glib-random-numbers.html

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<td> A random number.
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<a name="id3052055"></a><h3>
<a name="g-rand-double"></a>g_rand_double ()</h3>
<a class="indexterm" name="id3052067"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gdouble">gdouble</a>             g_rand_double                       (<a class="link" href="glib-Random-Numbers.html#GRand">GRand</a> *rand_);</pre>
<p>
Returns the next random <a class="link" href="glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> from <em class="parameter"><code>rand_</code></em> equally distributed over
the range [0..1).</p>
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<td><p><span class="term"><em class="parameter"><code>rand_</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Random-Numbers.html#GRand"><span class="type">GRand</span></a>.
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> A random number.
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<a name="id3052148"></a><h3>
<a name="g-rand-double-range"></a>g_rand_double_range ()</h3>
<a class="indexterm" name="id3052161"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gdouble">gdouble</a>             g_rand_double_range                 (<a class="link" href="glib-Random-Numbers.html#GRand">GRand</a> *rand_,
                                                         <a class="link" href="glib-Basic-Types.html#gdouble">gdouble</a> begin,
                                                         <a class="link" href="glib-Basic-Types.html#gdouble">gdouble</a> end);</pre>
<p>
Returns the next random <a class="link" href="glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> from <em class="parameter"><code>rand_</code></em> equally distributed over
the range [<em class="parameter"><code>begin</code></em>..<em class="parameter"><code>end</code></em>).</p>
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<td><p><span class="term"><em class="parameter"><code>rand_</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="glib-Random-Numbers.html#GRand"><span class="type">GRand</span></a>.
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<td><p><span class="term"><em class="parameter"><code>begin</code></em>&#160;:</span></p></td>
<td> lower closed bound of the interval.
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<td><p><span class="term"><em class="parameter"><code>end</code></em>&#160;:</span></p></td>
<td> upper open bound of the interval.
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> A random number.
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<a name="id3052296"></a><h3>
<a name="g-random-set-seed"></a>g_random_set_seed ()</h3>
<a class="indexterm" name="id3052309"></a><pre class="programlisting">void                g_random_set_seed                   (<a class="link" href="glib-Basic-Types.html#guint32">guint32</a> seed);</pre>
<p>
Sets the seed for the global random number generator, which is used
by the <code class="function">g_random_*</code> functions, to <em class="parameter"><code>seed</code></em>.</p>
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<td><p><span class="term"><em class="parameter"><code>seed</code></em>&#160;:</span></p></td>
<td> a value to reinitialize the global random number generator.
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<a name="id3052371"></a><h3>
<a name="g-random-boolean"></a>g_random_boolean()</h3>
<a class="indexterm" name="id3052383"></a><pre class="programlisting">#define             g_random_boolean()</pre>
<p>
Returns a random <a class="link" href="glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>. This corresponds to a unbiased coin toss.
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td>a random <a class="link" href="glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>.


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<a name="id3052430"></a><h3>
<a name="g-random-int"></a>g_random_int ()</h3>
<a class="indexterm" name="id3052443"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#guint32">guint32</a>             g_random_int                        (void);</pre>
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Return a random <a class="link" href="glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> equally distributed over the range
[0..2^32-1].</p>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> A random number.
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<a name="id3052489"></a><h3>
<a name="g-random-int-range"></a>g_random_int_range ()</h3>
<a class="indexterm" name="id3052503"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint32">gint32</a>              g_random_int_range                  (<a class="link" href="glib-Basic-Types.html#gint32">gint32</a> begin,
                                                         <a class="link" href="glib-Basic-Types.html#gint32">gint32</a> end);</pre>
<p>
Returns a random <a class="link" href="glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> equally distributed over the range
[<em class="parameter"><code>begin</code></em>..<em class="parameter"><code>end</code></em>-1].</p>
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<td><p><span class="term"><em class="parameter"><code>begin</code></em>&#160;:</span></p></td>
<td> lower closed bound of the interval.
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<td><p><span class="term"><em class="parameter"><code>end</code></em>&#160;:</span></p></td>
<td> upper open bound of the interval.
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> A random number.
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<a name="id3052603"></a><h3>
<a name="g-random-double"></a>g_random_double ()</h3>
<a class="indexterm" name="id3052615"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gdouble">gdouble</a>             g_random_double                     (void);</pre>
<p>
Returns a random <a class="link" href="glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> equally distributed over the range [0..1).</p>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> A random number.
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<div class="refsect2" lang="en">
<a name="id3052661"></a><h3>
<a name="g-random-double-range"></a>g_random_double_range ()</h3>
<a class="indexterm" name="id3052675"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gdouble">gdouble</a>             g_random_double_range               (<a class="link" href="glib-Basic-Types.html#gdouble">gdouble</a> begin,
                                                         <a class="link" href="glib-Basic-Types.html#gdouble">gdouble</a> end);</pre>
<p>
Returns a random <a class="link" href="glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> equally distributed over the range [<em class="parameter"><code>begin</code></em>..<em class="parameter"><code>end</code></em>).</p>
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<td><p><span class="term"><em class="parameter"><code>begin</code></em>&#160;:</span></p></td>
<td> lower closed bound of the interval.
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<td><p><span class="term"><em class="parameter"><code>end</code></em>&#160;:</span></p></td>
<td> upper open bound of the interval.
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> A random number.
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<a name="id3052776"></a><div class="refsect2" lang="en"><a name="id3052777"></a></div>
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