re-write exp and log functions #2641

Job	Run time
Build ['ubuntu-20.04', python='3.9']	41m 21s
Build ['ubuntu-20.04', python='3.9']	41m 21s
Build ['windows-latest', python='3.9']	37m 48s
Build ['windows-latest', python='3.9']	37m 48s
Build ['ubuntu-20.04', python='3.10']	39m 17s
Build ['ubuntu-20.04', python='3.10']	39m 17s
Build ['windows-latest', python='3.10']	1h 3m 17s
Build ['windows-latest', python='3.10']	1h 3m 17s
Build ['ubuntu-20.04', python='3.11']	37m 47s
Build ['ubuntu-20.04', python='3.11']	37m 47s
Build ['windows-latest', python='3.11']	58m 4s
Build ['windows-latest', python='3.11']	58m 4s
Test ['windows-latest', python='3.9']	14m 17s
Test ['windows-latest', python='3.9']	14m 17s
Test ['ubuntu-20.04', python='3.9']	12m 4s
Test ['ubuntu-20.04', python='3.9']	8m 37s
Test ['windows-latest', python='3.10']	13m 16s
Test ['windows-latest', python='3.10']	13m 16s
Test ['ubuntu-latest', python='3.9']	12m 30s
Test ['ubuntu-latest', python='3.9']	12m 30s
Test ['windows-latest', python='3.11']	17m 7s
Test ['windows-latest', python='3.11']	17m 7s
Test ['ubuntu-20.04', python='3.10']	10m 0s
Test ['ubuntu-20.04', python='3.10']	10m 0s
Test ['ubuntu-latest', python='3.10']	8m 17s
Test ['ubuntu-latest', python='3.10']	8m 17s
Test ['ubuntu-20.04', python='3.11']	9m 28s
Test ['ubuntu-20.04', python='3.11']	9m 28s
Test ['ubuntu-latest', python='3.11']	10m 23s
Test ['ubuntu-latest', python='3.11']	10m 23s
Upload ['${{ matrix.os }}', python='${{ matrix.python }}']	0s
Upload ['${{ matrix.os }}', python='${{ matrix.python }}']	0s
	12h 46m 25s

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