libs/numeric/odeint/doc/html/boost/numeric/odeint/dense_output_r_idp32081840.html


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<title>Class template dense_output_runge_kutta&lt;Stepper, explicit_controlled_stepper_fsal_tag&gt;</title>
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<h2><span class="refentrytitle">Class template dense_output_runge_kutta&lt;Stepper, explicit_controlled_stepper_fsal_tag&gt;</span></h2>
<p>boost::numeric::odeint::dense_output_runge_kutta&lt;Stepper, explicit_controlled_stepper_fsal_tag&gt; &#8212; The class representing dense-output Runge-Kutta steppers with FSAL property. </p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../header/boost/numeric/odeint/stepper/dense_output_runge_kutta_hpp.html" title="Header &lt;boost/numeric/odeint/stepper/dense_output_runge_kutta.hpp&gt;">boost/numeric/odeint/stepper/dense_output_runge_kutta.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Stepper<span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="dense_output_r_idp32081840.html" title="Class template dense_output_runge_kutta&lt;Stepper, explicit_controlled_stepper_fsal_tag&gt;">dense_output_runge_kutta</a><span class="special">&lt;</span><span class="identifier">Stepper</span><span class="special">,</span> <span class="identifier">explicit_controlled_stepper_fsal_tag</span><span class="special">&gt;</span> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">Stepper</span>                               <a name="boost.numeric.odeint.dense_output_r_idp32081840.controlled_stepper_type"></a><span class="identifier">controlled_stepper_type</span><span class="special">;</span>  
  <span class="keyword">typedef</span> <span class="identifier">controlled_stepper_type</span><span class="special">::</span><span class="identifier">stepper_type</span> <a name="boost.numeric.odeint.dense_output_r_idp32081840.stepper_type"></a><span class="identifier">stepper_type</span><span class="special">;</span>             
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">state_type</span>              <a name="boost.numeric.odeint.dense_output_r_idp32081840.state_type"></a><span class="identifier">state_type</span><span class="special">;</span>               
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">wrapped_state_type</span>      <a name="boost.numeric.odeint.dense_output_r_idp32081840.wrapped_state_type"></a><span class="identifier">wrapped_state_type</span><span class="special">;</span>       
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">value_type</span>              <a name="boost.numeric.odeint.dense_output_r_idp32081840.value_type"></a><span class="identifier">value_type</span><span class="special">;</span>               
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">deriv_type</span>              <a name="boost.numeric.odeint.dense_output_r_idp32081840.deriv_type"></a><span class="identifier">deriv_type</span><span class="special">;</span>               
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">wrapped_deriv_type</span>      <a name="boost.numeric.odeint.dense_output_r_idp32081840.wrapped_deriv_type"></a><span class="identifier">wrapped_deriv_type</span><span class="special">;</span>       
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">time_type</span>               <a name="boost.numeric.odeint.dense_output_r_idp32081840.time_type"></a><span class="identifier">time_type</span><span class="special">;</span>                
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">algebra_type</span>            <a name="boost.numeric.odeint.dense_output_r_idp32081840.algebra_type"></a><span class="identifier">algebra_type</span><span class="special">;</span>             
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">operations_type</span>         <a name="boost.numeric.odeint.dense_output_r_idp32081840.operations_type"></a><span class="identifier">operations_type</span><span class="special">;</span>          
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">resizer_type</span>            <a name="boost.numeric.odeint.dense_output_r_idp32081840.resizer_type"></a><span class="identifier">resizer_type</span><span class="special">;</span>             
  <span class="keyword">typedef</span> <span class="identifier">dense_output_stepper_tag</span>              <a name="boost.numeric.odeint.dense_output_r_idp32081840.stepper_category"></a><span class="identifier">stepper_category</span><span class="special">;</span>         
  <span class="keyword">typedef</span> <span class="identifier">dense_output_runge_kutta</span><span class="special">&lt;</span> <span class="identifier">Stepper</span> <span class="special">&gt;</span>   <a name="boost.numeric.odeint.dense_output_r_idp32081840.dense_output_stepper_type"></a><span class="identifier">dense_output_stepper_type</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="dense_output_r_idp32081840.html#boost.numeric.odeint.dense_output_r_idp32081840construct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="dense_output_r_idp32081840.html#idp32124832-bb"><span class="identifier">dense_output_runge_kutta</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">controlled_stepper_type</span> <span class="special">&amp;</span> <span class="special">=</span> <span class="identifier">controlled_stepper_type</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="dense_output_r_idp32081840.html#idp32097456-bb">public member functions</a></span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateType<span class="special">&gt;</span> 
