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[538]5<title>mixpp: bdm::object_ptr&lt; T &gt; Class Template Reference</title>
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[538]69  <div class="navpath"><b>bdm</b>::<a class="el" href="classbdm_1_1object__ptr.html">object_ptr</a>
[472]70  </div>
71</div>
72<div class="contents">
[591]73<h1>bdm::object_ptr&lt; T &gt; Class Template Reference</h1><!-- doxytag: class="bdm::object_ptr" --><!-- doxytag: inherits="bdm::shared_ptr" -->
74<p>A wrapper of <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a> which is never empty. 
75<a href="#_details">More...</a></p>
[616]76<hr/><a name="_details"></a><h2>Detailed Description</h2>
77<h3>template&lt;typename T&gt;<br/>
78 class bdm::object_ptr&lt; T &gt;</h3>
[472]79
[616]80<p>A wrapper of <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a> which is never empty. </p>
81<p>T must have a default constructor.</p>
82<p>Note that shared_ptr's destructor isn't virtual - don't call delete on pointers to instances of this class. </p>
83
[591]84<p><code>#include &lt;<a class="el" href="shared__ptr_8h_source.html">shared_ptr.h</a>&gt;</code></p>
[472]85
[591]86<p><a href="classbdm_1_1object__ptr-members.html">List of all members.</a></p>
87<table border="0" cellpadding="0" cellspacing="0">
88<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
89<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1object__ptr.html#a9f1016ff2bbfa497d1cc0a4497c1fba4">object_ptr</a> ()</td></tr>
90<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor.  <a href="#a9f1016ff2bbfa497d1cc0a4497c1fba4"></a><br/></td></tr>
91<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1object__ptr.html#adcb20017177c98274c16087b2c0067dc">object_ptr</a> (const <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; T &gt; &amp;b)</td></tr>
92<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Upcast from shared_ptr&lt;T&gt; to object_ptr&lt;T&gt;<a href="#adcb20017177c98274c16087b2c0067dc"></a><br/></td></tr>
93<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1object__ptr.html#aa9eb00600d8640711eadeed98c7892e9">object_ptr</a> (T *p)</td></tr>
94<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9c80da05b7b3dfc59333ca9bf6f62970"></a><!-- doxytag: member="bdm::object_ptr::operator=" ref="a9c80da05b7b3dfc59333ca9bf6f62970" args="(const object_ptr&lt; T &gt; &amp;other)" -->
95<a class="el" href="classbdm_1_1object__ptr.html">object_ptr</a>&lt; T &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1object__ptr.html#a9c80da05b7b3dfc59333ca9bf6f62970">operator=</a> (const <a class="el" href="classbdm_1_1object__ptr.html">object_ptr</a>&lt; T &gt; &amp;other)</td></tr>
96<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Assignment operator. <br/></td></tr>
97<tr><td class="memItemLeft" align="right" valign="top">T *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#a37ebcfb6750dd7b5630f1d2354c07a96">get</a> ()</td></tr>
98<tr><td class="memItemLeft" align="right" valign="top">const T *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#afff45e4841b2921cd42ce0691f8c1196">get</a> () const </td></tr>
99<tr><td class="memItemLeft" align="right" valign="top">T *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#abcaae812868eacbad050beda465d2327">operator-&gt;</a> ()</td></tr>
100<tr><td class="memItemLeft" align="right" valign="top">const T *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#ad89ec7ceb318241d833c7d278444396d">operator-&gt;</a> () const </td></tr>
101<tr><td class="memItemLeft" align="right" valign="top">T &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#ade38de837267becf5eed2839fea42c45">operator*</a> ()</td></tr>
102<tr><td class="memItemLeft" align="right" valign="top">const T &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#ade000a72fe73804aa26962432f264800">operator*</a> () const </td></tr>
103<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a338dbc6aa9fd95175abdc2df3ae2c284"></a><!-- doxytag: member="bdm::object_ptr::unique" ref="a338dbc6aa9fd95175abdc2df3ae2c284" args="() const " -->
104bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#a338dbc6aa9fd95175abdc2df3ae2c284">unique</a> () const </td></tr>
105<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns <a class="el" href="classbdm_1_1shared__ptr.html#a8e52b8887a4408c52b5263a5717343f2">use_count()</a> == 1. <br/></td></tr>
106<tr><td class="memItemLeft" align="right" valign="top">long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#a8e52b8887a4408c52b5263a5717343f2">use_count</a> () const </td></tr>
