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<title>MersenneTwisterUniformRng Class Reference</title>
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<p>Uniform random number generator.
<a href="class_quant_lib_1_1_mersenne_twister_uniform_rng.html#details">More...</a></p>
<p><code>#include <ql/math/randomnumbers/mt19937uniformrng.hpp></code></p>
<p><a href="class_quant_lib_1_1_mersenne_twister_uniform_rng-members.html">List of all members.</a></p>
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Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad6ae312199547dfd98f3b79b89a036f0"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::sample_type" ref="ad6ae312199547dfd98f3b79b89a036f0" args="" -->
typedef <a class="el" href="struct_quant_lib_1_1_sample.html">Sample</a>< <a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> > </td><td class="memItemRight" valign="bottom"><b>sample_type</b></td></tr>
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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_quant_lib_1_1_mersenne_twister_uniform_rng.html#aef3c88d0c299ac67776029d65f00617f">MersenneTwisterUniformRng</a> (unsigned long seed=0)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a46caedf21e71280f2aec10497d054cfc"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::MersenneTwisterUniformRng" ref="a46caedf21e71280f2aec10497d054cfc" args="(const std::vector< unsigned long > &seeds)" -->
 </td><td class="memItemRight" valign="bottom"><b>MersenneTwisterUniformRng</b> (const std::vector< unsigned long > &seeds)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_quant_lib_1_1_sample.html">sample_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_mersenne_twister_uniform_rng.html#aa348e1b433db27307b840e4a41684b34">next</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7a373094f55dbe4015ab0ccfe21c01de"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::nextReal" ref="a7a373094f55dbe4015ab0ccfe21c01de" args="() const " -->
<a class="el" href="group__types.html#ga4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_mersenne_twister_uniform_rng.html#a7a373094f55dbe4015ab0ccfe21c01de">nextReal</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">return a random number in the (0.0, 1.0)-interval <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae929c4400225267d39ac32d4bd99caf1"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::nextInt32" ref="ae929c4400225267d39ac32d4bd99caf1" args="() const " -->
unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_mersenne_twister_uniform_rng.html#ae929c4400225267d39ac32d4bd99caf1">nextInt32</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">return a random integer in the [0,0xffffffff]-interval <br/></td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Uniform random number generator. </p>
<p>Mersenne Twister random number generator of period 2**19937-1</p>
<p>For more details see <a href="http://www.math.keio.ac.jp/matumoto/emt.html">http://www.math.keio.ac.jp/matumoto/emt.html</a></p>
<dl class="test"><dt><b><a class="el" href="test.html#_test000054">Tests:</a></b></dt><dd>the correctness of the returned values is tested by checking them against known good results. </dd></dl>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="aef3c88d0c299ac67776029d65f00617f"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::MersenneTwisterUniformRng" ref="aef3c88d0c299ac67776029d65f00617f" args="(unsigned long seed=0)" -->
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<td class="memname"><a class="el" href="class_quant_lib_1_1_mersenne_twister_uniform_rng.html">MersenneTwisterUniformRng</a> </td>
<td>(</td>
<td class="paramtype">unsigned long </td>
<td class="paramname"><em>seed</em> = <code>0</code></td><td>)</td>
<td><code> [explicit]</code></td>
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<p>if the given seed is 0, a random seed will be chosen based on clock() </p>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="aa348e1b433db27307b840e4a41684b34"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::next" ref="aa348e1b433db27307b840e4a41684b34" args="() const " -->
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<td class="memname"><a class="el" href="struct_quant_lib_1_1_sample.html">sample_type</a> <a class="el" href="class_quant_lib_1_1_mersenne_twister_uniform_rng.html#aa348e1b433db27307b840e4a41684b34">next</a> </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>returns a sample with weight 1.0 containing a random number in the (0.0, 1.0) interval </p>
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