[Merged by Bors] - feat: norm_num for Int.ceil

[eric-wieser]

Long ago I tried writing this in leanprover-community/mathlib3#16502 for Lean 3.

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[github-actions]

PR summary a0f0cf4514

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff

+ ceil_def
+ ceil_intCast_div_natCast
+ ceil_natCast_div_natCast
+ evalIntCeil
+ isInt_intCeil
+ isInt_intCeil_ofIsRat
+ isNat_intCeil

You can run this locally as follows

## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

The doc-module for script/declarations_diff.sh contains some details about this script.

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No changes to technical debt.

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

[Ruben-VandeVelde]

I don't speak meta, but this seems to work.

maintainer merge?

[github-actions]

🚀 Pull request has been placed on the maintainer queue by Ruben-VandeVelde.

[kim-em]

bors merge

[mathlib-bors]

Pull request successfully merged into master.

Build succeeded:

• Build
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