r240656 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.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