Commits
Antoine Pitrou authored d67a210b8c5
ARROW-13617: [C++] Make Decimal representations consistent Factor out some basics of decimal representation and implementation in a generic base class. Closes #12134 from pitrou/ARROW-13617-decimal-common Authored-by: Antoine Pitrou <antoine@python.org> Signed-off-by: Antoine Pitrou <antoine@python.org>