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[Bug libstdc++/47913] [C++0x] improve ratio_add to overflow less often
- From: "paolo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 2 Mar 2011 14:58:08 +0000
- Subject: [Bug libstdc++/47913] [C++0x] improve ratio_add to overflow less often
- Auto-submitted: auto-generated
- References: <bug-47913-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47913
--- Comment #15 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-03-02 14:58:00 UTC ---
Author: paolo
Date: Wed Mar 2 14:57:57 2011
New Revision: 170616
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170616
Log:
2011-03-02 Marc Glisse <marc.glisse@normalesup.org>
PR libstdc++/47913
* include/std/ratio (ratio_add): Avoid denominator overflow.
* testsuite/20_util/ratio/operations/47913.cc: New.
Added:
trunk/libstdc++-v3/testsuite/20_util/ratio/operations/47913.cc
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/include/std/ratio