Commits
David Li authored and Yibo Cai committed dfb0928e91c
ARROW-13096: [C++] Implement logarithm compute functions Adds ln, log10, and log2. We could add a log1e and/or a logN if useful (probably not?) Has some code from/will conflict with #10544. Closes #10567 from lidavidm/arrow-13096 Authored-by: David Li <li.davidm96@gmail.com> Signed-off-by: Yibo Cai <yibo.cai@arm.com>