    <span class="keyword">void</span> <a class="link" href="dense_output_r_idp32081840.html#idp32098016-bb"><span class="identifier">initialize</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">StateType</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">time_type</span><span class="special">,</span> <span class="identifier">time_type</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> System<span class="special">&gt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special">&lt;</span> <span class="identifier">time_type</span><span class="special">,</span> <span class="identifier">time_type</span> <span class="special">&gt;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32101776-bb"><span class="identifier">do_step</span></a><span class="special">(</span><span class="identifier">System</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateOut<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="dense_output_r_idp32081840.html#idp32104176-bb"><span class="identifier">calc_state</span></a><span class="special">(</span><span class="identifier">time_type</span><span class="special">,</span> <span class="identifier">StateOut</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateOut<span class="special">&gt;</span> 
    <span class="keyword">void</span> <a class="link" href="dense_output_r_idp32081840.html#idp32107520-bb"><span class="identifier">calc_state</span></a><span class="special">(</span><span class="identifier">time_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">StateOut</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateIn<span class="special">&gt;</span> <span class="keyword">bool</span> <a class="link" href="dense_output_r_idp32081840.html#idp32110864-bb"><span class="identifier">resize</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">StateIn</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateType<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="dense_output_r_idp32081840.html#idp32113248-bb"><span class="identifier">adjust_size</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">StateType</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">state_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32115632-bb"><span class="identifier">current_state</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">time_type</span> <a class="link" href="dense_output_r_idp32081840.html#idp32117440-bb"><span class="identifier">current_time</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">state_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32119248-bb"><span class="identifier">previous_state</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">time_type</span> <a class="link" href="dense_output_r_idp32081840.html#idp32121056-bb"><span class="identifier">previous_time</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">time_type</span> <a class="link" href="dense_output_r_idp32081840.html#idp32122864-bb"><span class="identifier">current_time_step</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="dense_output_r_idp32081840.html#idp32126128-bb">private member functions</a></span>
  <span class="identifier">state_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32126704-bb"><span class="identifier">get_current_state</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">state_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32128240-bb"><span class="identifier">get_current_state</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">state_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32130048-bb"><span class="identifier">get_old_state</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">state_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32131584-bb"><span class="identifier">get_old_state</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">deriv_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32133392-bb"><span class="identifier">get_current_deriv</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">deriv_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32134928-bb"><span class="identifier">get_current_deriv</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">deriv_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32136736-bb"><span class="identifier">get_old_deriv</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">deriv_type</span> <span class="special">&amp;</span> <a class="link" href="dense_output_r_idp32081840.html#idp32138272-bb"><span class="identifier">get_old_deriv</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="dense_output_r_idp32081840.html#idp32140080-bb"><span class="identifier">toggle_current_state</span></a><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp110462304"></a><h2>Description</h2>
<p>The interface is the same as for <a class="link" href="dense_output_runge_kutta.html" title="Class template dense_output_runge_kutta">dense_output_runge_kutta&lt; Stepper , stepper_tag &gt;</a>. This class provides dense output functionality based on methods with step size controlled</p>
<p>
</p>
<div class="refsect2">
<a name="idp110464352"></a><h3>Template Parameters</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<pre class="literallayout"><span class="keyword">typename</span> Stepper</pre>
<p>The stepper type of the underlying algorithm. </p>
</li></ol></div>
</div>
<div class="refsect2">
<a name="idp110467472"></a><h3>