107<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#a6cac71bb600f9f7c6fbed9335fd22d37">operator bool</a> () const </td></tr>
108<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Boolean cast.  <a href="#a6cac71bb600f9f7c6fbed9335fd22d37"></a><br/></td></tr>
109<tr><td class="memTemplParams" colspan="2">template&lt;typename U &gt; </td></tr>
110<tr><td class="memTemplItemLeft" align="right" valign="top">&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#ab3cd369b00369ab92456aa0645e8d560">operator shared_ptr&lt; const U &gt;</a> () const </td></tr>
111<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">const cast  <a href="#ab3cd369b00369ab92456aa0645e8d560"></a><br/></td></tr>
112<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afca7fd588f8de50e7590357305b00984"></a><!-- doxytag: member="bdm::object_ptr::swap" ref="afca7fd588f8de50e7590357305b00984" args="(shared_ptr &amp;other)" -->
113void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#afca7fd588f8de50e7590357305b00984">swap</a> (<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a> &amp;other)</td></tr>
114<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Efficient swap for <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a>. <br/></td></tr>
[472]115</table>
[591]116<hr/><h2>Constructor &amp; Destructor Documentation</h2>
117<a class="anchor" id="a9f1016ff2bbfa497d1cc0a4497c1fba4"></a><!-- doxytag: member="bdm::object_ptr::object_ptr" ref="a9f1016ff2bbfa497d1cc0a4497c1fba4" args="()" -->
[472]118<div class="memitem">
119<div class="memproto">
120<div class="memtemplate">
121template&lt;typename T&gt; </div>
122      <table class="memname">
123        <tr>
[591]124          <td class="memname"><a class="el" href="classbdm_1_1object__ptr.html">bdm::object_ptr</a>&lt; T &gt;::<a class="el" href="classbdm_1_1object__ptr.html">object_ptr</a> </td>
[472]125          <td>(</td>
[591]126          <td class="paramname"></td>
[472]127          <td>&nbsp;)&nbsp;</td>
128          <td><code> [inline]</code></td>
129        </tr>
130      </table>
131</div>
132<div class="memdoc">
133
[591]134<p>Default constructor. </p>
135<p>Calls T's default constructor. </p>
136
[472]137</div>
[591]138</div>
139<a class="anchor" id="adcb20017177c98274c16087b2c0067dc"></a><!-- doxytag: member="bdm::object_ptr::object_ptr" ref="adcb20017177c98274c16087b2c0067dc" args="(const shared_ptr&lt; T &gt; &amp;b)" -->
[472]140<div class="memitem">
141<div class="memproto">
142<div class="memtemplate">
143template&lt;typename T&gt; </div>
144      <table class="memname">
145        <tr>
[591]146          <td class="memname"><a class="el" href="classbdm_1_1object__ptr.html">bdm::object_ptr</a>&lt; T &gt;::<a class="el" href="classbdm_1_1object__ptr.html">object_ptr</a> </td>
[472]147          <td>(</td>
148          <td class="paramtype">const <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; T &gt; &amp;&nbsp;</td>
[591]149          <td class="paramname"> <em>b</em></td>
[472]150          <td>&nbsp;)&nbsp;</td>
151          <td><code> [inline]</code></td>
152        </tr>
153      </table>
154</div>
155<div class="memdoc">
156
[591]157<p>Upcast from shared_ptr&lt;T&gt; to object_ptr&lt;T&gt;. </p>
158<dl><dt><b>Parameters:</b></dt><dd>
[538]159  <table border="0" cellspacing="2" cellpadding="0">
160    <tr><td valign="top"></td><td valign="top"><em>b</em>&nbsp;</td><td>The shared pointer, which must not be empty. </td></tr>
161  </table>
[591]162  </dd>
[538]163</dl>
164
[591]165<p>References <a class="el" href="bdmerror_8h_source.html#l00047">bdm_assert_debug</a>.</p>
[590]166
[472]167</div>
[591]168</div>
169<a class="anchor" id="aa9eb00600d8640711eadeed98c7892e9"></a><!-- doxytag: member="bdm::object_ptr::object_ptr" ref="aa9eb00600d8640711eadeed98c7892e9" args="(T *p)" -->
[472]170<div class="memitem">
171<div class="memproto">
172<div class="memtemplate">
173template&lt;typename T&gt; </div>
174      <table class="memname">
175        <tr>
[591]176          <td class="memname"><a class="el" href="classbdm_1_1object__ptr.html">bdm::object_ptr</a>&lt; T &gt;::<a class="el" href="classbdm_1_1object__ptr.html">object_ptr</a> </td>
[472]177          <td>(</td>
[538]178          <td class="paramtype">T *&nbsp;</td>
[591]179          <td class="paramname"> <em>p</em></td>
[472]180          <td>&nbsp;)&nbsp;</td>
181          <td><code> [inline]</code></td>
182        </tr>
183      </table>
184</div>
185<div class="memdoc">
[591]186<p>Constructs an <a class="el" href="classbdm_1_1object__ptr.html" title="A wrapper of shared_ptr which is never empty.">object_ptr</a> that owns the pointer p. p must have been alllocated by new! </p>
