diff options
| author | Paolo Carlini <paolo.carlini@oracle.com> | 2013-01-24 12:20:57 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2013-01-24 12:20:57 +0000 |
| commit | 91f4a9e332b143dcdcb670ce8fa7cd83304787d5 (patch) | |
| tree | 49d8c4182c60053772a7d9be801b9d89d3970aca /libstdc++-v3/include/std/complex | |
| parent | e86c0101ae59b32c3f10edcca78398cbf8848eaa (diff) | |
re PR libstdc++/56085 (Unsafe negation in C++03 pow(complex,int))
2013-01-24 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/56085
* include/std/complex (pow(const complex<>&, int)): Avoid __n
signed overflow.
From-SVN: r195421
Diffstat (limited to 'libstdc++-v3/include/std/complex')
| -rw-r--r-- | libstdc++-v3/include/std/complex | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/libstdc++-v3/include/std/complex b/libstdc++-v3/include/std/complex index b13b11becc5..fe3f2674e16 100644 --- a/libstdc++-v3/include/std/complex +++ b/libstdc++-v3/include/std/complex @@ -1,8 +1,6 @@ // The template and inlines for the -*- C++ -*- complex number classes. -// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, -// 2006, 2007, 2008, 2009, 2010, 2011 -// Free Software Foundation, Inc. +// Copyright (C) 1997-2013 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the @@ -978,7 +976,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION pow(const complex<_Tp>& __z, int __n) { return __n < 0 - ? complex<_Tp>(1) / std::__complex_pow_unsigned(__z, -__n) + ? complex<_Tp>(1) / std::__complex_pow_unsigned(__z, -(unsigned)__n) : std::__complex_pow_unsigned(__z, __n); } #endif |