GNU Radio 3.6.4.2 C++ API
gr_fir_ccc_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
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22 #ifndef INCLUDED_GR_FIR_CCC_SIMD_H
23 #define INCLUDED_GR_FIR_CCC_SIMD_H
24 
25 #include <gr_core_api.h>
26 #include <gr_fir_ccc_generic.h>
27 
28 /*!
29  * \brief common base class for SIMD versions of gr_fir_ccc
30  * \ingroup filter_primitive
31  *
32  * This base class handles alignment issues common to SSE and 3DNOW
33  * subclasses.
34  */
35 
37 {
38 protected:
39  typedef void (*ccomplex_dotprod_t)(const float *input,
40  const float *taps,
41  unsigned n_2_ccomplex_blocks,
42  float *result);
43 
44  /*!
45  * \p aligned_taps holds 4 copies of the coefficients preshifted
46  * by 0, 1, 2, or 3 floats to meet all possible input data alignments.
47  * This allows us to always fetch data and taps that are 128-bit aligned.
48  */
49  float *d_aligned_taps[4];
50 
51  ccomplex_dotprod_t d_ccomplex_dotprod; // fast dot product primitive
52 
53 public:
54 
55  // CREATORS
56  gr_fir_ccc_simd ();
57  gr_fir_ccc_simd (const std::vector<gr_complex> &taps);
58  ~gr_fir_ccc_simd ();
59 
60  // MANIPULATORS
61  virtual void set_taps (const std::vector<gr_complex> &taps);
62  virtual gr_complex filter (const gr_complex input[]);
63 };
64 
65 #endif
Concrete class for generic implementation of FIR with gr_complex input, gr_complex output and gr_comp...
Definition: gr_fir_ccc_generic.h:36
virtual void set_taps(const std::vector< gr_complex > &taps)
install new_taps as the current taps.
Definition: gr_fir_ccc.h:103
virtual gr_complex filter(const gr_complex input[])
compute a single output value.
#define GR_CORE_API
Definition: gr_core_api.h:30
ccomplex_dotprod_t d_ccomplex_dotprod
Definition: gr_fir_ccc_simd.h:51
std::complex< float > gr_complex
Definition: gr_complex.h:26
common base class for SIMD versions of gr_fir_cccThis base class handles alignment issues common to S...
Definition: gr_fir_ccc_simd.h:36
VOLK_API void(kern.name) _manual($kern.arglist_full
Call into a specific implementation given by name.
static const float taps[NSTEPS+1][NTAPS]
Definition: gnuradio-core/src/lib/filter/interpolator_taps.h:9