GNU Radio 3.6.4.2 C++ API
gr_fir_fcc_simd.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2002 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
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14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
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17  * You should have received a copy of the GNU General Public License
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22 #ifndef INCLUDED_GR_FIR_FCC_SIMD_H
23 #define INCLUDED_GR_FIR_FCC_SIMD_H
24 
25 #include <gr_core_api.h>
26 #include <gr_fir_fcc_generic.h>
27 
28 
29 /*!
30  * \brief common base class for SIMD versions of gr_fir_fcc
31  * \ingroup filter_primitive
32  *
33  * This base class handles alignment issues common to SSE and 3DNOW
34  * subclasses.
35  */
36 
38 {
39 protected:
40  typedef void (*fcomplex_dotprod_t)(const float *input,
41  const float *taps,
42  unsigned n_2_complex_blocks,
43  float *result);
44 
45  /*!
46  * \p aligned_taps holds 4 copies of the coefficients preshifted
47  * by 0, 1, 2, or 3 float pairs to meet all possible input data alignments.
48  * This allows us to always fetch data and taps that are 128-bit aligned.
49  */
50  float *d_aligned_taps[4];
51 
52  fcomplex_dotprod_t d_fcomplex_dotprod; // fast dot product primitive
53 
54 public:
55 
56  // CREATORS
57  gr_fir_fcc_simd ();
58  gr_fir_fcc_simd (const std::vector<gr_complex> &taps);
59  ~gr_fir_fcc_simd ();
60 
61  // MANIPULATORS
62  virtual void set_taps (const std::vector<gr_complex> &taps);
63  virtual gr_complex filter (const float input[]);
64 };
65 
66 #endif
#define GR_CORE_API
Definition: gr_core_api.h:30
std::complex< float > gr_complex
Definition: gr_complex.h:26
common base class for SIMD versions of gr_fir_fccThis base class handles alignment issues common to S...
Definition: gr_fir_fcc_simd.h:37
VOLK_API void(kern.name) _manual($kern.arglist_full
Call into a specific implementation given by name.
Concrete class for generic implementation of FIR with float input, gr_complex output and gr_complex t...
Definition: gr_fir_fcc_generic.h:36
virtual gr_complex filter(const float input[])
compute a single output value.
fcomplex_dotprod_t d_fcomplex_dotprod
Definition: gr_fir_fcc_simd.h:52
virtual void set_taps(const std::vector< gr_complex > &taps)
install new_taps as the current taps.
Definition: gr_fir_fcc.h:103
static const float taps[NSTEPS+1][NTAPS]
Definition: gnuradio-core/src/lib/filter/interpolator_taps.h:9