diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/e_exp10.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/e_exp10.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/ieee754/dbl-64/e_exp10.c b/sysdeps/ieee754/dbl-64/e_exp10.c index eac609b71d..b14eaa9833 100644 --- a/sysdeps/ieee754/dbl-64/e_exp10.c +++ b/sysdeps/ieee754/dbl-64/e_exp10.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2012-2014 Free Software Foundation, Inc. +/* Copyright (C) 2012-2015 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 @@ -29,12 +29,14 @@ __ieee754_exp10 (double arg) double arg_high, arg_low; double exp_high, exp_low; - if (!__finite (arg)) + if (!isfinite (arg)) return __ieee754_exp (arg); if (arg < DBL_MIN_10_EXP - DBL_DIG - 10) return DBL_MIN * DBL_MIN; else if (arg > DBL_MAX_10_EXP + 1) return DBL_MAX * DBL_MAX; + else if (fabs (arg) < 0x1p-56) + return 1.0; GET_LOW_WORD (lx, arg); lx &= 0xf8000000; |