[ARROW-13536] [C++] Use decimal point-aware conversion from fast_float

• Type: Task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/29188
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 03/Aug/21 13:10
• Updated: 11/Jan/23 08:33
• Resolved: 02/Dec/21 11:07

Description

The vendored fast_float library recently added an option to change the decimal point, which we may reuse in the CSV converter instead of translating the input:
https://github.com/fastfloat/fast_float/pull/91

Issue Links

• links to: GitHub Pull Request #11817