feat: Add direction on bc function #218

Job	Run time
pre-commit	24s
cppcheck	1m 57s
macos-mamba	6m 2s
linux-mamba (gcc-9, gcc, gcc-9 g++-9, gcc-9, g++-9)	12m 18s
linux-mamba (gcc-10, gcc, gcc-10 g++-10, gcc-10, g++-10)	11m 57s
linux-mamba (gcc-11, gcc, gcc-11 g++-11, gcc-11, g++-11)	12m 16s
linux-mamba (gcc-12, gcc, gcc-12 g++-12, gcc-12, g++-12)	12m 15s
linux-mamba (clang-11, clang, clang-11, clang-11, clang++-11)	12m 17s
linux-mamba (clang-12, clang, clang-12, clang-12, clang++-12)	12m 17s
linux-mamba (clang-13, clang, clang-13, clang-13, clang++-13)	12m 16s
linux-mamba (clang-14, clang, clang-14, clang-14, clang++-14)	12m 21s
	1h 46m 20s

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