3 * Copyright 2008 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
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)
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.
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.
22 #include <gc_declare_proc.h>
26 gcs_fft_1d_r2(const gc_job_direct_args_t *input,
27 gc_job_direct_args_t *output __attribute__((unused)),
28 const gc_job_ea_args_t *eaa)
30 vector float *out = (vector float *) eaa->arg[0].ls_addr;
31 vector float *in = (vector float *) eaa->arg[1].ls_addr;
32 vector float *W = (vector float *) eaa->arg[2].ls_addr;
33 int log2_fft_length = input->arg[0].u32;
34 int forward = input->arg[1].u32; // non-zero if forward xform (FIXME use)
36 fft_1d_r2(out, in, W, log2_fft_length);
39 GC_DECLARE_PROC(gcs_fft_1d_r2, "fft_1d_r2");