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a196"></a><span class="src-doc"> * Make a new entry that can hold a signed rational.</span></div></li>
<li><div class="src-line"><a name="a197"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a198"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">PelTag </span><span class="src-doc">the tag which this entry represents. This should</span></div></li>
<li><div class="src-line"><a name="a199"></a><span class="src-doc"> * be one of the constants defined in </span><span class="src-doc-inlinetag">{@link PelTag}</span><span class="src-doc">, e.g., </span><span class="src-doc-inlinetag">{@link }</span></div></li>
<li><div class="src-line"><a name="a200"></a><span class="src-doc"> * PelTag::SHUTTER_SPEED_VALUE}, or any other tag which can have</span></div></li>
<li><div class="src-line"><a name="a201"></a><span class="src-doc"> * format </span><span class="src-doc-inlinetag">{@link PelFormat::SRATIONAL}</span><span class="src-doc">.</span></div></li>
<li><div class="src-line"><a name="a202"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a203"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">array </span><span class="src-doc-var">$value... </span><span class="src-doc">the rational(s) that this entry will</span></div></li>
<li><div class="src-line"><a name="a204"></a><span class="src-doc"> * represent. The arguments passed must obey the same rules as the</span></div></li>
<li><div class="src-line"><a name="a205"></a><span class="src-doc"> * argument to </span><span class="src-doc-inlinetag">{@link setValue}</span><span class="src-doc">, namely that each argument should be</span></div></li>
<li><div class="src-line"><a name="a206"></a><span class="src-doc"> * an array with two entries, both of which must be within range of</span></div></li>
<li><div class="src-line"><a name="a207"></a><span class="src-doc"> * a signed long (32 bit), that is between -2147483648 and</span></div></li>
<li><div class="src-line"><a name="a208"></a><span class="src-doc"> * 2147483647 (inclusive). If not, then a </span><span class="src-doc-inlinetag">{@link }</span></div></li>
<li><div class="src-line"><a name="a209"></a><span class="src-doc"> * PelOverflowException} will be thrown.</span></div></li>
<li><div class="src-line"><a name="a210"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a211"></a> <span class="src-key">function </span><a href="../PEL/PelEntrySRational.html#method__construct">__construct</a><span class="src-sym">(</span><span class="src-var">$tag </span><span class="src-comm">/* $value... */</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a212"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$tag">tag</a> = <span class="src-var">$tag</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a213"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$format">format</a> = <span class="src-id"><a href="../PEL/PelFormat.html">PelFormat</a></span><span class="src-sym">::</span><span class="src-id">SRATIONAL</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a214"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$dimension">dimension</a> = <span class="src-num">2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a215"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$min">min</a> = -<span class="src-num">2147483648</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a216"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$max">max</a> = <span class="src-num">2147483647</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a217"></a> </div></li>
<li><div class="src-line"><a name="a218"></a> <span class="src-var">$value </span>= <a href="http://www.php.net/func_get_args">func_get_args</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a219"></a> <a href="http://www.php.net/array_shift">array_shift</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a220"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#methodsetValueArray">setValueArray</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a221"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a222"></a> </div></li>
<li><div class="src-line"><a name="a223"></a> </div></li>
<li><div class="src-line"><a name="a224"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a225"></a><span class="src-doc"> * Format a rational number.</span></div></li>
<li><div class="src-line"><a name="a226"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a227"></a><span class="src-doc"> * The rational will be returned as a string with a slash '/'</span></div></li>
<li><div class="src-line"><a name="a228"></a><span class="src-doc"> * between the numerator and denominator. Care is taken to display</span></div></li>
<li><div class="src-line"><a name="a229"></a><span class="src-doc"> * '-1/2' instead of the ugly but mathematically equivalent '1/-2'.</span></div></li>
<li><div class="src-line"><a name="a230"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a231"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">array </span><span class="src-doc">the rational which will be formatted.</span></div></li>
<li><div class="src-line"><a name="a232"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a233"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">boolean </span><span class="src-doc">not used.</span></div></li>
<li><div class="src-line"><a name="a234"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a235"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">the rational formatted as a string suitable for</span></div></li>
<li><div class="src-line"><a name="a236"></a><span class="src-doc"> * display.</span></div></li>
<li><div class="src-line"><a name="a237"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a238"></a> <span class="src-key">function </span><a href="../PEL/PelEntrySRational.html#methodformatNumber">formatNumber</a><span class="src-sym">(</span><span class="src-var">$number</span><span class="src-sym">, </span><span class="src-var">$brief </span>= <span class="src-id">false</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a239"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$number</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">] </span>< <span class="src-num">0</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a240"></a> <span class="src-comm">/* Turn output like 1/-2 into -1/2. */</span></div></li>
<li><div class="src-line"><a name="a241"></a> <span class="src-key">return </span><span class="src-sym">(</span>-<span class="src-var">$number</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">) </span>. <span class="src-str">'/' </span>. <span class="src-sym">(</span>-<span class="src-var">$number</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a242"></a> <span class="src-key">else</span></div></li>
