/* -*- c++ -*- */ /* * Copyright 2012 Free Software Foundation, Inc. * * This file is part of GNU Radio * * SPDX-License-Identifier: GPL-3.0-or-later * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "float_to_complex_impl.h" #include <gnuradio/io_signature.h> #include <volk/volk.h> namespace gr { namespace blocks { float_to_complex::sptr float_to_complex::make(size_t vlen) { return gnuradio::make_block_sptr<float_to_complex_impl>(vlen); } float_to_complex_impl::float_to_complex_impl(size_t vlen) : sync_block("float_to_complex", io_signature::make(1, 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 float_to_complex_impl::work(int noutput_items, gr_vector_const_void_star& input_items, gr_vector_void_star& output_items) { float* r = (float*)input_items[0]; gr_complex* out = (gr_complex*)output_items[0]; switch (input_items.size()) { case 1: for (size_t j = 0; j < noutput_items * d_vlen; j++) out[j] = gr_complex(r[j], 0); break; case 2: { // for (size_t j = 0; j < noutput_items*d_vlen; j++) // out[j] = gr_complex (r[j], i[j]); float* i = (float*)input_items[1]; volk_32f_x2_interleave_32fc(out, r, i, noutput_items * d_vlen); break; } default: assert(0); } return noutput_items; } } /* namespace blocks */ } /* namespace gr */