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| author | Joseph Myers <joseph@codesourcery.com> | 2014-01-02 16:34:24 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2014-01-02 16:34:24 +0000 |
| commit | 90b6a1e55fdbb3e6a3132742c26eb19666ad9e33 (patch) | |
| tree | ab2cb9799bdf0ece9c176bb250db96efbcb83b39 | |
| parent | 396e3ecf3e8f0f05bd7eeaf995a3f0c2327a6cd6 (diff) | |
| download | glibc-90b6a1e55fdbb3e6a3132742c26eb19666ad9e33.tar.gz glibc-90b6a1e55fdbb3e6a3132742c26eb19666ad9e33.tar.xz glibc-90b6a1e55fdbb3e6a3132742c26eb19666ad9e33.zip | |
Fix ldbl-128ibm asinhl inaccuracy (bug 16385).
This patch fixes bug 16385, ldbl-128ibm asinhl inaccuracy, which showed up while attempting to regenerate ulps for powerpc-nofpu for 2.19. The problem here was use of fabs instead of fabsl meaning large arguments were reduced to the precision of double. Tested for powerpc-nofpu. * sysdeps/ieee754/ldbl-128ibm/s_asinhl.c (__asinhl): Use fabsl not fabs.
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/s_asinhl.c | 2 |
3 files changed, 6 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 4fae701843..8200122be7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2014-01-02 Joseph Myers <joseph@codesourcery.com> + [BZ #16385] + * sysdeps/ieee754/ldbl-128ibm/s_asinhl.c (__asinhl): Use fabsl not + fabs. + [BZ #16384] * sysdeps/ieee754/ldbl-128ibm/e_acoshl.c (ln2): Initialize with M_LN2l. diff --git a/NEWS b/NEWS index c53be8aeba..c96c0e3cd9 100644 --- a/NEWS +++ b/NEWS @@ -23,7 +23,7 @@ Version 2.19 16038, 16041, 16055, 16071, 16072, 16074, 16077, 16078, 16103, 16112, 16143, 16144, 16146, 16150, 16151, 16153, 16167, 16172, 16195, 16214, 16245, 16271, 16274, 16283, 16289, 16293, 16314, 16316, 16330, 16337, - 16338, 16356, 16365, 16366, 16369, 16372, 16375, 16379, 16384. + 16338, 16356, 16365, 16366, 16369, 16372, 16375, 16379, 16384, 16385. * Slovenian translations for glibc messages have been contributed by the Translation Project's Slovenian team of translators. diff --git a/sysdeps/ieee754/ldbl-128ibm/s_asinhl.c b/sysdeps/ieee754/ldbl-128ibm/s_asinhl.c index 63c6edbb1a..043b151fff 100644 --- a/sysdeps/ieee754/ldbl-128ibm/s_asinhl.c +++ b/sysdeps/ieee754/ldbl-128ibm/s_asinhl.c @@ -48,7 +48,7 @@ long double __asinhl(long double x) if(huge+x>one) return x; /* return x inexact except 0 */ } if(ix>0x41b0000000000000LL) { /* |x| > 2**28 */ - w = __ieee754_logl(fabs(x))+ln2; + w = __ieee754_logl(fabsl(x))+ln2; } else if (ix>0x4000000000000000LL) { /* 2**28 > |x| > 2.0 */ t = fabs(x); w = __ieee754_logl(2.0*t+one/(__ieee754_sqrtl(x*x+one)+t)); |