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<b>QuantLib</b>::<a class="el" href="class_quant_lib_1_1_mersenne_twister_uniform_rng.html">MersenneTwisterUniformRng</a></div>
<h1>MersenneTwisterUniformRng Class Reference</h1><!-- doxytag: class="QuantLib::MersenneTwisterUniformRng" --><code>#include <ql/RandomNumbers/mt19937uniformrng.hpp></code>
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<a href="class_quant_lib_1_1_mersenne_twister_uniform_rng-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
Uniform random number generator.
<p>
Mersenne Twister random number generator of period 2**19937-1<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 compact><dt><b><a class="el" href="test.html#_test000107">Tests:</a></b></dt><dd>the correctness of the returned values is tested by checking them against known good results. </dd></dl>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d6ae312199547dfd98f3b79b89a036f0"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::sample_type" ref="d6ae312199547dfd98f3b79b89a036f0" args="" -->
typedef <a class="el" href="struct_quant_lib_1_1_sample.html">Sample</a>< <a class="el" href="group__types.html#g4bdf4bfe76b9ffa6fa64c47d8bfa0c78">Real</a> > </td><td class="memItemRight" valign="bottom"><b>sample_type</b></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_mersenne_twister_uniform_rng.html#ef3c88d0c299ac67776029d65f00617f">MersenneTwisterUniformRng</a> (unsigned long seed=0)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="46caedf21e71280f2aec10497d054cfc"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::MersenneTwisterUniformRng" ref="46caedf21e71280f2aec10497d054cfc" 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" nowrap 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#1dd1acca2b223c8da6c27cad720cfc7d">next</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="57e46443f5120e9967183e7f183635a7"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::nextInt32" ref="57e46443f5120e9967183e7f183635a7" args="() const" -->
unsigned long </td><td class="memItemRight" valign="bottom"><a class="el" href="class_quant_lib_1_1_mersenne_twister_uniform_rng.html#57e46443f5120e9967183e7f183635a7">nextInt32</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">return a random number on [0,0xffffffff]-interval <br></td></tr>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="ef3c88d0c299ac67776029d65f00617f"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::MersenneTwisterUniformRng" ref="ef3c88d0c299ac67776029d65f00617f" 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 width="100%"><code> [explicit]</code></td>
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<p>
if the given seed is 0, a random seed will be chosen based on clock()
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="1dd1acca2b223c8da6c27cad720cfc7d"></a><!-- doxytag: member="QuantLib::MersenneTwisterUniformRng::next" ref="1dd1acca2b223c8da6c27cad720cfc7d" args="() const" -->
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<td class="memname"><a class="el" href="struct_quant_lib_1_1_sample.html">sample_type</a> next </td>
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<td> ) </td>
<td width="100%"> const</td>
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returns a sample with weight 1.0 containing a random number on (0.0, 1.0)-real-interval
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