F wrapper and bugfix #3144

Job	Run time
ubuntu-clang-deprecated Debug	24m 49s
ubuntu-clang-deprecated Release	23m 20s
ubuntu-clang-quaternions Debug	22m 48s
ubuntu-clang-quaternions Release	22m 36s
ubuntu-clang-tbb Debug	23m 14s
ubuntu-clang-tbb Release	24m 37s
ubuntu-clang-cayleymap Debug	21m 31s
ubuntu-clang-cayleymap Release	22m 58s
ubuntu-clang-system-libs Debug	21m 40s
ubuntu-clang-system-libs Release	23m 45s
ubuntu-no-boost Debug	22m 0s
ubuntu-no-boost Release	23m 15s
ubuntu-no-unstable Debug	18m 29s
ubuntu-no-unstable Release	18m 23s
	5h 13m 25s

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