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| <div class="subTitle">org.apache.commons.math3.random</div> |
| <h2 title="Interface RandomGenerator" class="title">Interface RandomGenerator</h2> |
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| <div class="description"> |
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| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/commons/math3/random/AbstractRandomGenerator.html" title="class in org.apache.commons.math3.random">AbstractRandomGenerator</a>, <a href="../../../../../org/apache/commons/math3/random/AbstractWell.html" title="class in org.apache.commons.math3.random">AbstractWell</a>, <a href="../../../../../org/apache/commons/math3/random/BitsStreamGenerator.html" title="class in org.apache.commons.math3.random">BitsStreamGenerator</a>, <a href="../../../../../org/apache/commons/math3/random/ISAACRandom.html" title="class in org.apache.commons.math3.random">ISAACRandom</a>, <a href="../../../../../org/apache/commons/math3/random/JDKRandomGenerator.html" title="class in org.apache.commons.math3.random">JDKRandomGenerator</a>, <a href="../../../../../org/apache/commons/math3/random/MersenneTwister.html" title="class in org.apache.commons.math3.random">MersenneTwister</a>, <a href="../../../../../org/apache/commons/math3/random/RandomAdaptor.html" title="class in org.apache.commons.math3.random">RandomAdaptor</a>, <a href="../../../../../org/apache/commons/math3/random/SynchronizedRandomGenerator.html" title="class in org.apache.commons.math3.random">SynchronizedRandomGenerator</a>, <a href="../../../../../org/apache/commons/math3/random/Well1024a.html" title="class in org.apache.commons.math3.random">Well1024a</a>, <a href="../../../../../org/apache/commons/math3/random/Well19937a.html" title="class in org.apache.commons.math3.random">Well19937a</a>, <a href="../../../../../org/apache/commons/math3/random/Well19937c.html" title="class in org.apache.commons.math3.random">Well19937c</a>, <a href="../../../../../org/apache/commons/math3/random/Well44497a.html" title="class in org.apache.commons.math3.random">Well44497a</a>, <a href="../../../../../org/apache/commons/math3/random/Well44497b.html" title="class in org.apache.commons.math3.random">Well44497b</a>, <a href="../../../../../org/apache/commons/math3/random/Well512a.html" title="class in org.apache.commons.math3.random">Well512a</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public interface <span class="strong">RandomGenerator</span></pre> |
| <div class="block">Interface extracted from <code>java.util.Random</code>. This interface is |
| implemented by <a href="../../../../../org/apache/commons/math3/random/AbstractRandomGenerator.html" title="class in org.apache.commons.math3.random"><code>AbstractRandomGenerator</code></a>.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>1.1</dd> |
| <dt><span class="strong">Version:</span></dt> |
| <dd>$Id: RandomGenerator.java 1416643 2012-12-03 19:37:14Z tn $</dd></dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#nextBoolean()">nextBoolean</a></strong>()</code> |
| <div class="block">Returns the next pseudorandom, uniformly distributed |
| <code>boolean</code> value from this random number generator's |
| sequence.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#nextBytes(byte[])">nextBytes</a></strong>(byte[] bytes)</code> |
| <div class="block">Generates random bytes and places them into a user-supplied |
| byte array.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#nextDouble()">nextDouble</a></strong>()</code> |
| <div class="block">Returns the next pseudorandom, uniformly distributed |
| <code>double</code> value between <code>0.0</code> and |
| <code>1.0</code> from this random number generator's sequence.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#nextFloat()">nextFloat</a></strong>()</code> |
| <div class="block">Returns the next pseudorandom, uniformly distributed <code>float</code> |
| value between <code>0.0</code> and <code>1.0</code> from this random |
| number generator's sequence.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#nextGaussian()">nextGaussian</a></strong>()</code> |
| <div class="block">Returns the next pseudorandom, Gaussian ("normally") distributed |
| <code>double</code> value with mean <code>0.0</code> and standard |
| deviation <code>1.0</code> from this random number generator's sequence.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#nextInt()">nextInt</a></strong>()</code> |
| <div class="block">Returns the next pseudorandom, uniformly distributed <code>int</code> |
| value from this random number generator's sequence.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#nextInt(int)">nextInt</a></strong>(int n)</code> |
| <div class="block">Returns a pseudorandom, uniformly distributed <tt>int</tt> value |
| between 0 (inclusive) and the specified value (exclusive), drawn from |
| this random number generator's sequence.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#nextLong()">nextLong</a></strong>()</code> |
| <div class="block">Returns the next pseudorandom, uniformly distributed <code>long</code> |
| value from this random number generator's sequence.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#setSeed(int)">setSeed</a></strong>(int seed)</code> |
| <div class="block">Sets the seed of the underlying random number generator using an |
| <code>int</code> seed.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#setSeed(int[])">setSeed</a></strong>(int[] seed)</code> |
| <div class="block">Sets the seed of the underlying random number generator using an |
| <code>int</code> array seed.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomGenerator.html#setSeed(long)">setSeed</a></strong>(long seed)</code> |
| <div class="block">Sets the seed of the underlying random number generator using a |
| <code>long</code> seed.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method_detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="setSeed(int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setSeed</h4> |
