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<h1>KnuthUniformRng Class Reference</h1><!-- doxytag: class="QuantLib::KnuthUniformRng" --><code>#include <ql/math/randomnumbers/knuthuniformrng.hpp></code>
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<a href="class_quant_lib_1_1_knuth_uniform_rng-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
Uniform random number generator.
<p>
Random number generator by Knuth. For more details see Knuth, Seminumerical Algorithms, 3rd edition, Section 3.6. <dl class="note" compact><dt><b>Note:</b></dt><dd>This is <b>not</b> Knuth's original implementation which is available at <a href="http://www-cs-faculty.stanford.edu/~knuth/programs.html,">http://www-cs-faculty.stanford.edu/~knuth/programs.html,</a> but rather a slightly modified version wrapped in a C++ class. Such modifications did not affect the code but only the data structures used, which were converted to their standard C++ equivalents. </dd></dl>
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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::KnuthUniformRng::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_knuth_uniform_rng.html#b59db514c5c64ebd20105fd6eba4e0a2">KnuthUniformRng</a> (long seed=0)</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_knuth_uniform_rng.html#54d52bd9fcbf209b55759eaee7c151bb">next</a> () const </td></tr>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="b59db514c5c64ebd20105fd6eba4e0a2"></a><!-- doxytag: member="QuantLib::KnuthUniformRng::KnuthUniformRng" ref="b59db514c5c64ebd20105fd6eba4e0a2" args="(long seed=0)" -->
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<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"> <em>seed</em> = <code>0</code> </td>
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<td width="100%"><code> [explicit]</code></td>
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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="54d52bd9fcbf209b55759eaee7c151bb"></a><!-- doxytag: member="QuantLib::KnuthUniformRng::next" ref="54d52bd9fcbf209b55759eaee7c151bb" args="() const " -->
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<td class="memname"><a class="el" href="struct_quant_lib_1_1_sample.html">KnuthUniformRng::sample_type</a> next </td>
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<td width="100%"> const</td>
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returns a sample with weight 1.0 containing a random number uniformly chosen from (0.0,1.0)
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