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-rw-r--r--sysdeps/libm-ieee754/s_exp2.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sysdeps/libm-ieee754/s_exp2.c b/sysdeps/libm-ieee754/s_exp2.c
index e10fae5492..fc3fd2507b 100644
--- a/sysdeps/libm-ieee754/s_exp2.c
+++ b/sysdeps/libm-ieee754/s_exp2.c
@@ -1,5 +1,5 @@
/* Double-precision floating point 2^x.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Geoffrey Keating <geoffk@ozemail.com.au>
@@ -54,7 +54,10 @@ __ieee754_exp2 (double x)
fenv_t oldenv;
feholdexcept (&oldenv);
+#ifdef FE_TONEAREST
+ /* If we don't have this, it's too bad. */
fesetround (FE_TONEAREST);
+#endif
/* 1. Argument reduction.
Choose integers ex, -256 <= t < 256, and some real