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Clarify comparison between ceil/expand and floor/trunc #399

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Merged
ariebovenberg merged 1 commit into from
Aug 6, 2026
Merged

Clarify comparison between ceil/expand and floor/trunc #399

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2 changes: 1 addition & 1 deletion docs/guide/rounding.md
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ This results in the following modes:
| `half_expand` | nearest increment | away from zero | 3.5→4, -3.5→-4 |n/a |
| `half_even` | nearest increment | to even | 3.5→4, 4.5→4, | {func}`round` |

For positive values, the behavior of `ceil`/`floor` and `trunc`/`expand` is the same.
For positive values, the behavior of `ceil` is identical to `expand` and the behaviour of `floor` is identical to `trunc`.
The difference is only visible for negative values.

## Supported units
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