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Diffstat (limited to 'gr-analog/include/analog/rotator.h')
-rw-r--r-- | gr-analog/include/analog/rotator.h | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/gr-analog/include/analog/rotator.h b/gr-analog/include/analog/rotator.h deleted file mode 100644 index ee3849eae..000000000 --- a/gr-analog/include/analog/rotator.h +++ /dev/null @@ -1,63 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2003,2008,2012 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3, or (at your option) - * any later version. - * - * GNU Radio is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GNU Radio; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ - -#ifndef _ANALOG_ROTATOR_H_ -#define _ANALOG_ROTATOR_H_ - -#include <analog/api.h> -#include <gr_complex.h> - -namespace gr { - namespace analog { - - class rotator - { - private: - gr_complex d_phase; - gr_complex d_phase_incr; - unsigned int d_counter; - - public: - rotator() : d_phase (1), d_phase_incr (1), d_counter(0) - { } - - void set_phase(gr_complex phase) { d_phase = phase / abs(phase); } - void set_phase_incr(gr_complex incr) { d_phase_incr = incr / abs(incr); } - - gr_complex rotate (gr_complex in) - { - d_counter++; - - gr_complex z = in * d_phase; // rotate in by phase - d_phase *= d_phase_incr; // incr our phase (complex mult == add phases) - - if((d_counter % 512) == 0) - d_phase /= abs(d_phase); // Normalize to ensure multiplication is rotation - - return z; - } - }; - - } /* namespace analog */ -} /* namespace gr */ - -#endif /* _ANALOG_ROTATOR_H_ */ |