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<li class="navelem"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html">CHistogram</a> </li>
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<div class="summary">
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pub-static-methods">Static Public Member Functions</a> |
<a href="#pri-attribs">Private Attributes</a> </div>
<div class="headertitle">
<div class="title">mrpt::math::CHistogram Class Reference<div class="ingroups"><a class="el" href="group__mrpt__base__grp.html">[mrpt-base]</a></div></div> </div>
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<!-- doxytag: class="mrpt::math::CHistogram" --><hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>This class provides an easy way of computing histograms for unidimensional real valued variables. </p>
<p>Call "getHistogram" or "getHistogramNormalized" to retrieve the full list of bin positions & hit counts.</p>
<p>Example: </p>
<div class="fragment"><pre class="fragment"> <a class="code" href="classmrpt_1_1math_1_1_c_histogram.html#a7462c0b9ee4f0a0d4e18965d6dcec59a" title="Constructor On nBins<=0 or max<=min.">CHistogram</a> hist(0,100,10);
hist.add(86);
hist.add(7);
hist.add(45);
std::cout << hist.getBinCount(0) << std::endl; <span class="comment">// Result: "1"</span>
std::cout << hist.getBinRatio(0) << std::endl; <span class="comment">// Result: "0.33"</span>
</pre></div> </div>
<p><code>#include <<a class="el" href="_c_histogram_8h_source.html">mrpt/math/CHistogram.h</a>></code></p>
<p><a href="classmrpt_1_1math_1_1_c_histogram-members.html">List of all members.</a></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="classmrpt_1_1math_1_1_c_histogram.html#a7462c0b9ee4f0a0d4e18965d6dcec59a">CHistogram</a> (const double min, const double max, const size_t nBins)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On nBins<=0 or max<=min. </td></tr>
</table>
</dd>
</dl>
<a href="#a7462c0b9ee4f0a0d4e18965d6dcec59a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#af4694d4e938b10261f536239dacb0c23">clear</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Clear the histogram: <a href="#af4694d4e938b10261f536239dacb0c23"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#ac79b4b3c99e1e6bfbdeaf613278aeb15">add</a> (const double x)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add an element to the histogram. <a href="#ac79b4b3c99e1e6bfbdeaf613278aeb15"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template<typename Derived > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a643b3e9431e6edf89ae383c380205997">add</a> (const <a class="el" href="class_eigen_1_1_matrix_base.html">Eigen::MatrixBase</a>< Derived > &x)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add all the elements from a MRPT container to the histogram. <a href="#a643b3e9431e6edf89ae383c380205997"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#aabe3a238ce6c64fb04136158d206cf46">add</a> (const <a class="el" href="classstd_1_1vector.html">std::vector</a>< T > &x)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a499157eb29d68e120c7e132d6466e5b5">getBinCount</a> (const size_t index) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retuns the elements count into the selected bin index, where first one is 0. <a href="#a499157eb29d68e120c7e132d6466e5b5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a3c73f961d0d19bb6feb8c91da2128709">getBinRatio</a> (const size_t index) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retuns the ratio in [0,1] range for the selected bin index, where first one is 0. <a href="#a3c73f961d0d19bb6feb8c91da2128709"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a3bd8060b7ca9fa881d5a68a634804724">getHistogram</a> (<a class="el" href="namespacemrpt.html#a4a6aab2c98368ca6b554c04f8fe84cfb">vector_double</a> &x, <a class="el" href="namespacemrpt.html#a4a6aab2c98368ca6b554c04f8fe84cfb">vector_double</a> &hits) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the list of bin centers & hit counts. <a href="#a3bd8060b7ca9fa881d5a68a634804724"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a9df177095aa50ce1c3e05bc0152cca78">getHistogramNormalized</a> (<a class="el" href="namespacemrpt.html#a4a6aab2c98368ca6b554c04f8fe84cfb">vector_double</a> &x, <a class="el" href="namespacemrpt.html#a4a6aab2c98368ca6b554c04f8fe84cfb">vector_double</a> &hits) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the list of bin centers & hit counts, normalized such as the integral of the histogram, interpreted as a density PDF, amounts to 1. <a href="#a9df177095aa50ce1c3e05bc0152cca78"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classmrpt_1_1math_1_1_c_histogram.html">CHistogram</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a8931022cfda54ec20e289cc195328566">createWithFixedWidth</a> (double min, double max, double binWidth)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor with a fixed bin width. <a href="#a8931022cfda54ec20e289cc195328566"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pri-attribs"></a>
Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#abc718509888dac1c2065289618c69730">m_min</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#abaa56ac3a36b283c48a15a20afb1c7f4">m_max</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The histogram limits. <a href="#abaa56ac3a36b283c48a15a20afb1c7f4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a29c90373d2d13e2384e45edd48e020fb">m_binSizeInv</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">((max-min)/nBins)^-1 <a href="#a29c90373d2d13e2384e45edd48e020fb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classstd_1_1vector.html">std::vector</a>< size_t > </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#afa073ffa971f0a4c7b709591589745b4">m_bins</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The bins counter. <a href="#afa073ffa971f0a4c7b709591589745b4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a0c26aea9378681158821eb613d263649">m_count</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The total elements count. <a href="#a0c26aea9378681158821eb613d263649"></a><br/></td></tr>
</table>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a7462c0b9ee4f0a0d4e18965d6dcec59a"></a><!-- doxytag: member="mrpt::math::CHistogram::CHistogram" ref="a7462c0b9ee4f0a0d4e18965d6dcec59a" args="(const double min, const double max, const size_t nBins)" -->
<div class="memitem">
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<td class="memname">mrpt::math::CHistogram::CHistogram </td>
<td>(</td>
<td class="paramtype">const double </td>
<td class="paramname"><em>min</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const double </td>
<td class="paramname"><em>max</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const size_t </td>
<td class="paramname"><em>nBins</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Constructor </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On nBins<=0 or max<=min. </td></tr>
</table>
</dd>
</dl>
</p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="ac79b4b3c99e1e6bfbdeaf613278aeb15"></a><!-- doxytag: member="mrpt::math::CHistogram::add" ref="ac79b4b3c99e1e6bfbdeaf613278aeb15" args="(const double x)" -->
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<td class="memname">void mrpt::math::CHistogram::add </td>
<td>(</td>
<td class="paramtype">const double </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Add an element to the histogram. </p>
<p>If element is out of [min,max] it is ignored. </p>
<p>Referenced by <a class="el" href="_c_monte_carlo_8h_source.html#l00079">mrpt::math::CMonteCarlo::CStatisticalAnalyzer::getDistribution()</a>, and <a class="el" href="ops__containers_8h_source.html#l00072">mrpt::math::histogram()</a>.</p>
</div>
</div>
<a class="anchor" id="a643b3e9431e6edf89ae383c380205997"></a><!-- doxytag: member="mrpt::math::CHistogram::add" ref="a643b3e9431e6edf89ae383c380205997" args="(const Eigen::MatrixBase< Derived > &x)" -->
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<div class="memtemplate">
template<typename Derived > </div>
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<td class="memname">void mrpt::math::CHistogram::add </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_eigen_1_1_matrix_base.html">Eigen::MatrixBase</a>< Derived > & </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td><code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Add all the elements from a MRPT container to the histogram. </p>
<p>If an element is out of [min,max] it is ignored. </p>
<p>Definition at line <a class="el" href="_c_histogram_8h_source.html#l00088">88</a> of file <a class="el" href="_c_histogram_8h_source.html">CHistogram.h</a>.</p>
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</div>
<a class="anchor" id="aabe3a238ce6c64fb04136158d206cf46"></a><!-- doxytag: member="mrpt::math::CHistogram::add" ref="aabe3a238ce6c64fb04136158d206cf46" args="(const std::vector< T > &x)" -->
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template<typename T > </div>
<table class="memname">
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<td class="memname">void mrpt::math::CHistogram::add </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< T > & </td>
