diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c | 2 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c | 2 |
3 files changed, 8 insertions, 2 deletions
@@ -1,3 +1,9 @@ +2017-10-04 Szabolcs Nagy <szabolcs.nagy@arm.com> + + [BZ #22243] + * sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c (__ieee754_log10): Use fabs. + * sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c (__ieee754_log2): Likewise. + 2017-10-03 H.J. Lu <hongjiu.lu@intel.com> * sysdeps/i386/start.S: Replace "leal main@GOT(%ebx), %eax" with diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c b/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c index 4f5a816..cd55671 100644 --- a/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c +++ b/sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c @@ -65,7 +65,7 @@ __ieee754_log10 (double x) if (hx < INT64_C(0x0010000000000000)) { /* x < 2**-1022 */ if (__glibc_unlikely ((hx & UINT64_C(0x7fffffffffffffff)) == 0)) - return -two54 / (x - x); /* log(+-0)=-inf */ + return -two54 / fabs (x); /* log(+-0)=-inf */ if (__glibc_unlikely (hx < 0)) return (x - x) / (x - x); /* log(-#) = NaN */ k -= 54; diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c b/sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c index 5ccb78c..f08d5b3 100644 --- a/sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c +++ b/sysdeps/ieee754/dbl-64/wordsize-64/e_log2.c @@ -81,7 +81,7 @@ __ieee754_log2 (double x) if (hx < INT64_C(0x0010000000000000)) { /* x < 2**-1022 */ if (__glibc_unlikely ((hx & UINT64_C(0x7fffffffffffffff)) == 0)) - return -two54 / (x - x); /* log(+-0)=-inf */ + return -two54 / fabs (x); /* log(+-0)=-inf */ if (__glibc_unlikely (hx < 0)) return (x - x) / (x - x); /* log(-#) = NaN */ k -= 54; |