Mark __does_policy_contain as 'inline'. Thanks to Chongyu Zhu for the catch

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@193962 91177308-0d34-0410-b5e6-96231b3b80d8
Better inline marking for __does_policy_contain. Thanks to Chongyu Zhu for the catch

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@193963 91177308-0d34-0410-b5e6-96231b3b80d8
Refactor floating point code for num_get::do_get into a template. No functionality change

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@194080 91177308-0d34-0410-b5e6-96231b3b80d8