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<a href="#gst-plugins-base-libs-gstfloatcast.description" class="shortcut">Description</a>
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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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<a name="gst-plugins-base-libs-gstfloatcast.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <gst/floatcast/floatcast.h>
#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>
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<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>
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<a name="gst-plugins-base-libs-gstfloatcast.details"></a><h2>Details</h2>
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<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>
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<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>input value</td>
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<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>
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<col align="left" valign="top">
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<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>input value</td>
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