<li><div class="src-line"><a name="a243"></a> <span class="src-key">return </span><span class="src-var">$number</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">] </span>. <span class="src-str">'/' </span>. <span class="src-var">$number</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a244"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a245"></a> </div></li>
<li><div class="src-line"><a name="a246"></a> </div></li>
<li><div class="src-line"><a name="a247"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a248"></a><span class="src-doc"> * Get the value of an entry as text.</span></div></li>
<li><div class="src-line"><a name="a249"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a250"></a><span class="src-doc"> * The value will be returned in a format suitable for presentation,</span></div></li>
<li><div class="src-line"><a name="a251"></a><span class="src-doc"> * e.g., rationals will be returned as 'x/y', ASCII strings will be</span></div></li>
<li><div class="src-line"><a name="a252"></a><span class="src-doc"> * returned as themselves etc.</span></div></li>
<li><div class="src-line"><a name="a253"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a254"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">boolean </span><span class="src-doc">some values can be returned in a long or more</span></div></li>
<li><div class="src-line"><a name="a255"></a><span class="src-doc"> * brief form, and this parameter controls that.</span></div></li>
<li><div class="src-line"><a name="a256"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a257"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">the value as text.</span></div></li>
<li><div class="src-line"><a name="a258"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a259"></a> <span class="src-key">function </span><a href="../PEL/PelEntrySRational.html#methodgetText">getText</a><span class="src-sym">(</span><span class="src-var">$brief </span>= <span class="src-id">false</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a260"></a> <span class="src-key">if </span><span class="src-sym">(</span>isset<span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">))</span></div></li>
<li><div class="src-line"><a name="a261"></a> <span class="src-var">$v </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a262"></a> </div></li>
<li><div class="src-line"><a name="a263"></a> <span class="src-key">switch </span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$tag">tag</a><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a264"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">SHUTTER_SPEED_VALUE</span>:</div></li>
<li><div class="src-line"><a name="a265"></a> <span class="src-comm">//CC (e->components, 1, v);</span></div></li>
<li><div class="src-line"><a name="a266"></a> <span class="src-comm">//if (!v_srat.denominator) return (NULL);</span></div></li>
<li><div class="src-line"><a name="a267"></a> <span class="src-key">return </span><span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodfmt">fmt</a><span class="src-sym">(</span><span class="src-str">'%.0f/%.0f sec. (APEX: %d)'</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a268"></a> <span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">, </span><a href="http://www.php.net/pow">pow</a><span class="src-sym">(</span><a href="http://www.php.net/sqrt">sqrt</a><span class="src-sym">(</span><span class="src-num">2</span><span class="src-sym">)</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a269"></a> </div></li>
<li><div class="src-line"><a name="a270"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">BRIGHTNESS_VALUE</span>:</div></li>
<li><div class="src-line"><a name="a271"></a> <span class="src-comm">//CC (e->components, 1, v);</span></div></li>
<li><div class="src-line"><a name="a272"></a> <span class="src-comm">//</span></div></li>
<li><div class="src-line"><a name="a273"></a> <span class="src-comm">// TODO: figure out the APEX thing, or remove this so that it is</span></div></li>
<li><div class="src-line"><a name="a274"></a> <span class="src-comm">// handled by the default clause at the bottom.</span></div></li>
<li><div class="src-line"><a name="a275"></a> <span class="src-key">return </span><a href="http://www.php.net/sprintf">sprintf</a><span class="src-sym">(</span><span class="src-str">'%d/%d'</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a276"></a> <span class="src-comm">//FIXME: How do I calculate the APEX value?</span></div></li>
<li><div class="src-line"><a name="a277"></a> </div></li>
<li><div class="src-line"><a name="a278"></a> <span class="src-key">case </span><span class="src-id"><a href="../PEL/PelTag.html">PelTag</a></span><span class="src-sym">::</span><span class="src-id">EXPOSURE_BIAS_VALUE</span>:</div></li>
<li><div class="src-line"><a name="a279"></a> <span class="src-comm">//CC (e->components, 1, v);</span></div></li>
<li><div class="src-line"><a name="a280"></a> <span class="src-comm">//if (!v_srat.denominator) return (NULL);</span></div></li>
<li><div class="src-line"><a name="a281"></a> <span class="src-key">return </span><a href="http://www.php.net/sprintf">sprintf</a><span class="src-sym">(</span><span class="src-str">'%s%.01f'</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>*<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">] </span>> <span class="src-num">0 </span>? <span class="src-str">'+' </span>: <span class="src-str">''</span><span class="src-sym">, </span><span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span>/<span class="src-var">$v</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a282"></a> </div></li>
<li><div class="src-line"><a name="a283"></a> <span class="src-key">default</span>:</div></li>
<li><div class="src-line"><a name="a284"></a> <span class="src-key">return </span><span class="src-id">parent</span><span class="src-sym">::</span><span class="src-id">getText</span><span class="src-sym">(</span><span class="src-var">$brief</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a285"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a286"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a287"></a> </div></li>
<li><div class="src-line"><a name="a288"></a><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a289"></a> </div></li>
<li><div class="src-line"><a name="a290"></a><span class="src-php">?></span></div></li>
</ol></div>
</div>
<p class="notes" id="credit">
Documentation generated on Tue, 19 Dec 2006 01:08:21 +0100 by <a href="http://www.phpdoc.org" target="_blank">phpDocumentor 1.3.0</a>
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