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[Bug libstdc++/77801] std::experimental::gcd std::experimental::lcd use non-constexpr std::abs
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 30 Sep 2016 13:44:10 +0000
- Subject: [Bug libstdc++/77801] std::experimental::gcd std::experimental::lcd use non-constexpr std::abs
- Auto-submitted: auto-generated
- References: <bug-77801-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77801
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Sep 30 13:43:37 2016
New Revision: 240656
URL: https://gcc.gnu.org/viewcvs?rev=240656&root=gcc&view=rev
Log:
Remove use of std::abs in experimental::{gcd,lcm}
PR libstdc++/77801
* include/experimental/numeric: Include <numeric>.
(__abs): Define.
(gcd, lcm): Use __abs instead of std::abs.
* testsuite/experimental/numeric/77801.cc: New test.
* testsuite/experimental/numeric/gcd.cc: Test unsigned inputs.
* testsuite/experimental/numeric/lcm.cc: Likewise.
Added:
trunk/libstdc++-v3/testsuite/experimental/numeric/77801.cc
- copied, changed from r240653,
trunk/libstdc++-v3/testsuite/experimental/numeric/gcd.cc
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/include/experimental/numeric
trunk/libstdc++-v3/testsuite/experimental/numeric/gcd.cc
trunk/libstdc++-v3/testsuite/experimental/numeric/lcm.cc