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<title>Random123-1.09: Philox Classes and Typedefs</title>
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<div class="tabs"><ul class="tablist"><li style="padding-left: 1.5em; font-weight: bold">Random123-1.09 Documentation</li></ul></div>
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<h1>Philox Classes and Typedefs</h1> </div>
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<div class="contents">
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="structr123_1_1Philox2x32__R.html">r123::Philox2x32_R< ROUNDS ></a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="structr123_1_1Philox2x64__R.html">r123::Philox2x64_R< ROUNDS ></a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="structr123_1_1Philox4x32__R.html">r123::Philox4x32_R< ROUNDS ></a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="structr123_1_1Philox4x64__R.html">r123::Philox4x64_R< ROUNDS ></a></td></tr>
<tr><td colspan="2"><h2><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef Philox2x32_R<br class="typebreak"/>
< philox2x32_rounds > </td><td class="memItemRight" valign="bottom"><a class="el" href="group__PhiloxNxW.html#ga81659a3ee5a1ca9e2e85c5d725a1ea4f">r123::Philox2x32</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef Philox2x64_R<br class="typebreak"/>
< philox2x64_rounds > </td><td class="memItemRight" valign="bottom"><a class="el" href="group__PhiloxNxW.html#ga616a669079ac25119353416c14d46426">r123::Philox2x64</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef Philox4x32_R<br class="typebreak"/>
< philox4x32_rounds > </td><td class="memItemRight" valign="bottom"><a class="el" href="group__PhiloxNxW.html#gaafd54060af05012db410034e3c0ecdc4">r123::Philox4x32</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef Philox4x64_R<br class="typebreak"/>
< philox4x64_rounds > </td><td class="memItemRight" valign="bottom"><a class="el" href="group__PhiloxNxW.html#ga7776f4d481b7c0ac00db70272a1c77f0">r123::Philox4x64</a></td></tr>
<tr><td colspan="2"><h2><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="group__PhiloxNxW.html#gae7443e1a57429154124943b6a7c0bd08">r123_enum_philox2x32</a> { <a class="el" href="group__PhiloxNxW.html#ggae7443e1a57429154124943b6a7c0bd08ad08568b592cd076441505eed926d929c">philox2x32_rounds</a> = 10
}</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="group__PhiloxNxW.html#ga67fd1bf4ed858d01663a7d6b219b97a2">r123_enum_philox4x32</a> { <a class="el" href="group__PhiloxNxW.html#gga67fd1bf4ed858d01663a7d6b219b97a2ac9dec73e096a7afb5d82f2388a7a5412">philox4x32_rounds</a> = 10
}</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="group__PhiloxNxW.html#gaca9df5cdadde758a63952daa97ddff91">r123_enum_philox2x64</a> { <a class="el" href="group__PhiloxNxW.html#ggaca9df5cdadde758a63952daa97ddff91ae15befbf8ae3f2e93d6e49ea9e05b636">philox2x64_rounds</a> = 10
}</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="group__PhiloxNxW.html#gaf603860d055cee96c75f6986641e9cad">r123_enum_philox4x64</a> { <a class="el" href="group__PhiloxNxW.html#ggaf603860d055cee96c75f6986641e9cada3407accddb6e873c1005a4ab2edcef67">philox4x64_rounds</a> = 10
}</td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>The PhiloxNxW classes export the member functions, typedefs and operator overloads required by a <a class="el" href="CBRNG.html">CBRNG</a> class.</p>
<p>As described in <a href="http://dl.acm.org/citation.cfm?doid=2063405"><em>Parallel Random Numbers: As Easy as 1, 2, 3</em> </a>. The Philox family of counter-based RNGs use integer multiplication, xor and permutation of W-bit words to scramble its N-word input key. Philox is a mnemonic for Product HI LO Xor). </p>
<hr/><h2>Typedef Documentation</h2>
<a class="anchor" id="ga81659a3ee5a1ca9e2e85c5d725a1ea4f"></a><!-- doxytag: member="r123::Philox2x32" ref="ga81659a3ee5a1ca9e2e85c5d725a1ea4f" args="" -->
<div class="memitem">
<div class="memproto">
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<td class="memname"><a class="el" href="structr123_1_1Philox2x32__R.html">r123::Philox2x32</a></td>
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</table>
</div>
<div class="memdoc">
<p>Philox2x32 is equivalent to Philox2x32_R<10>. With 10 rounds, Philox2x32 has a considerable safety margin over the minimum number of rounds with no known statistical flaws, but still has excellent performance. </p>
</div>
</div>
