<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>linbox: ModularRandIter< Element > Class Template Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.4 --> <script type="text/javascript"> function hasClass(ele,cls) { return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)')); } function addClass(ele,cls) { if (!this.hasClass(ele,cls)) ele.className += " "+cls; } function removeClass(ele,cls) { if (hasClass(ele,cls)) { var reg = new RegExp('(\\s|^)'+cls+'(\\s|$)'); ele.className=ele.className.replace(reg,' '); } } function toggleVisibility(linkObj) { var base = linkObj.getAttribute('id'); var summary = document.getElementById(base + '-summary'); var content = 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Element > Class Template Reference</div> </div> </div> <div class="contents"> <!-- doxytag: class="LinBox::ModularRandIter" --> <p>Random field base element generator. <a href="class_lin_box_1_1_modular_rand_iter.html#details">More...</a></p> <p><code>#include <modular.h></code></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html#a6d1ade88b746f3778a65683bfba3b2b6">ModularRandIter</a> (const <a class="el" href="class_lin_box_1_1_modular.html">Modular</a>< Element > &F, const <a class="el" href="group__integers.html#gad62eceb96963b157a2357aba991f6d6e">integer</a> &size=0, const <a class="el" href="group__integers.html#gad62eceb96963b157a2357aba991f6d6e">integer</a> &seed=0)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor from field, sampling size, and seed. <a href="#a6d1ade88b746f3778a65683bfba3b2b6"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html#a8e04c8582443e6e9267cd1360f5ba90f">ModularRandIter</a> (const <a class="el" href="class_lin_box_1_1_modular_rand_iter.html">ModularRandIter</a>< Element > &R)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor. <a href="#a8e04c8582443e6e9267cd1360f5ba90f"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html#a4e270689a603ee3109e05f5e40bec891">~ModularRandIter</a> ()</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#a4e270689a603ee3109e05f5e40bec891"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html">ModularRandIter</a>< Element > & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html#afd96f6151be9711f28f9df8ec6afacb4">operator=</a> (const <a class="el" href="class_lin_box_1_1_modular_rand_iter.html">ModularRandIter</a>< Element > &R)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. <a href="#afd96f6151be9711f28f9df8ec6afacb4"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">Element & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html#a5d14896944481a69181ca8b871d46f7f">random</a> (Element &a) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Random field element creator. <a href="#a5d14896944481a69181ca8b871d46f7f"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">Element & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html#a5d8293394aeec47daba54e6ec4651c45">nonzerorandom</a> (Element &a) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Random field element creator. <a href="#a5d8293394aeec47daba54e6ec4651c45"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_lin_box_1_1_element_abstract.html">ElementAbstract</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html#adcd52d6cef0599b26cbe79ee36802b92">random</a> (<a class="el" href="class_lin_box_1_1_element_abstract.html">ElementAbstract</a> &a) const </td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Random field element creator. <a href="#adcd52d6cef0599b26cbe79ee36802b92"></a><br/></td></tr> </table> <hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><h3>template<class Element><br/> class LinBox::ModularRandIter< Element ></h3> <p>Random field base element generator. </p> <p>This encapsulated class is a generator of random field base elements for the encapsulating field. It is required to contain constructors from a field object and two integers. The first integer being a cardinality of a set to draw the random elements from, and the second being a seed for the random number generator. It is also required to contain a copy constructor, a destructor, and an operator () which acts on a reference to a field base element. In this operator (), the random element is placed into the input field base element and also returned as a reference. </p> </div><hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="a6d1ade88b746f3778a65683bfba3b2b6"></a><!-- doxytag: member="LinBox::ModularRandIter::ModularRandIter" ref="a6d1ade88b746f3778a65683bfba3b2b6" args="(const Modular< Element > &F, const integer &size=0, const integer &seed=0)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html">ModularRandIter</a> </td> <td>(</td> <td class="paramtype">const <a class="el" href="class_lin_box_1_1_modular.html">Modular</a>< Element > & </td> <td class="paramname"><em>F</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__integers.html#gad62eceb96963b157a2357aba991f6d6e">integer</a> & </td> <td class="paramname"><em>size</em> = <code>0</code>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__integers.html#gad62eceb96963b157a2357aba991f6d6e">integer</a> & </td> <td class="paramname"><em>seed</em> = <code>0</code> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Constructor from field, sampling size, and seed. </p> <p>The random field element iterator works in the field F, is seeded by seed, and it returns any one element with probability no more than <code>1/min (size, F.cardinality (c))</code>. A sampling size of zero means to sample from the entire field. A seed of zero means to use some arbitrary seed for the generator. Purely virtual. