From 5ffb9a53d7d8dec873b272d162ba4f84452a3d03 Mon Sep 17 00:00:00 2001
From: Joseph Myers <joseph@codesourcery.com>
Date: Fri, 1 May 2015 23:06:44 +0000
Subject: Add more tests of tanh.

This patch adds some randomly-generated tests of tanh that are
observed to increase ulps on x86_64.

Tested for x86_64 and x86 and ulps updated accordingly.

	* math/auto-libm-test-in: Add more tests of tanh.
	* math/auto-libm-test-out: Regenerated.
	* sysdeps/i386/fpu/libm-test-ulps: Update.
	* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
---
 sysdeps/i386/fpu/libm-test-ulps   | 16 ++++++++------
 sysdeps/x86_64/fpu/libm-test-ulps | 44 +++++++++++++++++++++++----------------
 2 files changed, 36 insertions(+), 24 deletions(-)

(limited to 'sysdeps')

diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps
index 2286c88..10e0ca6 100644
--- a/sysdeps/i386/fpu/libm-test-ulps
+++ b/sysdeps/i386/fpu/libm-test-ulps
@@ -1829,25 +1829,29 @@ ifloat: 1
 ildouble: 2
 ldouble: 2
 
+Function: "tanh":
+ildouble: 2
+ldouble: 2
+
 Function: "tanh_downward":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
-ildouble: 3
-ldouble: 1
+ildouble: 4
+ldouble: 3
 
 Function: "tanh_towardzero":
 double: 1
 float: 1
-ildouble: 2
-ldouble: 1
+ildouble: 3
+ldouble: 3
 
 Function: "tanh_upward":
 double: 1
 float: 1
-ildouble: 2
-ldouble: 1
+ildouble: 5
+ldouble: 4
 
 Function: "tgamma":
 double: 4
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index 0cb22a4..9fd710b 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -1981,29 +1981,37 @@ ifloat: 1
 ildouble: 2
 ldouble: 2
 
+Function: "tanh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
 Function: "tanh_downward":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
-ildouble: 1
-ldouble: 1
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 3
+ldouble: 3
 
 Function: "tanh_towardzero":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
-ildouble: 1
-ldouble: 1
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 3
+ldouble: 3
 
 Function: "tanh_upward":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
-ildouble: 1
-ldouble: 1
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 4
+ldouble: 4
 
 Function: "tgamma":
 double: 4
-- 
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