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-rw-r--r--bits/fenv.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/bits/fenv.h b/bits/fenv.h
index f9b61d5e42..2dbf2abd16 100644
--- a/bits/fenv.h
+++ b/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -53,3 +53,11 @@ fenv_t;
/* If the default argument is used we use this value. */
#define FE_DFL_ENV ((const fenv_t *) -1l)
+
+#if __GLIBC_USE (IEC_60559_BFP_EXT)
+/* Type representing floating-point control modes. */
+typedef unsigned int femode_t;
+
+/* Default floating-point control modes. */
+# define FE_DFL_MODE ((const femode_t *) -1L)
+#endif