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authorJoseph Myers <joseph@codesourcery.com>2012-03-01 21:15:38 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-03-01 21:15:38 +0000
commit7b1902cb3e64d340247638a8781770c3a4d850ce (patch)
treedc06e102ffa43897515baa0d67cbb944b7a45d77 /sysdeps/ieee754/ldbl-128ibm
parentf775c276fd1f89cc9d561db0890a356e7d6e50b8 (diff)
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Improve erfc accuracy.
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_erfl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_erfl.c b/sysdeps/ieee754/ldbl-128ibm/s_erfl.c
index 85cdbe0ff8..8868f7e1cf 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_erfl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_erfl.c
@@ -920,7 +920,8 @@ __erfcl (long double x)
 	}
       u.value = x;
       u.parts32.w3 = 0;
-      u.parts32.w2 &= 0xffffe000;
+      u.parts32.w2 = 0;
+      u.parts32.w1 &= 0xf8000000;
       z = u.value;
       r = __ieee754_expl (-z * z - 0.5625) *
 	__ieee754_expl ((z - x) * (z + x) + p);