Merge pull request #416 from telephone001/quat_slerp_longest #307

Job	Run time
build_emsdk (Release)	45s
build_wasi_sdk (Release, 19)	26s
build_emsdk (Release, -msimd128)	46s
build_wasi_sdk (Release, 20)	29s
build_emsdk (Release, -msse -msse2 -msimd128)	53s
build_wasi_sdk (Release, -msimd128, 19)	32s
build_emsdk (Release, -msse -msse2 -msse3 -msse4 -msimd128)	50s
build_wasi_sdk (Release, -msimd128, 20)	28s
build_emsdk (Debug)	54s
build_wasi_sdk (Debug, 19)	28s
build_emsdk (Debug, -msimd128)	47s
build_wasi_sdk (Debug, 20)	29s
build_emsdk (Debug, -msse -msse2 -msimd128)	50s
build_wasi_sdk (Debug, -msimd128, 19)	29s
build_emsdk (Debug, -msse -msse2 -msse3 -msse4 -msimd128)	52s
build_wasi_sdk (Debug, -msimd128, 20)	30s
build_emsdk (RelWithDebInfo)	51s
build_wasi_sdk (RelWithDebInfo, 19)	27s
build_emsdk (RelWithDebInfo, -msimd128)	54s
build_wasi_sdk (RelWithDebInfo, 20)	28s
build_emsdk (RelWithDebInfo, -msse -msse2 -msimd128)	53s
build_wasi_sdk (RelWithDebInfo, -msimd128, 19)	29s
build_emsdk (RelWithDebInfo, -msse -msse2 -msse3 -msse4 -msimd128)	55s
build_wasi_sdk (RelWithDebInfo, -msimd128, 20)	35s
build_emsdk (MinSizeRel)	49s
build_emsdk (MinSizeRel, -msimd128)	50s
build_wasi_sdk (MinSizeRel, 19)	28s
build_emsdk (MinSizeRel, -msse -msse2 -msimd128)	49s
build_wasi_sdk (MinSizeRel, 20)	27s
build_emsdk (MinSizeRel, -msse -msse2 -msse3 -msse4 -msimd128)	50s
build_wasi_sdk (MinSizeRel, -msimd128, 19)	29s
build_wasi_sdk (MinSizeRel, -msimd128, 20)	28s
	21m 10s

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