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">F</td><td><a class="el" href="namespace_lin_box.html" title="Namespace in which all linbox code resides.">LinBox</a> field archetype object in which to do arithmetic </td></tr> <tr><td class="paramname">size</td><td>constant integer reference of sample size from which to sample (default = modulus of field) </td></tr> <tr><td class="paramname">seed</td><td>constant integer reference from which to seed random number generator (default is 0 and new seed is generated) </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="a8e04c8582443e6e9267cd1360f5ba90f"></a><!-- doxytag: member="LinBox::ModularRandIter::ModularRandIter" ref="a8e04c8582443e6e9267cd1360f5ba90f" args="(const ModularRandIter< Element > &R)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html">ModularRandIter</a> </td> <td>(</td> <td class="paramtype">const <a class="el" href="class_lin_box_1_1_modular_rand_iter.html">ModularRandIter</a>< Element > & </td> <td class="paramname"><em>R</em></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Copy constructor. </p> <p>Constructs <a class="el" href="class_lin_box_1_1_modular_rand_iter.html" title="Random field base element generator.">ModularRandIter</a> object by copying the random field element generator. This is required to allow generator objects to be passed by value into functions. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">R</td><td><a class="el" href="class_lin_box_1_1_modular_rand_iter.html" title="Random field base element generator.">ModularRandIter</a> object. </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="a4e270689a603ee3109e05f5e40bec891"></a><!-- doxytag: member="LinBox::ModularRandIter::~ModularRandIter" ref="a4e270689a603ee3109e05f5e40bec891" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">~<a class="el" href="class_lin_box_1_1_modular_rand_iter.html">ModularRandIter</a> </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Destructor. </p> <p>This destructs the random field element generator object. </p> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="afd96f6151be9711f28f9df8ec6afacb4"></a><!-- doxytag: member="LinBox::ModularRandIter::operator=" ref="afd96f6151be9711f28f9df8ec6afacb4" args="(const ModularRandIter< Element > &R)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="class_lin_box_1_1_modular_rand_iter.html">ModularRandIter</a><Element>& operator= </td> <td>(</td> <td class="paramtype">const <a class="el" href="class_lin_box_1_1_modular_rand_iter.html">ModularRandIter</a>< Element > & </td> <td class="paramname"><em>R</em></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Assignment operator. </p> <p>Assigns <a class="el" href="class_lin_box_1_1_modular_rand_iter.html" title="Random field base element generator.">ModularRandIter</a> object R to generator. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">R</td><td><a class="el" href="class_lin_box_1_1_modular_rand_iter.html" title="Random field base element generator.">ModularRandIter</a> object. </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="a5d14896944481a69181ca8b871d46f7f"></a><!-- doxytag: member="LinBox::ModularRandIter::random" ref="a5d14896944481a69181ca8b871d46f7f" args="(Element &a) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Element& random </td> <td>(</td> <td class="paramtype">Element & </td> <td class="paramname"><em>a</em></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Random field element creator. </p> <p>This returns a random field element from the information supplied at the creation of the generator. Required by abstract base class. </p> <dl class="return"><dt><b>Returns:</b></dt><dd>reference to random field element </dd></dl> </div> </div> <a class="anchor" id="a5d8293394aeec47daba54e6ec4651c45"></a><!-- doxytag: member="LinBox::ModularRandIter::nonzerorandom" ref="a5d8293394aeec47daba54e6ec4651c45" args="(Element &a) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Element& nonzerorandom </td> <td>(</td> <td class="paramtype">Element & </td> <td class="paramname"><em>a</em></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Random field element creator. </p> <p>This returns a random field element from the information supplied at the creation of the generator. Required by abstract base class. </p> <dl class="return"><dt><b>Returns:</b></dt><dd>reference to random field element </dd></dl> </div> </div> <a class="anchor" id="adcd52d6cef0599b26cbe79ee36802b92"></a><!-- doxytag: member="LinBox::ModularRandIter::random" ref="adcd52d6cef0599b26cbe79ee36802b92" args="(ElementAbstract &a) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="class_lin_box_1_1_element_abstract.html">ElementAbstract</a>& random </td> <td>(</td> <td class="paramtype"><a class="el" href="class_lin_box_1_1_element_abstract.html">ElementAbstract</a> & </td> <td class="paramname"><em>a</em></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Random field element creator. </p> <p>This returns a random field element from the information supplied at the creation of the generator. Required by abstract base class. </p> <dl class="return"><dt><b>Returns:</b></dt><dd>reference to random field element </dd></dl> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li>randiter/modular.h</li> </ul> </div> <hr class="footer"/><address class="footer"><small>Generated on Tue Aug 30 2011 for linbox by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address> </body> </html>