about summary refs log tree commit diff
path: root/sysdeps/ieee754/ldbl-128ibm
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_log10l.c2
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_log2l.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_log10l.c b/sysdeps/ieee754/ldbl-128ibm/e_log10l.c
index 7477791b77..1fbfa48e13 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_log10l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_log10l.c
@@ -189,7 +189,7 @@ __ieee754_log10l (long double x)
   xhi = ldbl_high (x);
   EXTRACT_WORDS64 (hx, xhi);
   if ((hx & 0x7fffffffffffffffLL) == 0)
-    return (-1.0L / (x - x));
+    return (-1.0L / __fabsl (x));		/* log10l(+-0)=-inf  */
   if (hx < 0)
     return (x - x) / (x - x);
   if (hx >= 0x7ff0000000000000LL)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_log2l.c b/sysdeps/ieee754/ldbl-128ibm/e_log2l.c
index e39eaba72a..c820dacf08 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_log2l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_log2l.c
@@ -183,7 +183,7 @@ __ieee754_log2l (long double x)
   xhi = ldbl_high (x);
   EXTRACT_WORDS64 (hx, xhi);
   if ((hx & 0x7fffffffffffffffLL) == 0)
-    return (-1.0L / (x - x));
+    return (-1.0L / __fabsl (x));		/* log2l(+-0)=-inf  */
   if (hx < 0)
     return (x - x) / (x - x);
   if (hx >= 0x7ff0000000000000LL)