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GNU C Library master sources branch, master, updated. glibc-2.13-202-gf5f312e
- From: drepper at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 18 May 2011 23:52:52 -0000
- Subject: GNU C Library master sources branch, master, updated. glibc-2.13-202-gf5f312e
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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=f5f312ebe06920f8cdd389ff42713a7088898a11
commit f5f312ebe06920f8cdd389ff42713a7088898a11
Author: Ulrich Drepper <drepper@gmail.com>
Date: Wed May 18 19:52:42 2011 -0400
Fix whitespace
diff --git a/math/test-powl.c b/math/test-powl.c
index 960f216..c464d78 100644
--- a/math/test-powl.c
+++ b/math/test-powl.c
@@ -38,7 +38,7 @@ main (void)
u.ieee.negative = 0;
(void) powl (0.2, u.d);
x = powl (x, 1.5);
- if (fabsl (x - 1e-30) > 1e-10)
+ if (fabsl (x - 1e-30) > 1e-10)
{
printf ("powl (1e-20, 1.5): wrong result: %Lg\n", x);
result = 1;
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=8db736347c7aca3201f61e3f05b5f672bcdd5bd9
commit 8db736347c7aca3201f61e3f05b5f672bcdd5bd9
Author: H.J. Lu <hongjiu.lu@intel.com>
Date: Wed May 18 19:50:48 2011 -0400
Fix typo in x86-64 powl
diff --git a/ChangeLog b/ChangeLog
index c427a2f..c1bf490 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2011-05-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ [BZ #12775]
+ * sysdeps/x86_64/fpu/e_powl.S: Fix a typo.
+ * math/Makefile (tests): Add test-powl.
+ (CFLAGS-test-powl.c): Define.
+ * math/test-powl.c: New file.
+
2011-05-16 H.J. Lu <hongjiu.lu@intel.com>
* fileops.c (_IO_new_file_fopen): Get fd from _IO_fileno.
diff --git a/NEWS b/NEWS
index 6fe7074..a5d8034 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-GNU C Library NEWS -- history of user-visible changes. 2011-5-17
+GNU C Library NEWS -- history of user-visible changes. 2011-5-18
Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
See the end for copying conditions.
@@ -16,7 +16,7 @@ Version 2.14
12469, 12489, 12509, 12510, 12511, 12518, 12527, 12541, 12545, 12551,
12582, 12583, 12587, 12597, 12601, 12611, 12625, 12626, 12631, 12650,
12653, 12655, 12660, 12681, 12685, 12711, 12713, 12714, 12717, 12723,
- 12724, 12734, 12738, 12746, 12766
+ 12724, 12734, 12738, 12746, 12766, 12775
* The RPC implementation in libc is obsoleted. Old programs keep working
but new programs cannot be linked with the routines in libc anymore.
diff --git a/math/Makefile b/math/Makefile
index 7e3a626..45954e2 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -90,7 +90,8 @@ distribute += $(filter-out $(generated),$(long-m-yes:=.c) $(long-c-yes:=.c))
# Rules for the test suite.
tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \
test-misc test-fpucw tst-definitions test-tgmath test-tgmath-ret \
- bug-nextafter bug-nexttoward bug-tgmath1 test-tgmath-int test-tgmath2
+ bug-nextafter bug-nexttoward bug-tgmath1 test-tgmath-int \
+ test-tgmath2 test-powl
# We do the `long double' tests only if this data type is available and
# distinct from `double'.
test-longdouble-yes = test-ldouble test-ildoubl
@@ -131,6 +132,7 @@ CFLAGS-test-ldouble.c = -fno-inline -ffloat-store -fno-builtin
CFLAGS-test-tgmath.c = -fno-builtin
CFLAGS-test-tgmath2.c = -fno-builtin
CFLAGS-test-tgmath-ret.c = -fno-builtin
+CFLAGS-test-powl.c = -fno-builtin
CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
-DTEST_FAST_MATH -fno-builtin
CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
diff --git a/math/test-powl.c b/math/test-powl.c
new file mode 100644
index 0000000..960f216
--- /dev/null
+++ b/math/test-powl.c
@@ -0,0 +1,51 @@
+/* Test for powl
+ Copyright (C) 2011 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stdio.h>
+#include <math.h>
+#include <float.h>
+#include <ieee754.h>
+
+int
+main (void)
+{
+ int result = 0;
+
+#ifndef NO_LONG_DOUBLE
+# if LDBL_MANT_DIG == 64
+ {
+ long double x = 1e-20;
+ union ieee854_long_double u;
+ u.ieee.mantissa0 = 1;
+ u.ieee.mantissa1 = 1;
+ u.ieee.exponent = 0;
+ u.ieee.negative = 0;
+ (void) powl (0.2, u.d);
+ x = powl (x, 1.5);
+ if (fabsl (x - 1e-30) > 1e-10)
+ {
+ printf ("powl (1e-20, 1.5): wrong result: %Lg\n", x);
+ result = 1;
+ }
+ }
+# endif
+#endif
+
+ return result;
+}
diff --git a/sysdeps/x86_64/fpu/e_powl.S b/sysdeps/x86_64/fpu/e_powl.S
index 4959bea..a0b1b1d 100644
--- a/sysdeps/x86_64/fpu/e_powl.S
+++ b/sysdeps/x86_64/fpu/e_powl.S
@@ -1,5 +1,5 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2007
+ Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2007, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -154,7 +154,7 @@ ENTRY(__ieee754_powl)
fucompp // 1.0 : x : y
fnstsw
fxch // x : 1.0 : y
- test $4500,%eax
+ test $0x4500,%eax
jz 7f
fsub %st(1) // x-1 : 1.0 : y
fyl2xp1 // log2(x) : y
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 8 ++++++
NEWS | 4 +-
math/Makefile | 4 ++-
math/{tst-definitions.c => test-powl.c} | 40 +++++++++++++++++--------------
sysdeps/x86_64/fpu/e_powl.S | 4 +-
5 files changed, 37 insertions(+), 23 deletions(-)
copy math/{tst-definitions.c => test-powl.c} (63%)
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