GNU Radio 3.6.4.1 C++ API
gr_fir_fff_simd.h
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/* -*- c++ -*- */
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/*
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* Copyright 2002 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_FIR_FFF_SIMD_H
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#define INCLUDED_GR_FIR_FFF_SIMD_H
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#include <
gr_core_api.h
>
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#include <gr_fir_fff_generic.h>
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/*!
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* \brief common base class for SIMD versions of gr_fir_fff
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* \ingroup filter_primitive
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*
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* This base class handles alignment issues common to SSE and 3DNOW
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* subclasses.
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*/
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class
GR_CORE_API
gr_fir_fff_simd
:
public
gr_fir_fff_generic
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{
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protected
:
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typedef
float (*float_dotprod_t)(
const
float
*input,
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const
float
*
taps
,
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unsigned
n_4_float_blocks);
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/*!
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* \p aligned_taps holds 4 copies of the coefficients preshifted
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* by 0, 1, 2, or 3 floats to meet all possible input data alignments.
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* This allows us to always fetch data and taps that are 128-bit aligned.
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*/
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float
*d_aligned_taps[4];
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float_dotprod_t
d_float_dotprod
;
// fast dot product primitive
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public
:
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// CREATORS
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gr_fir_fff_simd
();
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gr_fir_fff_simd
(
const
std::vector<float> &
taps
);
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~
gr_fir_fff_simd
();
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// MANIPULATORS
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virtual
void
set_taps (
const
std::vector<float> &
taps
);
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virtual
float
filter (
const
float
input[]);
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};
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#endif
gnuradio
gnuradio-core
src
lib
filter
gr_fir_fff_simd.h
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