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<a href="#gst-plugins-base-libs-gstfloatcast.synopsis" class="shortcut">Top</a>
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                  <a href="#gst-plugins-base-libs-gstfloatcast.description" class="shortcut">Description</a>
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<a name="gst-plugins-base-libs-gstfloatcast"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstfloatcast.top_of_page"></a>gstfloatcast</span></h2>
<p>gstfloatcast — Floating point platform independence macros</p>
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<div class="refsynopsisdiv">
<a name="gst-plugins-base-libs-gstfloatcast.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;gst/floatcast/floatcast.h&gt;

#define             <a class="link" href="gst-plugins-base-libs-gstfloatcast.html#gst-cast-double" title="gst_cast_double()">gst_cast_double</a>                     (x)
#define             <a class="link" href="gst-plugins-base-libs-gstfloatcast.html#gst-cast-float" title="gst_cast_float()">gst_cast_float</a>                      (x)
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstfloatcast.description"></a><h2>Description</h2>
<p>
The floatcast.h header file contains a couple of convenience macros for
floating point numbers.
</p>
<p>
If you include this header, your application or library must link against
libm (for maths.h support).
</p>
<p>
For optimal results, your application's or library's build
system should check whether the C99 functions lrint and lrintf are supported
and define the preprocessor symbols HAVE_LRINT and HAVE_LRINTF if so.  If
you are using autoconf, you can do this by using the AC_C99_FUNC_LRINT and
AC_C99_FUNC_LRINTF checks in your configure.ac or configure.in file and
including your application's config.h header before you include floatcast.h.
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstfloatcast.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="gst-cast-double"></a><h3>gst_cast_double()</h3>
<pre class="programlisting">        #define gst_cast_double(x)      ((gint)lrint(x))
</pre>
<p>
Casts a 64-bit floating point value (double) to an integer without bias.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>input value</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-cast-float"></a><h3>gst_cast_float()</h3>
<pre class="programlisting">        #define gst_cast_float(x)       ((gint)lrintf(x))
</pre>
<p>
Casts a 32-bit floating point value (float) to an integer without bias.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>input value</td>
</tr></tbody>
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