diff options
| author | Matt Ettus <matt@ettus.com> | 2015-11-09 15:52:54 -0800 |
|---|---|---|
| committer | Matt Ettus <matt@ettus.com> | 2015-11-09 15:52:54 -0800 |
| commit | 513426a62a4e6457385d5d78a307c658054d8098 (patch) | |
| tree | 31267014e74cf7e0a12cbb2a8fac89653e020b89 /gr-blocks/lib/magphase_to_complex_impl.cc | |
| parent | 51c0426a42f4775b0627a2a79f45b727a91a04c5 (diff) | |
Added bidirectional conversion between complex numbers and mag/phase
Diffstat (limited to 'gr-blocks/lib/magphase_to_complex_impl.cc')
| -rw-r--r-- | gr-blocks/lib/magphase_to_complex_impl.cc | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/gr-blocks/lib/magphase_to_complex_impl.cc b/gr-blocks/lib/magphase_to_complex_impl.cc new file mode 100644 index 0000000000..1c985f6835 --- /dev/null +++ b/gr-blocks/lib/magphase_to_complex_impl.cc @@ -0,0 +1,68 @@ +/* -*- c++ -*- */ +/* + * Copyright 2012,2015 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "magphase_to_complex_impl.h" +#include <gnuradio/io_signature.h> +#include <volk/volk.h> + +namespace gr { + namespace blocks { + + magphase_to_complex::sptr + magphase_to_complex::make(size_t vlen) + { + return gnuradio::get_initial_sptr + (new magphase_to_complex_impl(vlen)); + } + + magphase_to_complex_impl::magphase_to_complex_impl(size_t vlen) + : sync_block("magphase_to_complex", + io_signature::make(2, 2, sizeof(float)*vlen), + io_signature::make(1, 1, sizeof(gr_complex)*vlen)), + d_vlen(vlen) + { + const int alignment_multiple = + volk_get_alignment() / sizeof(float); + set_alignment(std::max(1,alignment_multiple)); + } + + int + magphase_to_complex_impl::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + float *mag = (float *)input_items[0]; + float *phase = (float *)input_items[1]; + gr_complex *out = (gr_complex *) output_items[0]; + + for (size_t j = 0; j < noutput_items*d_vlen; j++) + out[j] = gr_complex (mag[j]*cos(phase[j]),mag[j]*sin(phase[j])); + + return noutput_items; + } + + } /* namespace blocks */ +}/* namespace gr */ |