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  <div class="section" id="rand48">
<h1>Rand48<a class="headerlink" href="#rand48" title="Permalink to this headline">¶</a></h1>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1">#include &lt;Imath/ImathRandom.h&gt;</span>
</pre></div>
</div>
<p>The <code class="docutils literal notranslate"><span class="pre">Rand48</span></code> class is a fast pseudo-random number generator based on
the C Standard Library functions erand48(), nrand48() &amp; company. It
generates a uniformly distributed sequence.</p>
<dl class="cpp class">
<dt id="_CPPv4N5Imath6Rand48E">
<span id="_CPPv3N5Imath6Rand48E"></span><span id="_CPPv2N5Imath6Rand48E"></span><span id="Imath::Rand48"></span><span class="target" id="class_imath_1_1_rand48"></span><em class="property">class </em><code class="sig-prename descclassname">Imath<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">Rand48</code><a class="headerlink" href="#_CPPv4N5Imath6Rand48E" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Random-number generator based on the C Standard Library functions erand48(), nrand48() &amp; company; generates a uniformly distributed sequence. </p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="cpp function">
<dt id="_CPPv4N5Imath6Rand486Rand48Em">
<span id="_CPPv3N5Imath6Rand486Rand48Em"></span><span id="_CPPv2N5Imath6Rand486Rand48Em"></span><span id="Imath::Rand48::Rand48__unsigned-l-i"></span><span class="target" id="class_imath_1_1_rand48_1a948f0e8ca75f5809fc66a50cd931fe1e"></span><em class="property">inline</em> <code class="sig-name descname">Rand48</code><span class="sig-paren">(</span>unsigned long int <em>seed</em> = 0<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5Imath6Rand486Rand48Em" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Constructor. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Rand484initEm">
<span id="_CPPv3N5Imath6Rand484initEm"></span><span id="_CPPv2N5Imath6Rand484initEm"></span><span id="Imath::Rand48::init__unsigned-l-i"></span><span class="target" id="class_imath_1_1_rand48_1a177478705579049afd6ed4e1aa27463b"></span><em class="property">inline</em> void <code class="sig-name descname">init</code><span class="sig-paren">(</span>unsigned long int <em>seed</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5Imath6Rand484initEm" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Re-initialize with a given seed. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Rand485nextbEv">
<span id="_CPPv3N5Imath6Rand485nextbEv"></span><span id="_CPPv2N5Imath6Rand485nextbEv"></span><span id="Imath::Rand48::nextb"></span><span class="target" id="class_imath_1_1_rand48_1a9268bc226cf75302d6f08222821cf0b5"></span><em class="property">inline</em> bool <code class="sig-name descname">nextb</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5Imath6Rand485nextbEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Get the next value in the sequence (range: [false, true]) </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Rand485nextiEv">
<span id="_CPPv3N5Imath6Rand485nextiEv"></span><span id="_CPPv2N5Imath6Rand485nextiEv"></span><span id="Imath::Rand48::nexti"></span><span class="target" id="class_imath_1_1_rand48_1adeb65e80b163d072201d1f3be80c0d6b"></span><em class="property">inline</em> long int <code class="sig-name descname">nexti</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5Imath6Rand485nextiEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Get the next value in the sequence (range: [0 … 0x7fffffff]) </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Rand485nextfEv">
<span id="_CPPv3N5Imath6Rand485nextfEv"></span><span id="_CPPv2N5Imath6Rand485nextfEv"></span><span id="Imath::Rand48::nextf"></span><span class="target" id="class_imath_1_1_rand48_1a02a13847cb278967a451dd5d6bd69d9d"></span><em class="property">inline</em> double <code class="sig-name descname">nextf</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5Imath6Rand485nextfEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Get the next value in the sequence (range: [0 … 1[) </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Rand485nextfEdd">
<span id="_CPPv3N5Imath6Rand485nextfEdd"></span><span id="_CPPv2N5Imath6Rand485nextfEdd"></span><span id="Imath::Rand48::nextf__double.double"></span><span class="target" id="class_imath_1_1_rand48_1a98129642cf931360f3819ed30131ad79"></span><em class="property">inline</em> double <code class="sig-name descname">nextf</code><span class="sig-paren">(</span>double <em>rangeMin</em>, double <em>rangeMax</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5Imath6Rand485nextfEdd" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Get the next value in the sequence (range [rangeMin … rangeMax[) </p>
</dd></dl>

</div>
</dd></dl>

</div>


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