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-rw-r--r--libm/powerpc/s_floor.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libm/powerpc/s_floor.c b/libm/powerpc/s_floor.c
index 94677b4d2..0ddbb9b66 100644
--- a/libm/powerpc/s_floor.c
+++ b/libm/powerpc/s_floor.c
@@ -21,13 +21,15 @@
* *
*******************************************************************************/
+#include <endian.h>
+
static const double twoTo52 = 4503599627370496.0;
static const unsigned long signMask = 0x80000000ul;
typedef union
{
struct {
-#if defined(__BIG_ENDIAN__)
+#if (__BYTE_ORDER == __BIG_ENDIAN)
unsigned long int hi;
unsigned long int lo;
#else