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[PATCH] Reduce ldouble ULPs for jn tests on x86
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: libc-alpha at sourceware dot org
- Date: Wed, 08 Feb 2012 22:24:59 +0100
- Subject: [PATCH] Reduce ldouble ULPs for jn tests on x86
The ULPs for the recently added jn tests were only as big because of the
loss of precision in the argument.
Andreas.
2012-02-08 Andreas Schwab <schwab@linux-m68k.org>
* sysdeps/i386/fpu/libm-test-ulps: Reduce ldouble ULPs for jn
tests.
* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps
index ebd46b0..cb73081 100644
--- a/sysdeps/i386/fpu/libm-test-ulps
+++ b/sysdeps/i386/fpu/libm-test-ulps
@@ -645,47 +645,45 @@ float: 1
ifloat: 1
double: 1
idouble: 1
-ldouble: 82
-ildouble: 82
+ldouble: 1
+ildouble: 1
Test "jn (3, 2.4048255576957729) == 0.19899990535769083404042146764530813":
-ldouble: 186
-ildouble: 186
+ldouble: 1
+ildouble: 1
Test "jn (4, 2.4048255576957729) == 0.647466661641779720084932282551219891E-1":
-ldouble: 185
-ildouble: 185
+ldouble: 2
+ildouble: 2
Test: "jn (5, 2.4048255576957729) == 0.163892432048058525099230549946147698E-1":
float: 1
ifloat: 1
double: 1
idouble: 1
-ldouble: 249
-ildouble: 249
+ldouble: 3
+ildouble: 3
Test "jn (6, 2.4048255576957729) == 0.34048184720278336646673682895929161E-2":
float: 2
ifloat: 2
double: 1
idouble: 1
-ldouble: 511
-ildouble: 511
+ldouble: 1
+ildouble: 1
Test "jn (7, 2.4048255576957729) == 0.60068836573295394221291569249883076E-3":
float: 2
ifloat: 2
double: 1
idouble: 1
-ldouble: 428
-ildouble: 428
Test "jn (8, 2.4048255576957729) == 0.92165786705344923232879022467054148E-4":
float: 3
ifloat: 3
double: 1
idouble: 1
-ldouble: 609
-ildouble: 609
+ldouble: 2
+ildouble: 2
Test "jn (9, 2.4048255576957729) == 0.12517270977961513005428966643852564E-4":
float: 4
ifloat: 4
-ldouble: 750
-ildouble: 750
+ldouble: 2
+ildouble: 2
# lgamma
Test "lgamma (-0.5) == log(2*sqrt(pi))":
@@ -1217,8 +1215,8 @@ double: 5
float: 4
idouble: 5
ifloat: 4
-ildouble: 750
-ldouble: 750
+ildouble: 3
+ldouble: 3
Function: "lgamma":
double: 1
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index aafdac7..2847f78 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -671,8 +671,8 @@ double: 2
float: 1
idouble: 2
ifloat: 1
-ildouble: 82
-ldouble: 82
+ildouble: 1
+ldouble: 1
Test "jn (3, -1.0) == -0.0195633539826684059189053216217515083":
ildouble: 1
ldouble: 1
@@ -706,48 +706,46 @@ ldouble: 1
Test "jn (3, 2.4048255576957729) == 0.19899990535769083404042146764530813":
double: 3
idouble: 3
-ildouble: 186
-ldouble: 186
+ildouble: 1
+ldouble: 1
Test "jn (4, 2.4048255576957729) == 0.647466661641779720084932282551219891E-1":
double: 1
idouble: 1
-ildouble: 185
-ldouble: 185
+ildouble: 2
+ldouble: 2
Test "jn (5, 2.4048255576957729) == 0.163892432048058525099230549946147698E-1":
double: 3
float: 1
idouble: 3
ifloat: 1
-ildouble: 249
-ldouble: 249
+ildouble: 3
+ldouble: 3
Test "jn (6, 2.4048255576957729) == 0.34048184720278336646673682895929161E-2":
double: 4
float: 3
idouble: 4
ifloat: 3
-ildouble: 511
-ldouble: 511
+ildouble: 1
+ldouble: 1
Test "jn (7, 2.4048255576957729) == 0.60068836573295394221291569249883076E-3":
double: 3
float: 5
idouble: 3
ifloat: 5
-ildouble: 428
-ldouble: 428
Test "jn (8, 2.4048255576957729) == 0.92165786705344923232879022467054148E-4":
double: 3
float: 2
idouble: 3
ifloat: 2
-ildouble: 609
-ldouble: 609
+ildouble: 2
+ldouble: 2
Test "jn (9, 2.4048255576957729) == 0.12517270977961513005428966643852564E-4":
double: 1
float: 2
idouble: 1
ifloat: 2
-ildouble: 750
-ldouble: 750
+ildouble: 2
+ldouble: 2
# lgamma
Test "lgamma (-0.5) == log(2*sqrt(pi))":
@@ -1296,8 +1294,8 @@ double: 4
float: 5
idouble: 4
ifloat: 5
-ildouble: 750
-ldouble: 750
+ildouble: 3
+ldouble: 3
Function: "lgamma":
double: 1
--
1.7.9
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."