math: Add more input to atanh accuracy tests

This patch adds following input to atanh accuracy test.

    0x1.f80094p-8

Tested on x86-64 and i686 platforms.
Other platforms may have to regenerate ulps file.

Reviewed-by: Paul Zimmermann <Paul.Zimmermann@inria.fr>

diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in
index 9080afe4fb0096f6828a9e5f515025abeaf1bcb9..30fbada31f9cccd3c3152b8804a5748ac939a7c3 100644 (file)
--- a/math/auto-libm-test-in
+++ b/math/auto-libm-test-in
@@ -617,6 +617,9 @@ atanh -0x3.98eaf4p-4
 atanh 0x2.c1085p-4
 atanh 0x1p-500
 atanh 0x1p-5000
+# the next value generates larger error bounds in libmvec/avx512 on x86_64
+# (binary32)
+atanh 0x1.f80094p-8
 # the next value generates larger error bounds on x86_64 (binary128)
 atanh 0x2.c02a24f3472c7840afbd8cfb68bap-4
 atanh min

diff --git a/math/auto-libm-test-out-atanh b/math/auto-libm-test-out-atanh
index 378ef6e8cf3706a7d57c491afeac195625a83d20..a5243264be8a52c9936e64f9ccc87813c2ee48d8 100644 (file)
--- a/math/auto-libm-test-out-atanh
+++ b/math/auto-libm-test-out-atanh
@@ -3112,6 +3112,31 @@ atanh 0x1p-5000
 = atanh tonearest binary128 0x1p-5000 : 0x1p-5000 : inexact-ok
 = atanh towardzero binary128 0x1p-5000 : 0x1p-5000 : inexact-ok
 = atanh upward binary128 0x1p-5000 : 0x1.0000000000000000000000000001p-5000 : inexact-ok
+atanh 0x1.f80094p-8
+= atanh downward binary32 0x1.f80094p-8 : 0x1.f8031ep-8 : inexact-ok
+= atanh tonearest binary32 0x1.f80094p-8 : 0x1.f8032p-8 : inexact-ok
+= atanh towardzero binary32 0x1.f80094p-8 : 0x1.f8031ep-8 : inexact-ok
+= atanh upward binary32 0x1.f80094p-8 : 0x1.f8032p-8 : inexact-ok
+= atanh downward binary64 0x1.f80094p-8 : 0x1.f8031f3228153p-8 : inexact-ok
+= atanh tonearest binary64 0x1.f80094p-8 : 0x1.f8031f3228154p-8 : inexact-ok
+= atanh towardzero binary64 0x1.f80094p-8 : 0x1.f8031f3228153p-8 : inexact-ok
+= atanh upward binary64 0x1.f80094p-8 : 0x1.f8031f3228154p-8 : inexact-ok
+= atanh downward intel96 0x1.f80094p-8 : 0x1.f8031f3228153f0ep-8 : inexact-ok
+= atanh tonearest intel96 0x1.f80094p-8 : 0x1.f8031f3228153f0ep-8 : inexact-ok
+= atanh towardzero intel96 0x1.f80094p-8 : 0x1.f8031f3228153f0ep-8 : inexact-ok
+= atanh upward intel96 0x1.f80094p-8 : 0x1.f8031f3228153f1p-8 : inexact-ok
+= atanh downward m68k96 0x1.f80094p-8 : 0x1.f8031f3228153f0ep-8 : inexact-ok
+= atanh tonearest m68k96 0x1.f80094p-8 : 0x1.f8031f3228153f0ep-8 : inexact-ok
+= atanh towardzero m68k96 0x1.f80094p-8 : 0x1.f8031f3228153f0ep-8 : inexact-ok
+= atanh upward m68k96 0x1.f80094p-8 : 0x1.f8031f3228153f1p-8 : inexact-ok
+= atanh downward binary128 0x1.f80094p-8 : 0x1.f8031f3228153f0e56e4db72d2afp-8 : inexact-ok
+= atanh tonearest binary128 0x1.f80094p-8 : 0x1.f8031f3228153f0e56e4db72d2bp-8 : inexact-ok
+= atanh towardzero binary128 0x1.f80094p-8 : 0x1.f8031f3228153f0e56e4db72d2afp-8 : inexact-ok
+= atanh upward binary128 0x1.f80094p-8 : 0x1.f8031f3228153f0e56e4db72d2bp-8 : inexact-ok
+= atanh downward ibm128 0x1.f80094p-8 : 0x1.f8031f3228153f0e56e4db72d28p-8 : inexact-ok
+= atanh tonearest ibm128 0x1.f80094p-8 : 0x1.f8031f3228153f0e56e4db72d28p-8 : inexact-ok
+= atanh towardzero ibm128 0x1.f80094p-8 : 0x1.f8031f3228153f0e56e4db72d28p-8 : inexact-ok
+= atanh upward ibm128 0x1.f80094p-8 : 0x1.f8031f3228153f0e56e4db72d3p-8 : inexact-ok
 atanh 0x2.c02a24f3472c7840afbd8cfb68bap-4
 = atanh downward binary32 0x2.c02a28p-4 : 0x2.c73a3cp-4 : inexact-ok
 = atanh tonearest binary32 0x2.c02a28p-4 : 0x2.c73a3cp-4 : inexact-ok