Revup FFTS to latest upstream version

Taken from https://github.com/linkotec/ffts

Fixes ppc64el support and a handful of other bugs

1 files changed, 54 insertions, 0 deletions

diff --git a/lib/ffts/src/ffts_cpu.h b/lib/ffts/src/ffts_cpu.h
new file mode 100644
index 0000000..37d77e4
--- /dev/null
+++ b/lib/ffts/src/ffts_cpu.h
@@ -0,0 +1,54 @@
+/*
+
+This file is part of FFTS -- The Fastest Fourier Transform in the South
+
+Copyright (c) 2018, Jukka Ojanen <jukka.ojanen@kolumbus.fi>
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+* Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+* Neither the name of the organization nor the
+names of its contributors may be used to endorse or promote products
+derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL ANTHONY M. BLAKE BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef FFTS_CPU_H
+
+#if defined (_MSC_VER) && (_MSC_VER >= 1020)
+#pragma once
+#endif
+
+#include "ffts_internal.h"
+
+#define FFTS_CPU_X86_SSE    0x001
+#define FFTS_CPU_X86_SSE2   0x002
+#define FFTS_CPU_X86_SSE3   0x004
+#define FFTS_CPU_X86_SSSE3  0x008
+#define FFTS_CPU_X86_SSE4_1 0x010
+#define FFTS_CPU_X86_SSE4_2 0x020
+#define FFTS_CPU_X86_AVX    0x040
+#define FFTS_CPU_X86_AVX2   0x080
+#define FFTS_CPU_X86_AVX512 0x100
+
+int
+ffts_cpu_detect(int *extra_flags);
+
+#endif /* FFTS_CPU_H */