<a class="anchor" id="ga616a669079ac25119353416c14d46426"></a><!-- doxytag: member="r123::Philox2x64" ref="ga616a669079ac25119353416c14d46426" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname"><a class="el" href="structr123_1_1Philox2x64__R.html">r123::Philox2x64</a></td>
</tr>
</table>
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<div class="memdoc">
<p>Philox2x64 is equivalent to Philox2x64_R<10>. With 10 rounds, Philox2x64 has a considerable safety margin over the minimum number of rounds with no known statistical flaws, but still has excellent performance. </p>
</div>
</div>
<a class="anchor" id="gaafd54060af05012db410034e3c0ecdc4"></a><!-- doxytag: member="r123::Philox4x32" ref="gaafd54060af05012db410034e3c0ecdc4" args="" -->
<div class="memitem">
<div class="memproto">
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<td class="memname"><a class="el" href="structr123_1_1Philox4x32__R.html">r123::Philox4x32</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Philox4x32 is equivalent to Philox4x32_R<10>. With 10 rounds, Philox4x32 has a considerable safety margin over the minimum number of rounds with no known statistical flaws, but still has excellent performance. </p>
</div>
</div>
<a class="anchor" id="ga7776f4d481b7c0ac00db70272a1c77f0"></a><!-- doxytag: member="r123::Philox4x64" ref="ga7776f4d481b7c0ac00db70272a1c77f0" args="" -->
<div class="memitem">
<div class="memproto">
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<td class="memname"><a class="el" href="structr123_1_1Philox4x64__R.html">r123::Philox4x64</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Philox4x64 is equivalent to Philox4x64_R<10>. With 10 rounds, Philox4x64 has a considerable safety margin over the minimum number of rounds with no known statistical flaws, but still has excellent performance. </p>
</div>
</div>
<hr/><h2>Enumeration Type Documentation</h2>
<a class="anchor" id="gae7443e1a57429154124943b6a7c0bd08"></a><!-- doxytag: member="philox.h::r123_enum_philox2x32" ref="gae7443e1a57429154124943b6a7c0bd08" args="" -->
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<td class="memname">enum <a class="el" href="group__PhiloxNxW.html#gae7443e1a57429154124943b6a7c0bd08">r123_enum_philox2x32</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="ggae7443e1a57429154124943b6a7c0bd08ad08568b592cd076441505eed926d929c"></a><!-- doxytag: member="philox2x32_rounds" ref="ggae7443e1a57429154124943b6a7c0bd08ad08568b592cd076441505eed926d929c" args="" -->philox2x32_rounds</em> </td><td>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gaca9df5cdadde758a63952daa97ddff91"></a><!-- doxytag: member="philox.h::r123_enum_philox2x64" ref="gaca9df5cdadde758a63952daa97ddff91" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="group__PhiloxNxW.html#gaca9df5cdadde758a63952daa97ddff91">r123_enum_philox2x64</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="ggaca9df5cdadde758a63952daa97ddff91ae15befbf8ae3f2e93d6e49ea9e05b636"></a><!-- doxytag: member="philox2x64_rounds" ref="ggaca9df5cdadde758a63952daa97ddff91ae15befbf8ae3f2e93d6e49ea9e05b636" args="" -->philox2x64_rounds</em> </td><td>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga67fd1bf4ed858d01663a7d6b219b97a2"></a><!-- doxytag: member="philox.h::r123_enum_philox4x32" ref="ga67fd1bf4ed858d01663a7d6b219b97a2" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="group__PhiloxNxW.html#ga67fd1bf4ed858d01663a7d6b219b97a2">r123_enum_philox4x32</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="gga67fd1bf4ed858d01663a7d6b219b97a2ac9dec73e096a7afb5d82f2388a7a5412"></a><!-- doxytag: member="philox4x32_rounds" ref="gga67fd1bf4ed858d01663a7d6b219b97a2ac9dec73e096a7afb5d82f2388a7a5412" args="" -->philox4x32_rounds</em> </td><td>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gaf603860d055cee96c75f6986641e9cad"></a><!-- doxytag: member="philox.h::r123_enum_philox4x64" ref="gaf603860d055cee96c75f6986641e9cad" args="" -->
<div class="memitem">
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<td class="memname">enum <a class="el" href="group__PhiloxNxW.html#gaf603860d055cee96c75f6986641e9cad">r123_enum_philox4x64</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="ggaf603860d055cee96c75f6986641e9cada3407accddb6e873c1005a4ab2edcef67"></a><!-- doxytag: member="philox4x64_rounds" ref="ggaf603860d055cee96c75f6986641e9cada3407accddb6e873c1005a4ab2edcef67" args="" -->philox4x64_rounds</em> </td><td>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
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