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| author | Joseph Myers <joseph@codesourcery.com> | 2012-10-30 13:51:27 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-10-30 13:51:27 +0000 |
| commit | 2a27fd6dae3edec949deda9a55928a0e22c8a8ae (patch) | |
| tree | 9c9fcc6c86b0f7c04454a5833d5efbe17dc79117 /sysdeps | |
| parent | e5088dc6870b072a263f207af9e410c82f80a09e (diff) | |
| download | glibc-2a27fd6dae3edec949deda9a55928a0e22c8a8ae.tar.gz glibc-2a27fd6dae3edec949deda9a55928a0e22c8a8ae.tar.xz glibc-2a27fd6dae3edec949deda9a55928a0e22c8a8ae.zip | |
Fix strtod handling of underflow (bug 14047).
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/tininess.h | 33 | ||||
| -rw-r--r-- | sysdeps/i386/tininess.h | 1 | ||||
| -rw-r--r-- | sysdeps/sh/tininess.h | 1 | ||||
| -rw-r--r-- | sysdeps/x86_64/tininess.h | 1 |
4 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/generic/tininess.h b/sysdeps/generic/tininess.h new file mode 100644 index 0000000000..fd01739950 --- /dev/null +++ b/sysdeps/generic/tininess.h @@ -0,0 +1,33 @@ +/* Specify architecture-specific rules for determining tininess of + floating-point results. Generic version. + Copyright (C) 2012 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _TININESS_H +#define _TININESS_H 1 + +/* Under IEEE 754, an architecture may determine tininess of + floating-point results either "before rounding" or "after + rounding", but must do so in the same way for all operations + returning binary results. Define TININESS_AFTER_ROUNDING to 1 for + "after rounding" architectures, 0 for "before rounding" + architectures. The test stdlib/tst-tininess will fail if the + definition is incorrect. */ + +#define TININESS_AFTER_ROUNDING 0 + +#endif /* tininess.h */ diff --git a/sysdeps/i386/tininess.h b/sysdeps/i386/tininess.h new file mode 100644 index 0000000000..1db37790f8 --- /dev/null +++ b/sysdeps/i386/tininess.h @@ -0,0 +1 @@ +#define TININESS_AFTER_ROUNDING 1 diff --git a/sysdeps/sh/tininess.h b/sysdeps/sh/tininess.h new file mode 100644 index 0000000000..1db37790f8 --- /dev/null +++ b/sysdeps/sh/tininess.h @@ -0,0 +1 @@ +#define TININESS_AFTER_ROUNDING 1 diff --git a/sysdeps/x86_64/tininess.h b/sysdeps/x86_64/tininess.h new file mode 100644 index 0000000000..1db37790f8 --- /dev/null +++ b/sysdeps/x86_64/tininess.h @@ -0,0 +1 @@ +#define TININESS_AFTER_ROUNDING 1 |