<td class="paramname"><em>x</em></td><td>)</td>
<td><code> [inline]</code></td>
</tr>
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<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
<p>Definition at line <a class="el" href="_c_histogram_8h_source.html#l00097">97</a> of file <a class="el" href="_c_histogram_8h_source.html">CHistogram.h</a>.</p>
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</div>
<a class="anchor" id="af4694d4e938b10261f536239dacb0c23"></a><!-- doxytag: member="mrpt::math::CHistogram::clear" ref="af4694d4e938b10261f536239dacb0c23" args="()" -->
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<td class="memname">void mrpt::math::CHistogram::clear </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
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<div class="memdoc">
<p>Clear the histogram: </p>
</div>
</div>
<a class="anchor" id="a8931022cfda54ec20e289cc195328566"></a><!-- doxytag: member="mrpt::math::CHistogram::createWithFixedWidth" ref="a8931022cfda54ec20e289cc195328566" args="(double min, double max, double binWidth)" -->
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<td class="memname">static <a class="el" href="classmrpt_1_1math_1_1_c_histogram.html">CHistogram</a> mrpt::math::CHistogram::createWithFixedWidth </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>min</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"><em>max</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"><em>binWidth</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Constructor with a fixed bin width. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On max<=min or width<=0 </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_c_histogram_8h_source.html#l00073">73</a> of file <a class="el" href="_c_histogram_8h_source.html">CHistogram.h</a>.</p>
<p>References <a class="el" href="mrpt__macros_8h_source.html#l00282">ASSERT_</a>.</p>
<p>Referenced by <a class="el" href="_c_monte_carlo_8h_source.html#l00079">mrpt::math::CMonteCarlo::CStatisticalAnalyzer::getDistribution()</a>.</p>
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</div>
<a class="anchor" id="a499157eb29d68e120c7e132d6466e5b5"></a><!-- doxytag: member="mrpt::math::CHistogram::getBinCount" ref="a499157eb29d68e120c7e132d6466e5b5" args="(const size_t index) const " -->
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<td class="memname">int mrpt::math::CHistogram::getBinCount </td>
<td>(</td>
<td class="paramtype">const size_t </td>
<td class="paramname"><em>index</em></td><td>)</td>
<td> const</td>
</tr>
</table>
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<p>Retuns the elements count into the selected bin index, where first one is 0. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On invalid index </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a3c73f961d0d19bb6feb8c91da2128709"></a><!-- doxytag: member="mrpt::math::CHistogram::getBinRatio" ref="a3c73f961d0d19bb6feb8c91da2128709" args="(const size_t index) const " -->
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<td class="memname">double mrpt::math::CHistogram::getBinRatio </td>
<td>(</td>
<td class="paramtype">const size_t </td>
<td class="paramname"><em>index</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Retuns the ratio in [0,1] range for the selected bin index, where first one is 0. </p>
<p>It returns 0 if no elements have been added. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On invalid index. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a3bd8060b7ca9fa881d5a68a634804724"></a><!-- doxytag: member="mrpt::math::CHistogram::getHistogram" ref="a3bd8060b7ca9fa881d5a68a634804724" args="(vector_double &x, vector_double &hits) const " -->
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<td class="memname">void mrpt::math::CHistogram::getHistogram </td>
<td>(</td>
<td class="paramtype"><a class="el" href="namespacemrpt.html#a4a6aab2c98368ca6b554c04f8fe84cfb">vector_double</a> & </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespacemrpt.html#a4a6aab2c98368ca6b554c04f8fe84cfb">vector_double</a> & </td>
<td class="paramname"><em>hits</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
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<p>Returns the list of bin centers & hit counts. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a9df177095aa50ce1c3e05bc0152cca78" title="Returns the list of bin centers & hit counts, normalized such as the integral of the histogram...">getHistogramNormalized</a> </dd></dl>
<p>Referenced by <a class="el" href="ops__containers_8h_source.html#l00072">mrpt::math::histogram()</a>.</p>
