merge support for 64-bit arm (the preprocessor tests had to be fixed) + benchmark on ipad air 2
merge from https://bitbucket.org/jpommier/pffft/src/default/
Signed-off-by: hayati ayguen <[email protected]>
diff --git a/pffft.c b/pffft.c
index 351d775..36bf6a8 100644
--- a/pffft.c
+++ b/pffft.c
@@ -57,6 +57,8 @@
- 2011/10/02, version 1: This is the very first release of this file.
*/
+#include "pffft.h"
+
/* detect compiler flavour */
#if defined(_MSC_VER)
# define COMPILER_MSVC
@@ -68,7 +70,6 @@
# define _USE_MATH_DEFINES
#endif
-#include "pffft.h"
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
@@ -156,7 +157,7 @@
/*
ARM NEON support macros
*/
-#elif !defined(PFFFT_SIMD_DISABLE) && defined(__arm__)
+#elif !defined(PFFFT_SIMD_DISABLE) && (defined(__arm__) || defined(__aarch64__) || defined(__arm64__))
# include <arm_neon.h>
typedef float32x4_t v4sf;
# define SIMD_SZ 4
