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<h1>arm_biquad_cas_df1_32x64_ins_q31 Struct Reference</h1> </div>
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<p>Instance structure for the high precision Q31 Biquad cascade filter.
<a href="#_details">More...</a></p>
<p><code>#include &lt;<a class="el" href="arm__math_8h_source.html">arm_math.h</a>&gt;</code></p>
<table class="memberdecls">
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Data Fields</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html#ad7cb9a9f5df8f4fcfc7a0b633672e574">numStages</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6">q63_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a4c899cdfaf2bb955323e93637bd662e0">pState</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a490462d6ebe0fecfb6acbf51bed22ecf">pCoeffs</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a8e9d58e8dba5aa3b2fc4f36d2ed07996">postShift</a></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Instance structure for the high precision Q31 Biquad cascade filter. </p>
<dl><dt><b>Examples: </b></dt><dd>
<p><a class="el" href="arm_graphic_equalizer_example_q31_8c-example.html#_a16">arm_graphic_equalizer_example_q31.c</a>.</p>
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<p>Definition at line <a class="el" href="arm__math_8h_source.html#l03539">3539</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
<hr/><h2>Field Documentation</h2>
<a class="anchor" id="ad7cb9a9f5df8f4fcfc7a0b633672e574"></a><!-- doxytag: member="arm_biquad_cas_df1_32x64_ins_q31::numStages" ref="ad7cb9a9f5df8f4fcfc7a0b633672e574" args="" -->
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<td class="memname">uint8_t <a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html#ad7cb9a9f5df8f4fcfc7a0b633672e574">arm_biquad_cas_df1_32x64_ins_q31::numStages</a></td>
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<p>number of 2nd order stages in the filter. Overall order is 2*numStages. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l03541">3541</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
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<a class="anchor" id="a4c899cdfaf2bb955323e93637bd662e0"></a><!-- doxytag: member="arm_biquad_cas_df1_32x64_ins_q31::pState" ref="a4c899cdfaf2bb955323e93637bd662e0" args="" -->
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<td class="memname"><a class="el" href="arm__math_8h.html#a5aea1cb12fc02d9d44c8abf217eaa5c6">q63_t</a>* <a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a4c899cdfaf2bb955323e93637bd662e0">arm_biquad_cas_df1_32x64_ins_q31::pState</a></td>
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<p>points to the array of state coefficients. The array is of length 4*numStages. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l03542">3542</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
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<a class="anchor" id="a490462d6ebe0fecfb6acbf51bed22ecf"></a><!-- doxytag: member="arm_biquad_cas_df1_32x64_ins_q31::pCoeffs" ref="a490462d6ebe0fecfb6acbf51bed22ecf" args="" -->
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<td class="memname"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>* <a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a490462d6ebe0fecfb6acbf51bed22ecf">arm_biquad_cas_df1_32x64_ins_q31::pCoeffs</a></td>
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<p>points to the array of coefficients. The array is of length 5*numStages. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l03543">3543</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
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<a class="anchor" id="a8e9d58e8dba5aa3b2fc4f36d2ed07996"></a><!-- doxytag: member="arm_biquad_cas_df1_32x64_ins_q31::postShift" ref="a8e9d58e8dba5aa3b2fc4f36d2ed07996" args="" -->
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<td class="memname">uint8_t <a class="el" href="structarm__biquad__cas__df1__32x64__ins__q31.html#a8e9d58e8dba5aa3b2fc4f36d2ed07996">arm_biquad_cas_df1_32x64_ins_q31::postShift</a></td>
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<p>additional shift, in bits, applied to each output sample. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l03544">3544</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="arm__math_8h_source.html">arm_math.h</a></li>
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