1 files changed, 68 insertions, 0 deletions
diff --git a/src/kiss_fftsimd.h b/src/kiss_fftsimd.h
new file mode 100644
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--- /dev/null
+++ b/src/kiss_fftsimd.h
@@ -0,0 +1,68 @@
+/*
+   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/>.
+ */
+
+#ifndef KISS_FFTSIMD_H
+#define KISS_FFTSIMD_H
+
+#ifdef HAVE_CONFIG_H
+#   include "config.h"
+#endif
+
+#include <kiss_fft.h>
+
+
+#define FFT_TYPE kiss_fft_cpx
+#define FFT_PLAN kiss_fft_cfg
+#define FFT_REAL(a) (a).r
+#define FFT_IMAG(a) (a).i
+
+
+#ifdef __SSE__
+#include <xmmintrin.h>
+union __u128 {
+    __m128 m;
+    float f[4];
+};
+#endif
+
+
+#ifdef USE_SIMD
+
+typedef struct {
+    float r[4];
+    float i[4];
+} kiss_fft_complex;
+
+typedef struct {
+    float r;
+    float i;
+} complex_float;
+
+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);
+void kiss_fft_unpack(kiss_fft_complex *dst, kiss_fft_complex *src, size_t n, size_t offset, size_t stride);
+
+#endif
+
+
+#endif // KISS_FFTSIMD_H