diff options
| author | Andrej Rode <mail@andrejro.de> | 2018-02-22 13:28:01 +0100 |
|---|---|---|
| committer | Andrej Rode <mail@andrejro.de> | 2018-08-25 20:21:23 +0200 |
| commit | 1043222e0de551f00683a1cc9060f194adc4fc85 (patch) | |
| tree | 663d4157d907f391cbe8934d4c131b981f350ae3 /gr-blocks/lib/max_blk_impl.cc | |
| parent | aa844b050d5b658ab8d6961a3678251b65db7ce7 (diff) | |
blocks: replace gengen with C++ templates
Diffstat (limited to 'gr-blocks/lib/max_blk_impl.cc')
| -rw-r--r-- | gr-blocks/lib/max_blk_impl.cc | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/gr-blocks/lib/max_blk_impl.cc b/gr-blocks/lib/max_blk_impl.cc new file mode 100644 index 0000000000..eef6366804 --- /dev/null +++ b/gr-blocks/lib/max_blk_impl.cc @@ -0,0 +1,102 @@ +/* -*- c++ -*- */ +/* + * Copyright 2014,2015,2018 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 <max_blk_impl.h> +#include <gnuradio/io_signature.h> + +namespace gr { + namespace blocks { + + template <class T> + typename max_blk<T>::sptr + max_blk<T>::make(size_t vlen, size_t vlen_out) + { + return gnuradio::get_initial_sptr + (new max_blk_impl<T> (vlen,vlen_out)); + } + + template <class T> + max_blk_impl<T> ::max_blk_impl(size_t vlen, size_t vlen_out) + : sync_block("max_blk", + io_signature::make(1, -1, vlen*sizeof(T)), + io_signature::make(1, 1, vlen_out*sizeof(T))), + d_vlen(vlen), d_vlen_out(vlen_out) + { + assert((vlen_out == vlen) || (vlen_out == 1)); + } + + template <class T> + max_blk_impl<T> ::~max_blk_impl() + { + } + + template <class T> + int + max_blk_impl<T> ::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + T *optr = (T *)output_items[0]; + + int ninputs = input_items.size(); + + if(d_vlen_out == 1) + for(int i = 0; i < noutput_items; i++) { + T max = ((T *)input_items[0])[i*d_vlen]; + + for(int j = 0; j < (int)d_vlen; j++ ) { + for(int k = 0; k < ninputs; k++) { + if(((T *)input_items[k])[i*d_vlen + j] > max) { + max = ((T*)input_items[k])[i*d_vlen + j]; + } + } + } + + *optr++ = (T)max; + } + + else // vector mode output + for(size_t i = 0; i < (size_t)noutput_items * d_vlen_out; i++) { + T max = ((T *)input_items[0])[i]; + + for(int k = 1; k < ninputs; k++) { + if(((T *)input_items[k])[i] > max) { + max = ((T*)input_items[k])[i]; + } + } + + *optr++ = (T)max; + } + + return noutput_items; + } + +template class max_blk<std::int16_t>; +template class max_blk<std::int32_t>; +template class max_blk<float>; + } /* namespace blocks */ +} /* namespace gr */ |