[ARROW-11614] [C++][Gandiva] Fix round() logic to return positive zero when argument is zero

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0
• Component/s: C++ - Gandiva
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/27480
• Assignee: Unassigned
• Reporter: Sagnik Chakraborty
• Created: 12/Feb/21 22:07
• Updated: 11/Jan/23 08:20
• Resolved: 15/Feb/21 10:50

Description

Previously, round(0.0) and round(0.0, out_scale) were returning -0.0, with this patch round() returns +0.0

Issue Links

• links to: GitHub Pull Request #9484