| <pre>void setSeed(int seed)</pre> |
| <div class="block">Sets the seed of the underlying random number generator using an |
| <code>int</code> seed. |
| <p>Sequences of values generated starting with the same seeds |
| should be identical. |
| </p></div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>seed</code> - the seed value</dd></dl> |
| </li> |
| </ul> |
| <a name="setSeed(int[])"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setSeed</h4> |
| <pre>void setSeed(int[] seed)</pre> |
| <div class="block">Sets the seed of the underlying random number generator using an |
| <code>int</code> array seed. |
| <p>Sequences of values generated starting with the same seeds |
| should be identical. |
| </p></div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>seed</code> - the seed value</dd></dl> |
| </li> |
| </ul> |
| <a name="setSeed(long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setSeed</h4> |
| <pre>void setSeed(long seed)</pre> |
| <div class="block">Sets the seed of the underlying random number generator using a |
| <code>long</code> seed. |
| <p>Sequences of values generated starting with the same seeds |
| should be identical. |
| </p></div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>seed</code> - the seed value</dd></dl> |
| </li> |
| </ul> |
| <a name="nextBytes(byte[])"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nextBytes</h4> |
| <pre>void nextBytes(byte[] bytes)</pre> |
| <div class="block">Generates random bytes and places them into a user-supplied |
| byte array. The number of random bytes produced is equal to |
| the length of the byte array.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>bytes</code> - the non-null byte array in which to put the |
| random bytes</dd></dl> |
| </li> |
| </ul> |
| <a name="nextInt()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nextInt</h4> |
| <pre>int nextInt()</pre> |
| <div class="block">Returns the next pseudorandom, uniformly distributed <code>int</code> |
| value from this random number generator's sequence. |
| All 2<font size="-1"><sup>32</sup></font> possible <tt>int</tt> values |
| should be produced with (approximately) equal probability.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the next pseudorandom, uniformly distributed <code>int</code> |
| value from this random number generator's sequence</dd></dl> |
| </li> |
| </ul> |
| <a name="nextInt(int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nextInt</h4> |
| <pre>int nextInt(int n)</pre> |
| <div class="block">Returns a pseudorandom, uniformly distributed <tt>int</tt> value |
| between 0 (inclusive) and the specified value (exclusive), drawn from |
| this random number generator's sequence.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>n</code> - the bound on the random number to be returned. Must be |
| positive.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>a pseudorandom, uniformly distributed <tt>int</tt> |
| value between 0 (inclusive) and n (exclusive).</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if n is not positive.</dd></dl> |
| </li> |
| </ul> |
| <a name="nextLong()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nextLong</h4> |
| <pre>long nextLong()</pre> |
| <div class="block">Returns the next pseudorandom, uniformly distributed <code>long</code> |
| value from this random number generator's sequence. All |
| 2<font size="-1"><sup>64</sup></font> possible <tt>long</tt> values |
| should be produced with (approximately) equal probability.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the next pseudorandom, uniformly distributed <code>long</code> |
| value from this random number generator's sequence</dd></dl> |
| </li> |
| </ul> |
| <a name="nextBoolean()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nextBoolean</h4> |
| <pre>boolean nextBoolean()</pre> |
| <div class="block">Returns the next pseudorandom, uniformly distributed |
| <code>boolean</code> value from this random number generator's |
| sequence.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the next pseudorandom, uniformly distributed |
| <code>boolean</code> value from this random number generator's |
| sequence</dd></dl> |
| </li> |
| </ul> |
| <a name="nextFloat()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nextFloat</h4> |
| <pre>float nextFloat()</pre> |
| <div class="block">Returns the next pseudorandom, uniformly distributed <code>float</code> |
| value between <code>0.0</code> and <code>1.0</code> from this random |
| number generator's sequence.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the next pseudorandom, uniformly distributed <code>float</code> |
| value between <code>0.0</code> and <code>1.0</code> from this |
| random number generator's sequence</dd></dl> |
| </li> |
| </ul> |
| <a name="nextDouble()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>nextDouble</h4> |
| <pre>double nextDouble()</pre> |
| <div class="block">Returns the next pseudorandom, uniformly distributed |
| <code>double</code> value between <code>0.0</code> and |
| <code>1.0</code> from this random number generator's sequence.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the next pseudorandom, uniformly distributed |
| <code>double</code> value between <code>0.0</code> and |
| <code>1.0</code> from this random number generator's sequence</dd></dl> |
| </li> |
| </ul> |
| <a name="nextGaussian()"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>nextGaussian</h4> |
| <pre>double nextGaussian()</pre> |
| <div class="block">Returns the next pseudorandom, Gaussian ("normally") distributed |
| <code>double</code> value with mean <code>0.0</code> and standard |
| deviation <code>1.0</code> from this random number generator's sequence.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the next pseudorandom, Gaussian ("normally") distributed |
| <code>double</code> value with mean <code>0.0</code> and |
| standard deviation <code>1.0</code> from this random number |
| generator's sequence</dd></dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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