diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_llroundl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_llroundl.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_llroundl.c b/sysdeps/ieee754/ldbl-96/s_llroundl.c index 8381649269..483199d442 100644 --- a/sysdeps/ieee754/ldbl-96/s_llroundl.c +++ b/sysdeps/ieee754/ldbl-96/s_llroundl.c @@ -1,5 +1,5 @@ /* Round long double value to long long int. - Copyright (C) 1997-2015 Free Software Foundation, Inc. + Copyright (C) 1997-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -17,6 +17,8 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#include <fenv.h> +#include <limits.h> #include <math.h> #include <math_private.h> @@ -64,7 +66,14 @@ __llroundl (long double x) ++result; if (j0 > 31) - result = (result << (j0 - 31)) | (j >> (63 - j0)); + { + result = (result << (j0 - 31)) | (j >> (63 - j0)); +#ifdef FE_INVALID + if (sign == 1 && result == LLONG_MIN) + /* Rounding brought the value out of range. */ + feraiseexcept (FE_INVALID); +#endif + } } } else |