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-rw-r--r--sysdeps/ieee754/ldbl-128/e_acosl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_acosl.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/ieee754/ldbl-128/e_acosl.c b/sysdeps/ieee754/ldbl-128/e_acosl.c
index 28c94ed404..8c8ec93339 100644
--- a/sysdeps/ieee754/ldbl-128/e_acosl.c
+++ b/sysdeps/ieee754/ldbl-128/e_acosl.c
@@ -173,7 +173,7 @@ __ieee754_acosl (long double x)
     }
   else if (ix < 0x3ffe0000)	/* |x| < 0.5 */
     {
-      if (ix < 0x3fc60000)	/* |x| < 2**-57 */
+      if (ix < 0x3f8e0000)	/* |x| < 2**-113 */
 	return pio2_hi + pio2_lo;
       if (ix < 0x3ffde000)	/* |x| < .4375 */
 	{
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_acosl.c b/sysdeps/ieee754/ldbl-128ibm/e_acosl.c
index 2cb288238b..e5030f1b52 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_acosl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_acosl.c
@@ -169,7 +169,7 @@ __ieee754_acosl (long double x)
     }
   if (a < 0.5L)
     {
-      if (a < 6.938893903907228e-18L)	/* |x| < 2**-57 */
+      if (a < 0x1p-106L)
 	return pio2_hi + pio2_lo;
       if (a < 0.4375L)
 	{