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<td class="memname">void mrpt::math::CHistogram::getHistogramNormalized </td>
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<td class="paramtype"><a class="el" href="namespacemrpt.html#a4a6aab2c98368ca6b554c04f8fe84cfb">vector_double</a> & </td>
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<p>Returns the list of bin centers & hit counts, normalized such as the integral of the histogram, interpreted as a density PDF, amounts to 1. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a3bd8060b7ca9fa881d5a68a634804724" title="Returns the list of bin centers & hit counts.">getHistogram</a> </dd></dl>
<p>Referenced by <a class="el" href="ops__containers_8h_source.html#l00072">mrpt::math::histogram()</a>.</p>
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<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="afa073ffa971f0a4c7b709591589745b4"></a><!-- doxytag: member="mrpt::math::CHistogram::m_bins" ref="afa073ffa971f0a4c7b709591589745b4" args="" -->
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<td class="memname"><a class="el" href="classstd_1_1vector.html">std::vector</a><size_t> <a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#afa073ffa971f0a4c7b709591589745b4">mrpt::math::CHistogram::m_bins</a><code> [private]</code></td>
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<p>The bins counter. </p>
<p>Definition at line <a class="el" href="_c_histogram_8h_source.html#l00061">61</a> of file <a class="el" href="_c_histogram_8h_source.html">CHistogram.h</a>.</p>
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<a class="anchor" id="a29c90373d2d13e2384e45edd48e020fb"></a><!-- doxytag: member="mrpt::math::CHistogram::m_binSizeInv" ref="a29c90373d2d13e2384e45edd48e020fb" args="" -->
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<td class="memname">double <a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a29c90373d2d13e2384e45edd48e020fb">mrpt::math::CHistogram::m_binSizeInv</a><code> [private]</code></td>
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<p>((max-min)/nBins)^-1 </p>
<p>Definition at line <a class="el" href="_c_histogram_8h_source.html#l00060">60</a> of file <a class="el" href="_c_histogram_8h_source.html">CHistogram.h</a>.</p>
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<a class="anchor" id="a0c26aea9378681158821eb613d263649"></a><!-- doxytag: member="mrpt::math::CHistogram::m_count" ref="a0c26aea9378681158821eb613d263649" args="" -->
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<td class="memname">size_t <a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#a0c26aea9378681158821eb613d263649">mrpt::math::CHistogram::m_count</a><code> [private]</code></td>
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<p>The total elements count. </p>
<p>Definition at line <a class="el" href="_c_histogram_8h_source.html#l00062">62</a> of file <a class="el" href="_c_histogram_8h_source.html">CHistogram.h</a>.</p>
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<a class="anchor" id="abaa56ac3a36b283c48a15a20afb1c7f4"></a><!-- doxytag: member="mrpt::math::CHistogram::m_max" ref="abaa56ac3a36b283c48a15a20afb1c7f4" args="" -->
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<td class="memname">double <a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#abaa56ac3a36b283c48a15a20afb1c7f4">mrpt::math::CHistogram::m_max</a><code> [private]</code></td>
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<p>The histogram limits. </p>
<p>Definition at line <a class="el" href="_c_histogram_8h_source.html#l00059">59</a> of file <a class="el" href="_c_histogram_8h_source.html">CHistogram.h</a>.</p>
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<a class="anchor" id="abc718509888dac1c2065289618c69730"></a><!-- doxytag: member="mrpt::math::CHistogram::m_min" ref="abc718509888dac1c2065289618c69730" args="" -->
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<td class="memname">double <a class="el" href="classmrpt_1_1math_1_1_c_histogram.html#abc718509888dac1c2065289618c69730">mrpt::math::CHistogram::m_min</a><code> [private]</code></td>
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<p>Definition at line <a class="el" href="_c_histogram_8h_source.html#l00059">59</a> of file <a class="el" href="_c_histogram_8h_source.html">CHistogram.h</a>.</p>
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<br><hr><br> <table border="0" width="100%"> <tr> <td> Page generated by <a href="http://www.doxygen.org" target="_blank">Doxygen 1.7.5</a> for MRPT 0.9.5 SVN: at Sun Sep 25 17:20:18 UTC 2011</td><td></td> <td width="100"> </td> <td width="150"> </td></tr> </table> </body></html>
