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| <h2 title="Class Well44497a" class="title">Class Well44497a</h2> |
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| <li><a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html" title="class in org.apache.commons.math3.random">org.apache.commons.math3.random.BitsStreamGenerator</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/commons/math3/random/AbstractWell.html" title="class in org.apache.commons.math3.random">org.apache.commons.math3.random.AbstractWell</a></li> |
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| <br> |
| <pre>public class <span class="strong">Well44497a</span> |
| extends <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html" title="class in org.apache.commons.math3.random">AbstractWell</a></pre> |
| <div class="block">This class implements the WELL44497a pseudo-random number generator |
| from François Panneton, Pierre L'Ecuyer and Makoto Matsumoto. |
| |
| <p>This generator is described in a paper by François Panneton, |
| Pierre L'Ecuyer and Makoto Matsumoto <a |
| href="http://www.iro.umontreal.ca/~lecuyer/myftp/papers/wellrng.pdf">Improved |
| Long-Period Generators Based on Linear Recurrences Modulo 2</a> ACM |
| Transactions on Mathematical Software, 32, 1 (2006). The errata for the paper |
| are in <a href="http://www.iro.umontreal.ca/~lecuyer/myftp/papers/wellrng-errata.txt">wellrng-errata.txt</a>.</p></div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>2.2</dd> |
| <dt><span class="strong">Version:</span></dt> |
| <dd>$Id: Well44497a.java 1416643 2012-12-03 19:37:14Z tn $</dd> |
| <dt><span class="strong">See Also:</span></dt><dd><a href="http://www.iro.umontreal.ca/~panneton/WELLRNG.html">WELL Random number generator</a>, |
| <a href="../../../../../serialized-form.html#org.apache.commons.math3.random.Well44497a">Serialized Form</a></dd></dl> |
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| <code><a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#i1">i1</a>, <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#i2">i2</a>, <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#i3">i3</a>, <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#index">index</a>, <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#iRm1">iRm1</a>, <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#iRm2">iRm2</a>, <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#v">v</a></code></li> |
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| <td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/random/Well44497a.html#Well44497a()">Well44497a</a></strong>()</code> |
| <div class="block">Creates a new random number generator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/random/Well44497a.html#Well44497a(int)">Well44497a</a></strong>(int seed)</code> |
| <div class="block">Creates a new random number generator using a single int seed.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/random/Well44497a.html#Well44497a(int[])">Well44497a</a></strong>(int[] seed)</code> |
| <div class="block">Creates a new random number generator using an int array seed.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/random/Well44497a.html#Well44497a(long)">Well44497a</a></strong>(long seed)</code> |
| <div class="block">Creates a new random number generator using a single long seed.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <td class="colFirst"><code>protected int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/Well44497a.html#next(int)">next</a></strong>(int bits)</code> |
| <div class="block">Generate next pseudorandom number.</div> |
| </td> |
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| <code><a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#setSeed(int)">setSeed</a>, <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#setSeed(int[])">setSeed</a>, <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#setSeed(long)">setSeed</a></code></li> |
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| <code><a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#clear()">clear</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextBoolean()">nextBoolean</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextBytes(byte[])">nextBytes</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextDouble()">nextDouble</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextFloat()">nextFloat</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextGaussian()">nextGaussian</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextInt()">nextInt</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextInt(int)">nextInt</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextLong()">nextLong</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextLong(long)">nextLong</a></code></li> |
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| <code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li> |
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| <h4>Well44497a</h4> |
| <pre>public Well44497a()</pre> |
| <div class="block">Creates a new random number generator. |
| <p>The instance is initialized using the current time as the |
| seed.</p></div> |
| </li> |
| </ul> |
| <a name="Well44497a(int)"> |
| <!-- --> |
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| <h4>Well44497a</h4> |
| <pre>public Well44497a(int seed)</pre> |
| <div class="block">Creates a new random number generator using a single int seed.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>seed</code> - the initial seed (32 bits integer)</dd></dl> |
| </li> |
| </ul> |
| <a name="Well44497a(int[])"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>Well44497a</h4> |
| <pre>public Well44497a(int[] seed)</pre> |
| <div class="block">Creates a new random number generator using an int array seed.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>seed</code> - the initial seed (32 bits integers array), if null |
| the seed of the generator will be related to the current time</dd></dl> |
| </li> |
| </ul> |
| <a name="Well44497a(long)"> |
| <!-- --> |
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| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>Well44497a</h4> |
| <pre>public Well44497a(long seed)</pre> |
| <div class="block">Creates a new random number generator using a single long seed.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>seed</code> - the initial seed (64 bits integer)</dd></dl> |
| </li> |
| </ul> |
| </li> |
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| <h4>next</h4> |
| <pre>protected int next(int bits)</pre> |
| <div class="block">Generate next pseudorandom number. |
| <p>This method is the core generation algorithm. It is used by all the |
| public generation methods for the various primitive types <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextBoolean()"><code>BitsStreamGenerator.nextBoolean()</code></a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextBytes(byte[])"><code>BitsStreamGenerator.nextBytes(byte[])</code></a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextDouble()"><code>BitsStreamGenerator.nextDouble()</code></a>, |
| <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextFloat()"><code>BitsStreamGenerator.nextFloat()</code></a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextGaussian()"><code>BitsStreamGenerator.nextGaussian()</code></a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextInt()"><code>BitsStreamGenerator.nextInt()</code></a>, |
| <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#next(int)"><code>BitsStreamGenerator.next(int)</code></a> and <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html#nextLong()"><code>BitsStreamGenerator.nextLong()</code></a>.</p></div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/apache/commons/math3/random/AbstractWell.html#next(int)">next</a></code> in class <code><a href="../../../../../org/apache/commons/math3/random/AbstractWell.html" title="class in org.apache.commons.math3.random">AbstractWell</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>bits</code> - number of random bits to produce</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>random bits generated</dd></dl> |
| </li> |
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