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<h1>gr_fir_fsf_simd.h</h1> </div>
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<a href="gr__fir__fsf__simd_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright 2002 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00010"></a>00010 <span class="comment"> * any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span>
<a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef _GR_FIR_FSF_SIMD_H_</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define _GR_FIR_FSF_SIMD_H_</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <<a class="code" href="gr__fir__fsf__generic_8h.html">gr_fir_fsf_generic.h</a>></span>
<a name="l00026"></a>00026 <span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment">/*!</span>
<a name="l00028"></a>00028 <span class="comment"> * \brief common base class for SIMD versions of gr_fir_fsf</span>
<a name="l00029"></a>00029 <span class="comment"> * \ingroup filter_primitive</span>
<a name="l00030"></a>00030 <span class="comment"> *</span>
<a name="l00031"></a>00031 <span class="comment"> * This base class handles alignment issues common to SSE and 3DNOW</span>
<a name="l00032"></a>00032 <span class="comment"> * subclasses.</span>
<a name="l00033"></a>00033 <span class="comment"> */</span>
<a name="l00034"></a>00034
<a name="l00035"></a><a class="code" href="classgr__fir__fsf__simd.html">00035</a> <span class="keyword">class </span><a class="code" href="classgr__fir__fsf__simd.html" title="common base class for SIMD versions of gr_fir_fsfThis base class handles alignment issues common to S...">gr_fir_fsf_simd</a> : <span class="keyword">public</span> <a class="code" href="classgr__fir__fsf__generic.html" title="Concrete class for generic implementation of FIR with float input, short output and float taps...">gr_fir_fsf_generic</a>
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keyword">protected</span>:
<a name="l00038"></a><a class="code" href="classgr__fir__fsf__simd.html#af0585e56d7a55c28bd095262ce9833f7">00038</a> <span class="keyword">typedef</span> float (*<a class="code" href="classgr__fir__fsf__simd.html#af0585e56d7a55c28bd095262ce9833f7">float_dotprod_t</a>)(<span class="keyword">const</span> <span class="keywordtype">float</span> *input,
<a name="l00039"></a>00039 <span class="keyword">const</span> <span class="keywordtype">float</span> *<a class="code" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>,
<a name="l00040"></a>00040 <span class="keywordtype">unsigned</span> n_4_float_blocks);
<a name="l00041"></a>00041 <span class="comment"></span>
<a name="l00042"></a>00042 <span class="comment"> /*!</span>
<a name="l00043"></a>00043 <span class="comment"> * \p aligned_taps holds 4 copies of the coefficients preshifted</span>
<a name="l00044"></a>00044 <span class="comment"> * by 0, 1, 2, or 3 floats to meet all possible input data alignments.</span>
<a name="l00045"></a>00045 <span class="comment"> * This allows us to always fetch data and taps that are 128-bit aligned.</span>
<a name="l00046"></a>00046 <span class="comment"> */</span>
<a name="l00047"></a><a class="code" href="classgr__fir__fsf__simd.html#ad6155ccd8813f66870faba766d0e3b5c">00047</a> <span class="keywordtype">float</span> *<a class="code" href="classgr__fir__fsf__simd.html#ad6155ccd8813f66870faba766d0e3b5c">d_aligned_taps</a>[4];
<a name="l00048"></a>00048
<a name="l00049"></a><a class="code" href="classgr__fir__fsf__simd.html#ad656ca2d761e97a0c746913bc6c0d6f3">00049</a> <a class="code" href="classgr__fir__fsf__simd.html#af0585e56d7a55c28bd095262ce9833f7">float_dotprod_t</a> <a class="code" href="classgr__fir__fsf__simd.html#ad656ca2d761e97a0c746913bc6c0d6f3">d_float_dotprod</a>; <span class="comment">// fast dot product primitive</span>
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keyword">public</span>:
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="comment">// CREATORS</span>
<a name="l00054"></a>00054 <a class="code" href="classgr__fir__fsf__simd.html#ac164834831dc5e1c7fc9f093407ffb44">gr_fir_fsf_simd</a> ();
<a name="l00055"></a>00055 <a class="code" href="classgr__fir__fsf__simd.html#ac164834831dc5e1c7fc9f093407ffb44">gr_fir_fsf_simd</a> (<span class="keyword">const</span> <a class="code" href="classstd_1_1vector.html">std::vector<float></a> &<a class="code" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>);
<a name="l00056"></a>00056 <a class="code" href="classgr__fir__fsf__simd.html#a234d610431ed29c91adcccc2104f259e">~gr_fir_fsf_simd</a> ();
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">// MANIPULATORS</span>
<a name="l00059"></a>00059 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgr__fir__fsf__simd.html#a73c1e774c165feec6b4e16123d4d83b4" title="install new_taps as the current taps.">set_taps</a> (<span class="keyword">const</span> <a class="code" href="classstd_1_1vector.html">std::vector<float></a> &<a class="code" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>);
<a name="l00060"></a>00060 <span class="keyword">virtual</span> <span class="keywordtype">short</span> <a class="code" href="classgr__fir__fsf__simd.html#a9b221f60ff010490358eed5e39bc9673" title="compute a single output value.">filter</a> (<span class="keyword">const</span> <span class="keywordtype">float</span> input[]);
<a name="l00061"></a>00061 };
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="preprocessor">#endif</span>
</pre></div></div>
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