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-rw-r--r--ChangeLog5
-rw-r--r--NEWS16
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_exp10l.c4
3 files changed, 15 insertions, 10 deletions
diff --git a/ChangeLog b/ChangeLog
index 958b4a3a9d..a88defa9f6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2015-09-30  Joseph Myers  <joseph@codesourcery.com>
 
+	[BZ #16620]
+	* sysdeps/ieee754/ldbl-128ibm/e_exp10l.c (log10_high): Use value
+	of log (10) rounded downward to 48 bits.
+	(log10_low): Use corresponding low part of log (10).
+
 	[BZ #19032]
 	* sysdeps/i386/fpu/e_acosh.S (__ieee754_acosh): For arguments < 1,
 	compute result as (x - x) / (x - x) not as 0 / 0.
diff --git a/NEWS b/NEWS
index e7e11bf987..06df4b2b54 100644
--- a/NEWS
+++ b/NEWS
@@ -10,14 +10,14 @@ Version 2.23
 * The following bugs are resolved with this release:
 
   2542, 2543, 2558, 2898, 4404, 6803, 14341, 14912, 15367, 15384, 15786,
-  15918, 16141, 16296, 16415, 16517, 16519, 16520, 16521, 16734, 16973,
-  16985, 17118, 17243, 17244, 17250, 17441, 17787, 17886, 17887, 17905,
-  18084, 18086, 18240, 18265, 18370, 18421, 18480, 18525, 18595, 18610,
-  18618, 18647, 18661, 18674, 18675, 18681, 18757, 18778, 18781, 18787,
-  18789, 18790, 18795, 18796, 18803, 18820, 18823, 18824, 18825, 18857,
-  18863, 18870, 18872, 18873, 18875, 18887, 18921, 18951, 18952, 18956,
-  18961, 18966, 18967, 18969, 18970, 18977, 18980, 18981, 18985, 19003,
-  19016, 19032.
+  15918, 16141, 16296, 16415, 16517, 16519, 16520, 16521, 16620, 16734,
+  16973, 16985, 17118, 17243, 17244, 17250, 17441, 17787, 17886, 17887,
+  17905, 18084, 18086, 18240, 18265, 18370, 18421, 18480, 18525, 18595,
+  18610, 18618, 18647, 18661, 18674, 18675, 18681, 18757, 18778, 18781,
+  18787, 18789, 18790, 18795, 18796, 18803, 18820, 18823, 18824, 18825,
+  18857, 18863, 18870, 18872, 18873, 18875, 18887, 18921, 18951, 18952,
+  18956, 18961, 18966, 18967, 18969, 18970, 18977, 18980, 18981, 18985,
+  19003, 19016, 19032.
 
 * The obsolete header <regexp.h> has been removed.  Programs that require
   this header must be updated to use <regex.h> instead.
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_exp10l.c b/sysdeps/ieee754/ldbl-128ibm/e_exp10l.c
index deefe7f54f..e1f0cbbc9f 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_exp10l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_exp10l.c
@@ -19,8 +19,8 @@
 #include <math_private.h>
 #include <float.h>
 
-static const long double log10_high = 0x2.4d763776aaa2cp0L;
-static const long double log10_low = -0xf.a456a4a751f4b3d75c75c04c18p-56L;
+static const long double log10_high = 0x2.4d763776aaap+0L;
+static const long double log10_low = 0x2.b05ba95b58ae0b4c28a38a3fb4p-48L;
 
 long double
 __ieee754_exp10l (long double arg)