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    <compoundname>gr::fec::code::ldpc_G_matrix</compoundname>
    <basecompoundref refid="classgr_1_1fec_1_1code_1_1fec__mtrx" prot="public" virt="virtual">gr::fec::code::fec_mtrx</basecompoundref>
    <basecompoundref prot="public" virt="non-virtual">std::enable_shared_from_this&lt; ldpc_G_matrix &gt;</basecompoundref>
    <includes refid="ldpc__G__matrix_8h" local="no">gnuradio/fec/ldpc_G_matrix.h</includes>
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        <type>std::shared_ptr&lt; <ref refid="classgr_1_1fec_1_1code_1_1ldpc__G__matrix" kindref="compound">ldpc_G_matrix</ref> &gt;</type>
        <definition>typedef std::shared_ptr&lt;ldpc_G_matrix&gt; gr::fec::code::ldpc_G_matrix::sptr</definition>
        <argsstring></argsstring>
        <name>sptr</name>
        <qualifiedname>gr::fec::code::ldpc_G_matrix::sptr</qualifiedname>
        <briefdescription>
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        <definition>static sptr gr::fec::code::ldpc_G_matrix::make</definition>
        <argsstring>(const std::string filename)</argsstring>
        <name>make</name>
        <qualifiedname>gr::fec::code::ldpc_G_matrix::make</qualifiedname>
        <param>
          <type>const std::string</type>
          <declname>filename</declname>
        </param>
        <briefdescription>
<para>Constructor given alist file. </para>
        </briefdescription>
        <detaileddescription>
<para><orderedlist>
<listitem><para>Reads in the matrix from an alist file</para>
</listitem><listitem><para>Determines if the matrix format is G=[I P] or H=[P&apos; I]</para>
</listitem><listitem><para>Solves for G transpose (will be used during encoding)</para>
</listitem></orderedlist>
</para>
<para><parameterlist kind="param"><parameteritem>
<parameternamelist>
<parametername>filename</parametername>
</parameternamelist>
<parameterdescription>
<para>Name of an alist file to use. The alist format is described at: <ulink url="http://www.inference.phy.cam.ac.uk/mackay/codes/alist.html">http://www.inference.phy.cam.ac.uk/mackay/codes/alist.html</ulink> </para>
</parameterdescription>
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        <type>void</type>
        <definition>void gr::fec::code::ldpc_G_matrix::encode</definition>
        <argsstring>(unsigned char *outbuffer, const unsigned char *inbuffer) const override=0</argsstring>
        <name>encode</name>
        <qualifiedname>gr::fec::code::ldpc_G_matrix::encode</qualifiedname>
        <reimplements refid="classgr_1_1fec_1_1code_1_1fec__mtrx_1a99fc98a3111db62a49de8b25016e9e12">encode</reimplements>
        <param>
          <type>unsigned char *</type>
          <declname>outbuffer</declname>
        </param>
        <param>
          <type>const unsigned char *</type>
          <declname>inbuffer</declname>
        </param>
        <briefdescription>
<para>Encode <computeroutput>inbuffer</computeroutput> with LDPC H matrix into <computeroutput>outbuffer</computeroutput>. </para>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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        <type>void</type>
        <definition>void gr::fec::code::ldpc_G_matrix::decode</definition>
        <argsstring>(unsigned char *outbuffer, const float *inbuffer, unsigned int frame_size, unsigned int max_iterations) const override=0</argsstring>
        <name>decode</name>
        <qualifiedname>gr::fec::code::ldpc_G_matrix::decode</qualifiedname>
        <reimplements refid="classgr_1_1fec_1_1code_1_1fec__mtrx_1a240a4f0dc662411209b06807ce598307">decode</reimplements>
        <param>
          <type>unsigned char *</type>
          <declname>outbuffer</declname>
        </param>
        <param>
          <type>const float *</type>
          <declname>inbuffer</declname>
        </param>
        <param>
          <type>unsigned int</type>
          <declname>frame_size</declname>
        </param>
        <param>
          <type>unsigned int</type>
          <declname>max_iterations</declname>
        </param>
        <briefdescription>
<para>Decode <computeroutput>inbuffer</computeroutput> with LDPC H matrix into <computeroutput>outbuffer</computeroutput>. </para>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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        <type>unsigned int</type>
        <definition>unsigned int gr::fec::code::ldpc_G_matrix::n</definition>
        <argsstring>() const override=0</argsstring>
        <name>n</name>
        <qualifiedname>gr::fec::code::ldpc_G_matrix::n</qualifiedname>
        <reimplements refid="classgr_1_1fec_1_1code_1_1fec__mtrx_1a63c2ca3a14b109dae1b35a9efcb2ae9c">n</reimplements>
        <briefdescription>
<para>Get the codeword length n. </para>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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        <type>unsigned int</type>
        <definition>unsigned int gr::fec::code::ldpc_G_matrix::k</definition>
        <argsstring>() const override=0</argsstring>
        <name>k</name>
        <qualifiedname>gr::fec::code::ldpc_G_matrix::k</qualifiedname>
        <reimplements refid="classgr_1_1fec_1_1code_1_1fec__mtrx_1a4bb4a7dd985b43e43ef35a14628079cc">k</reimplements>
        <briefdescription>
<para>Get the information word length k. </para>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
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    <briefdescription>
<para>Class for storing H or G matrix. </para>
    </briefdescription>
    <detaileddescription>
<para>This class stores a matrix variable, specifically either a:</para>
<para>1) Generator matrix, G, in the standard format G = [I P], where I is an identity matrix and P is the parity submatrix.</para>
<para>or</para>
<para>2) Parity matrix, H, in the standard format H = [P&apos; I], where P&apos; is the transpose of the parity submatrix and I is an identity matrix.</para>
<para>This variable can used by the <ref refid="classgr_1_1fec_1_1code_1_1ldpc__gen__mtrx__encoder" kindref="compound">ldpc_gen_mtrx_encoder</ref> and <ref refid="classgr_1_1fec_1_1code_1_1ldpc__bit__flip__decoder" kindref="compound">ldpc_bit_flip_decoder</ref> classes. </para>
    </detaileddescription>
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        <label>gr::fec::code::fec_mtrx</label>
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        <childnode refid="3" relation="public-inheritance">
        </childnode>
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        <label>std::enable_shared_from_this&lt; ldpc_G_matrix &gt;</label>
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        </childnode>
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        <label>std::enable_shared_from_this&lt; ldpc_G_matrix &gt;</label>
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