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authorMatthias (think) <matthias@mpb.li>2012-07-11 11:49:12 +0200
committerMatthias (think) <matthias@mpb.li>2012-07-11 11:49:12 +0200
commite92f9c408634810828e75d4ad6da408e1c142195 (patch)
treed4e622617f58a70ed3dd2e57418f73f412e7193b /src/kiss_fftsimd.c
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added unmodified mmbtools
Diffstat (limited to 'src/kiss_fftsimd.c')
-rw-r--r--src/kiss_fftsimd.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/kiss_fftsimd.c b/src/kiss_fftsimd.c
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+/*
+ Copyright (C) 2011, 2012
+ Her Majesty the Queen in Right of Canada (Communications Research
+ Center Canada)
+ */
+/*
+ This file is part of CRC-DADMOD.
+
+ CRC-DADMOD 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 of the
+ License, or (at your option) any later version.
+
+ CRC-DADMOD 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 CRC-DADMOD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "kiss_fftsimd.h"
+
+
+#ifdef USE_SIMD
+void kiss_fft_pack(kiss_fft_complex *in, size_t in_size, size_t in_offset,
+ kiss_fft_complex *out, size_t out_size, size_t out_offset,
+ size_t stride, size_t n)
+{
+ size_t i, j;
+ complex_float *in_cplx = (complex_float*)in;
+
+ for (i = 0; i < 4; ++i) {
+ if (in_offset < in_size) {
+ for (j = 0; j < n; ++j) {
+ out[out_offset + j].r[i] = in_cplx[in_offset + j].r;
+ out[out_offset + j].i[i] = in_cplx[in_offset + j].i;
+ }
+ in_offset += stride;
+ }
+ }
+}
+#endif