Landing: 9a135e85c2e6

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Project / Subsystem

gcc / cobol

Date

2026-09-05

Author

Robert Dubner

Commit

9a135e85c2e6543031657ce637e22e1eab004493

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: cobol
patch_id: —
commit_hash: 9a135e85c2e6543031657ce637e22e1eab004493
source_type: github
headline: Cobol rounding modes are repaired.
tldr: Fixes incorrect rounding in COBOL arithmetic operations.
author: Robert Dubner
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • cobol
• bugfix
• arithmetic
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/9a135e85c2e6543031657ce637e22e1eab004493
date: 2026-09-05T00:00:00.000Z

COBOL supports eight rounding modes for arithmetic operations. Recent testing revealed errors in these modes, which this commit corrects. The rounding routine has been moved from libgcobol.cc to gmath.cc to improve organization.