feat: Add direction on bc function #222

Job	Run time
pre-commit	15s
cppcheck	2m 0s
macos-mamba	13m 54s
linux-mamba (gcc-9, gcc, gcc-9 g++-9, gcc-9, g++-9)	24m 8s
linux-mamba (gcc-10, gcc, gcc-10 g++-10, gcc-10, g++-10)	17m 36s
linux-mamba (gcc-11, gcc, gcc-11 g++-11, gcc-11, g++-11)	19m 18s
linux-mamba (gcc-12, gcc, gcc-12 g++-12, gcc-12, g++-12)	18m 39s
linux-mamba (clang-11, clang, clang-11, clang-11, clang++-11)	23m 32s
linux-mamba (clang-12, clang, clang-12, clang-12, clang++-12)	19m 12s
linux-mamba (clang-13, clang, clang-13, clang-13, clang++-13)	23m 20s
linux-mamba (clang-14, clang, clang-14, clang-14, clang++-14)	19m 9s
	3h 1m 3s

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