<a name="boost.numeric.odeint.dense_output_r_idp32081840construct-copy-destruct"></a><code class="computeroutput">dense_output_runge_kutta</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"><a name="idp32124832-bb"></a><span class="identifier">dense_output_runge_kutta</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">controlled_stepper_type</span> <span class="special">&amp;</span> stepper <span class="special">=</span> <span class="identifier">controlled_stepper_type</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre></li></ol></div>
</div>
<div class="refsect2">
<a name="idp110477920"></a><h3>
<a name="idp32097456-bb"></a><code class="computeroutput">dense_output_runge_kutta</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateType<span class="special">&gt;</span> 
  <span class="keyword">void</span> <a name="idp32098016-bb"></a><span class="identifier">initialize</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">StateType</span> <span class="special">&amp;</span> x0<span class="special">,</span> <span class="identifier">time_type</span> t0<span class="special">,</span> <span class="identifier">time_type</span> dt0<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> System<span class="special">&gt;</span> 
  <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special">&lt;</span> <span class="identifier">time_type</span><span class="special">,</span> <span class="identifier">time_type</span> <span class="special">&gt;</span> <a name="idp32101776-bb"></a><span class="identifier">do_step</span><span class="special">(</span><span class="identifier">System</span> system<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateOut<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idp32104176-bb"></a><span class="identifier">calc_state</span><span class="special">(</span><span class="identifier">time_type</span> t<span class="special">,</span> <span class="identifier">StateOut</span> <span class="special">&amp;</span> x<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateOut<span class="special">&gt;</span> 
  <span class="keyword">void</span> <a name="idp32107520-bb"></a><span class="identifier">calc_state</span><span class="special">(</span><span class="identifier">time_type</span> t<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">StateOut</span> <span class="special">&amp;</span> x<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateIn<span class="special">&gt;</span> <span class="keyword">bool</span> <a name="idp32110864-bb"></a><span class="identifier">resize</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">StateIn</span> <span class="special">&amp;</span> x<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> StateType<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idp32113248-bb"></a><span class="identifier">adjust_size</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">StateType</span> <span class="special">&amp;</span> x<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">state_type</span> <span class="special">&amp;</span> <a name="idp32115632-bb"></a><span class="identifier">current_state</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">time_type</span> <a name="idp32117440-bb"></a><span class="identifier">current_time</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">state_type</span> <span class="special">&amp;</span> <a name="idp32119248-bb"></a><span class="identifier">previous_state</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">time_type</span> <a name="idp32121056-bb"></a><span class="identifier">previous_time</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">time_type</span> <a name="idp32122864-bb"></a><span class="identifier">current_time_step</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="idp110573056"></a><h3>
<a name="idp32126128-bb"></a><code class="computeroutput">dense_output_runge_kutta</code> private member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="identifier">state_type</span> <span class="special">&amp;</span> <a name="idp32126704-bb"></a><span class="identifier">get_current_state</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">state_type</span> <span class="special">&amp;</span> <a name="idp32128240-bb"></a><span class="identifier">get_current_state</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">state_type</span> <span class="special">&amp;</span> <a name="idp32130048-bb"></a><span class="identifier">get_old_state</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">state_type</span> <span class="special">&amp;</span> <a name="idp32131584-bb"></a><span class="identifier">get_old_state</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">deriv_type</span> <span class="special">&amp;</span> <a name="idp32133392-bb"></a><span class="identifier">get_current_deriv</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">deriv_type</span> <span class="special">&amp;</span> <a name="idp32134928-bb"></a><span class="identifier">get_current_deriv</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">deriv_type</span> <span class="special">&amp;</span> <a name="idp32136736-bb"></a><span class="identifier">get_old_deriv</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">deriv_type</span> <span class="special">&amp;</span> <a name="idp32138272-bb"></a><span class="identifier">get_old_deriv</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idp32140080-bb"></a><span class="identifier">toggle_current_state</span><span class="special">(</span><span class="keyword">void</span><span class="special">)</span><span class="special">;</span></pre></li>
</ol></div>
</div>
</div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2009-2012 Karsten
      Ahnert and Mario Mulansky<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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