Merged eb/gcell-wip2 rev 10130:10152 into trunk.

[debian/gnuradio] / gcell / src / lib / wrapper / spu / gcs_fft_1d_r2.c

diff --git a/gcell/src/lib/wrapper/spu/gcs_fft_1d_r2.c b/gcell/src/lib/wrapper/spu/gcs_fft_1d_r2.c
deleted file mode 100644 (file)
index 81e5dfd..0000000
--- a/gcell/src/lib/wrapper/spu/gcs_fft_1d_r2.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2008 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <gc_declare_proc.h>
-#include <libfft.h>
-#include <assert.h>
-
-/*
- * v is really vector complex<float>
- */
-static void
-conjugate_vector(vector float *v, int nelements)
-{
-  vector float k = {1, -1, 1, -1};
-  int i;
-  for (i = 0; i < nelements; i++)
-    v[i] *= k;
-}
-
-static void
-gcs_fwd_fft_1d_r2(const gc_job_direct_args_t *input,
-                 gc_job_direct_args_t *output __attribute__((unused)),
-                 const gc_job_ea_args_t *eaa)
-{
-  vector float *out = (vector float *) eaa->arg[0].ls_addr;    // complex
-  vector float *in = (vector float *) eaa->arg[1].ls_addr;     // complex
-  vector float *twiddle = (vector float *) eaa->arg[2].ls_addr;        // complex
-  vector float *window = (vector float *) eaa->arg[3].ls_addr; // float
-
-  int log2_fft_length = input->arg[0].u32;
-  int shift = input->arg[1].u32;       // non-zero if we should apply fftshift
-
-  if (eaa->arg[3].get_size){   // apply window
-    // FIXME pointwise multiply in *= window
-    assert(0);
-  }
-
-  fft_1d_r2(out, in, twiddle, log2_fft_length);
-
-  if (shift){
-    // FIXME apply "fftshift" to output data in-place
-    assert(0);
-  }
-}
-
-GC_DECLARE_PROC(gcs_fwd_fft_1d_r2, "fwd_fft_1d_r2");
-
-static void
-gcs_inv_fft_1d_r2(const gc_job_direct_args_t *input,
-                 gc_job_direct_args_t *output __attribute__((unused)),
-                 const gc_job_ea_args_t *eaa)
-{
-  vector float *out = (vector float *) eaa->arg[0].ls_addr;    // complex
-  vector float *in = (vector float *) eaa->arg[1].ls_addr;     // complex
-  vector float *twiddle = (vector float *) eaa->arg[2].ls_addr;        // complex
-  vector float *window = (vector float *) eaa->arg[3].ls_addr; // float
-
-  int log2_fft_length = input->arg[0].u32;
-  int shift = input->arg[1].u32;       // non-zero if we should apply fftshift
-
-  if (eaa->arg[3].get_size){   // apply window
-    // FIXME pointwise multiply in *= window
-    assert(0);
-  }
-
-  if (shift){
-    // FIXME apply "fftshift" to input data in-place
-    assert(0);
-  }
-
-  conjugate_vector(in, 1 << (log2_fft_length - 1));
-  fft_1d_r2(out, in, twiddle, log2_fft_length);
-  conjugate_vector(out, 1 << (log2_fft_length - 1));
-}
-
-GC_DECLARE_PROC(gcs_inv_fft_1d_r2, "inv_fft_1d_r2");