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    <compoundname>misc</compoundname>
    <title>Miscellaneous</title>
    <innerclass refid="classgr_1_1fxpt" prot="public">gr::fxpt</innerclass>
    <innerclass refid="classgr_1_1fxpt__nco" prot="public">gr::fxpt_nco</innerclass>
    <innerclass refid="classgr_1_1fxpt__vco" prot="public">gr::fxpt_vco</innerclass>
    <innerclass refid="classgr_1_1message" prot="public">gr::message</innerclass>
    <innerclass refid="classgr_1_1msg__queue" prot="public">gr::msg_queue</innerclass>
    <innerclass refid="classgr_1_1nco" prot="public">gr::nco</innerclass>
    <innerclass refid="classgr_1_1prefs" prot="public">gr::prefs</innerclass>
    <innerclass refid="classgr_1_1blocks_1_1lfsr__15__1__0" prot="public">gr::blocks::lfsr_15_1_0</innerclass>
    <innerclass refid="classgr_1_1blocks_1_1lfsr__32k" prot="public">gr::blocks::lfsr_32k</innerclass>
    <innerclass refid="classgr_1_1digital_1_1lfsr" prot="public">gr::digital::lfsr</innerclass>
    <innerclass refid="structgr_1_1fft_1_1fft__inbuf" prot="public">gr::fft::fft_inbuf</innerclass>
    <innerclass refid="classgr_1_1fft_1_1goertzel" prot="public">gr::fft::goertzel</innerclass>
    <innerclass refid="classgr_1_1wavelet_1_1squash__ff" prot="public">gr::wavelet::squash_ff</innerclass>
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        <type><ref refid="gnuradio-runtime_2include_2gnuradio_2api_8h_1a0e21de31348d61429c7041fa776dc934" kindref="member">GR_RUNTIME_API</ref> float</type>
        <definition>GR_RUNTIME_API float gr::fast_atan2f</definition>
        <argsstring>(float y, float x)</argsstring>
        <name>fast_atan2f</name>
        <qualifiedname>gr::fast_atan2f</qualifiedname>
        <param>
          <type>float</type>
          <declname>y</declname>
        </param>
        <param>
          <type>float</type>
          <declname>x</declname>
        </param>
        <briefdescription>
<para>Fast arc tangent using table lookup and linear interpolation. </para>
        </briefdescription>
        <detaileddescription>
<para><parameterlist kind="param"><parameteritem>
<parameternamelist>
<parametername>y</parametername>
</parameternamelist>
<parameterdescription>
<para>component of input vector </para>
</parameterdescription>
</parameteritem>
<parameteritem>
<parameternamelist>
<parametername>x</parametername>
</parameternamelist>
<parameterdescription>
<para>component of input vector </para>
</parameterdescription>
</parameteritem>
</parameterlist>
<simplesect kind="return"><para>float angle angle of vector (x, y) in radians</para>
</simplesect>
This function calculates the angle of the vector (x,y) based on a table lookup and linear interpolation. The table uses a 256 point table covering -45 to +45 degrees and uses symmetry to determine the final angle value in the range of -180 to 180 degrees. Note that this function uses the small angle approximation for values close to zero. This routine calculates the arc tangent with an average error of +/- 0.045 degrees. </para>
        </detaileddescription>
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        <definition>GR_RUNTIME_API rt_status_t gr::enable_realtime_scheduling</definition>
        <argsstring>()</argsstring>
        <name>enable_realtime_scheduling</name>
        <qualifiedname>gr::enable_realtime_scheduling</qualifiedname>
        <briefdescription>
<para>If possible, enable high-priority &quot;real time&quot; scheduling. </para>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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