F wrapper and bugfix #3146

Job	Run time
ubuntu-clang-deprecated Debug	22m 2s
ubuntu-clang-deprecated Release	22m 46s
ubuntu-clang-quaternions Debug	22m 1s
ubuntu-clang-quaternions Release	23m 26s
ubuntu-clang-tbb Debug	23m 13s
ubuntu-clang-tbb Release	24m 4s
ubuntu-clang-cayleymap Debug	21m 29s
ubuntu-clang-cayleymap Release	23m 20s
ubuntu-clang-system-libs Debug	21m 52s
ubuntu-clang-system-libs Release	22m 51s
ubuntu-no-boost Debug	21m 22s
ubuntu-no-boost Release	22m 34s
ubuntu-no-unstable Debug	17m 59s
ubuntu-no-unstable Release	18m 53s
	5h 7m 52s

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