[472]187
[591]188<p>References <a class="el" href="bdmerror_8h_source.html#l00047">bdm_assert_debug</a>.</p>
[590]189
[472]190</div>
[591]191</div>
192<hr/><h2>Member Function Documentation</h2>
193<a class="anchor" id="afff45e4841b2921cd42ce0691f8c1196"></a><!-- doxytag: member="bdm::object_ptr::get" ref="afff45e4841b2921cd42ce0691f8c1196" args="() const " -->
[472]194<div class="memitem">
195<div class="memproto">
[591]196<div class="memtemplate">
197template&lt;typename T&gt; </div>
[472]198      <table class="memname">
199        <tr>
[591]200          <td class="memname">const T* <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::get </td>
[472]201          <td>(</td>
[591]202          <td class="paramname"></td>
[472]203          <td>&nbsp;)&nbsp;</td>
[538]204          <td> const<code> [inline, inherited]</code></td>
[472]205        </tr>
206      </table>
207</div>
208<div class="memdoc">
[591]209<p>Returns the stored pointer (which remains owned by this instance). For empty instances, this method returns NULL. </p>
[472]210
211</div>
[591]212</div>
213<a class="anchor" id="a37ebcfb6750dd7b5630f1d2354c07a96"></a><!-- doxytag: member="bdm::object_ptr::get" ref="a37ebcfb6750dd7b5630f1d2354c07a96" args="()" -->
[472]214<div class="memitem">
215<div class="memproto">
[591]216<div class="memtemplate">
217template&lt;typename T&gt; </div>
[472]218      <table class="memname">
219        <tr>
[591]220          <td class="memname">T* <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::get </td>
[472]221          <td>(</td>
[591]222          <td class="paramname"></td>
[472]223          <td>&nbsp;)&nbsp;</td>
[538]224          <td><code> [inline, inherited]</code></td>
[472]225        </tr>
226      </table>
227</div>
228<div class="memdoc">
[591]229<p>Returns the stored pointer (which remains owned by this instance). For empty instances, this method returns NULL. </p>
[472]230
[632]231<p>Referenced by <a class="el" href="bdmbase_8cpp_source.html#l00375">bdm::mepdf::from_setting()</a>, <a class="el" href="bdmbase_8h_source.html#l00906">bdm::mepdf::mepdf()</a>, and <a class="el" href="kalman_8h_source.html#l00120">bdm::Kalman&lt; fsqmat &gt;::posterior()</a>.</p>
[591]232
[472]233</div>
[591]234</div>
235<a class="anchor" id="a6cac71bb600f9f7c6fbed9335fd22d37"></a><!-- doxytag: member="bdm::object_ptr::operator bool" ref="a6cac71bb600f9f7c6fbed9335fd22d37" args="() const " -->
[590]236<div class="memitem">
237<div class="memproto">
[591]238<div class="memtemplate">
239template&lt;typename T&gt; </div>
[590]240      <table class="memname">
241        <tr>
[591]242          <td class="memname"><a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator bool </td>
[590]243          <td>(</td>
[591]244          <td class="paramname"></td>
[590]245          <td>&nbsp;)&nbsp;</td>
246          <td> const<code> [inline, inherited]</code></td>
247        </tr>
248      </table>
249</div>
250<div class="memdoc">
251
[591]252<p>Boolean cast. </p>
253<p>This operator returns true if and only if the instance isn't empty. </p>
254
[590]255</div>
[591]256</div>
257<a class="anchor" id="ab3cd369b00369ab92456aa0645e8d560"></a><!-- doxytag: member="bdm::object_ptr::operator shared_ptr&lt; const U &gt;" ref="ab3cd369b00369ab92456aa0645e8d560" args="() const " -->
[590]258<div class="memitem">
259<div class="memproto">
[591]260<div class="memtemplate">
261template&lt;typename T&gt; </div>
262<div class="memtemplate">
263template&lt;typename U &gt; </div>
[590]264      <table class="memname">
265        <tr>
[591]266          <td class="memname"><a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; const U &gt; </td>
[590]267          <td>(</td>
[591]268          <td class="paramname"></td>
[590]269          <td>&nbsp;)&nbsp;</td>
270          <td> const<code> [inline, inherited]</code></td>
271        </tr>
272      </table>
273</div>
274<div class="memdoc">
275
[591]276<p>const cast </p>
277<p>Shared pointer to T can be converted to shared pointer to const T, just like T * can be converted to T const *. </p>
278
[590]279</div>
[591]280</div>
281<a class="anchor" id="ade000a72fe73804aa26962432f264800"></a><!-- doxytag: member="bdm::object_ptr::operator*" ref="ade000a72fe73804aa26962432f264800" args="() const " -->
[472]282<div class="memitem">
283<div class="memproto">
[591]284<div class="memtemplate">
285template&lt;typename T&gt; </div>
[472]286      <table class="memname">
287        <tr>
[591]288          <td class="memname">const T&amp; <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator* </td>
[472]289          <td>(</td>
