diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_exp2.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_exp2.c | 5 |
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 |