Merge pull request #626 from brechtvl/fix-precise-div-sqrt #22

Job	Run time
host-win-msvc	1m 49s
host-arm (armv7, none, none, g++-10)	3m 27s
host-win (x86_64)	58s
host-arm (armv7, none, none, clang++-11)	3m 36s
coding-style	24s
host-x86 (x86_64, g++-10)	1m 54s
host-win (armv7)	40s
host-arm (aarch64, none, none, g++-10)	2m 59s
host-x86 (x86_64, clang++-11)	41s
host-win (aarch64)	38s
host-arm (aarch64, none, none, clang++-11)	3m 32s
host-arm (aarch64, crypto+crc, none, g++-10)	2m 45s
host-arm (aarch64, crypto+crc, none, clang++-11)	3m 37s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, g++-10)	3m 34s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, clang++-11)	3m 38s
test-win-msvc	53s
	35m 5s

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