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-rw-r--r--include/my_global.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/my_global.h b/include/my_global.h
index 98034fc1cff..0cd1352a290 100644
--- a/include/my_global.h
+++ b/include/my_global.h
@@ -361,7 +361,7 @@ typedef unsigned short ushort;
#define set_bits(type, bit_count) (sizeof(type)*8 <= (bit_count) ? ~(type) 0 : ((((type) 1) << (bit_count)) - (type) 1))
#define array_elements(A) ((uint) (sizeof(A)/sizeof(A[0])))
#ifndef HAVE_RINT
-#define rint(A) floor((A)+0.5)
+#define rint(A) floor((A)+((A) < 0) -0.5 : 0.5)
#endif
/* Define some general constants */