GNU Radio 3.6.4.1 C++ API
gr_fir_fff_altivec.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2008 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
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21 #ifndef INCLUDED_GR_FIR_FFF_ALTIVEC_H
22 #define INCLUDED_GR_FIR_FFF_ALTIVEC_H
23 
24 #include <gr_core_api.h>
25 #include <gr_fir_fff_generic.h>
26 
27 /*!
28  * \brief altivec version of gr_fir_fff
29  */
30 class GR_CORE_API gr_fir_fff_altivec : public gr_fir_fff_generic
31 {
32 protected:
33 
34  size_t d_naligned_taps; // number of taps (multiple of 4)
35  float *d_aligned_taps; // 16-byte aligned, and zero padded to multiple of 4
36 
37 public:
39  gr_fir_fff_altivec(const std::vector<float> &taps);
41 
42  virtual void set_taps (const std::vector<float> &taps);
43  virtual float filter (const float input[]);
44 };
45 
46 #endif /* INCLUDED_GR_FIR_FFF_ALTIVEC_H */