added unmodified mmbtools

1 files changed, 44 insertions, 0 deletions

diff --git a/src/kiss_fftsimd.c b/src/kiss_fftsimd.c
new file mode 100644
index 0000000..375f552
--- /dev/null
+++ b/src/kiss_fftsimd.c
@@ -0,0 +1,44 @@
+/*
+   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