Update ceil and floor function (#3710)
* Update ceil and floor function
* add end line
* updating DIRECTORY.md
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> D
Du Yuanchao committed
81b82bea47df8ae8368ce293a3d5af7fb8de23f3
Parent: 1b5c1b8
Committed by GitHub <noreply@github.com>
on 10/25/2020, 4:02:24 PM