GNU C Library master sources branch, master, updated. glibc-2.15-263-g0fcad3e

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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=0fcad3e243575f5b316a1b630fcd9ed2396fd0c8

commit 0fcad3e243575f5b316a1b630fcd9ed2396fd0c8
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Wed Feb 29 20:49:20 2012 +0000

    Add test for bug 5794 (incorrect expm1 overflow).

diff --git a/ChangeLog b/ChangeLog
index 3d3f890..59fc3c0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2012-02-29  Joseph Myers  <joseph@codesourcery.com>
 
+	[BZ #5794]
+	* math/libm-test.inc (expm1_test): Add test for bug 5794.
+	* sysdeps/i386/fpu/libm-test-ulps: Update.
+	* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
+
 	* sysdeps/i386/fpu/libm-test-ulps: Reduce some expected errors.
 	* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
 
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 54d1aca..3510b61 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -2602,6 +2602,10 @@ expm1_test (void)
   TEST_f_f (expm1, 1, M_El - 1.0);
   TEST_f_f (expm1, 0.75L, 1.11700001661267466854536981983709561L);
 
+#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384
+  TEST_f_f (expm1, 11356.25L, 9.05128237311923300051376115753226014206e+4931L);
+#endif
+
   errno = 0;
   TEST_f_f (expm1, 100000.0, plus_infty);
   check_int ("errno for expm1(large) == ERANGE", errno, ERANGE, 0, 0, 0);
diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps
index 68e1fa9..18097a5 100644
--- a/sysdeps/i386/fpu/libm-test-ulps
+++ b/sysdeps/i386/fpu/libm-test-ulps
@@ -452,6 +452,8 @@ ldouble: 8
 # expm1
 Test "expm1 (1) == M_El - 1.0":
 ildouble: 1
+Test "expm1 (11356.25) == 9.05128237311923300051376115753226014206e+4931":
+ldouble: 1
 
 # gamma
 Test "gamma (-0.5) == log(2*sqrt(pi))":
@@ -1173,6 +1175,7 @@ ldouble: 8
 
 Function: "expm1":
 ildouble: 1
+ldouble: 1
 
 Function: "gamma":
 double: 1
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index 1bd06d1..eb67e91 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -511,6 +511,9 @@ double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "expm1 (11356.25) == 9.05128237311923300051376115753226014206e+4931":
+ildouble: 1
+ldouble: 1
 
 # gamma
 Test "gamma (-0.5) == log(2*sqrt(pi))":
@@ -1265,6 +1268,8 @@ double: 1
 float: 1
 idouble: 1
 ifloat: 1
+ildouble: 1
+ldouble: 1
 
 Function: "gamma":
 ildouble: 1

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                         |    5 +++++
 math/libm-test.inc                |    4 ++++
 sysdeps/i386/fpu/libm-test-ulps   |    3 +++
 sysdeps/x86_64/fpu/libm-test-ulps |    5 +++++
 4 files changed, 17 insertions(+), 0 deletions(-)


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