[591]290          <td class="paramname"></td>
[472]291          <td>&nbsp;)&nbsp;</td>
[538]292          <td> const<code> [inline, inherited]</code></td>
[472]293        </tr>
294      </table>
295</div>
296<div class="memdoc">
[591]297<p>Returns a reference to the object pointed to by the stored pointer. This method may only be called when the stored pointer isn't NULL. </p>
[472]298
299</div>
[591]300</div>
301<a class="anchor" id="ade38de837267becf5eed2839fea42c45"></a><!-- doxytag: member="bdm::object_ptr::operator*" ref="ade38de837267becf5eed2839fea42c45" args="()" -->
[472]302<div class="memitem">
303<div class="memproto">
[591]304<div class="memtemplate">
305template&lt;typename T&gt; </div>
[472]306      <table class="memname">
307        <tr>
[591]308          <td class="memname">T&amp; <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator* </td>
[472]309          <td>(</td>
[591]310          <td class="paramname"></td>
[472]311          <td>&nbsp;)&nbsp;</td>
[538]312          <td><code> [inline, inherited]</code></td>
[472]313        </tr>
314      </table>
315</div>
316<div class="memdoc">
[591]317<p>Returns a reference to the object pointed to by the stored pointer. This method may only be called when the stored pointer isn't NULL. </p>
[472]318
319</div>
[591]320</div>
321<a class="anchor" id="ad89ec7ceb318241d833c7d278444396d"></a><!-- doxytag: member="bdm::object_ptr::operator&#45;&gt;" ref="ad89ec7ceb318241d833c7d278444396d" args="() const " -->
[472]322<div class="memitem">
323<div class="memproto">
[591]324<div class="memtemplate">
325template&lt;typename T&gt; </div>
[472]326      <table class="memname">
327        <tr>
[591]328          <td class="memname">const T* <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator-&gt; </td>
[472]329          <td>(</td>
[591]330          <td class="paramname"></td>
[472]331          <td>&nbsp;)&nbsp;</td>
[538]332          <td> const<code> [inline, inherited]</code></td>
[472]333        </tr>
334      </table>
335</div>
336<div class="memdoc">
[591]337<p>Returns the stored pointer (which remains owned by this instance). This method may only be called when the stored pointer isn't NULL. </p>
[472]338
339</div>
[591]340</div>
341<a class="anchor" id="abcaae812868eacbad050beda465d2327"></a><!-- doxytag: member="bdm::object_ptr::operator&#45;&gt;" ref="abcaae812868eacbad050beda465d2327" args="()" -->
[472]342<div class="memitem">
343<div class="memproto">
[591]344<div class="memtemplate">
345template&lt;typename T&gt; </div>
[472]346      <table class="memname">
347        <tr>
[591]348          <td class="memname">T* <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator-&gt; </td>
[472]349          <td>(</td>
[591]350          <td class="paramname"></td>
[472]351          <td>&nbsp;)&nbsp;</td>
[538]352          <td><code> [inline, inherited]</code></td>
[472]353        </tr>
354      </table>
355</div>
356<div class="memdoc">
[591]357<p>Dereferences the stored pointer (which remains owned by this instance). This method may only be called when the stored pointer isn't NULL. </p>
[472]358
359</div>
[591]360</div>
361<a class="anchor" id="a8e52b8887a4408c52b5263a5717343f2"></a><!-- doxytag: member="bdm::object_ptr::use_count" ref="a8e52b8887a4408c52b5263a5717343f2" args="() const " -->
[590]362<div class="memitem">
363<div class="memproto">
[591]364<div class="memtemplate">
365template&lt;typename T&gt; </div>
[590]366      <table class="memname">
367        <tr>
[591]368          <td class="memname">long <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::use_count </td>
[590]369          <td>(</td>
[591]370          <td class="paramname"></td>
[590]371          <td>&nbsp;)&nbsp;</td>
372          <td> const<code> [inline, inherited]</code></td>
373        </tr>
374      </table>
375</div>
376<div class="memdoc">
[591]377<p>Returns the number of <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a> instances (including this instance) that share ownership with this instance. For empty instances, this method returns 0. </p>
[590]378
379</div>
[472]380</div>
[591]381<hr/>The documentation for this class was generated from the following file:<ul>
382<li><a class="el" href="shared__ptr_8h_source.html">shared_ptr.h</a></li>
383</ul>
384</div>
[632]385<hr size="1"/><address style="text-align: right;"><small>Generated on Fri Sep 18 00:12:04 2009 for mixpp by&nbsp;
[472]386<a href="http://www.doxygen.org/index.html">
[591]387<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
[472]388</body>
389</html>
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