[Merged by Bors] - chore(Order/Group/Abs): use @[to_additive]

[urkud]

---

[github-actions]

PR summary f94fd59ad5

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

---

Declarations diff

+ div_le_of_mabs_div_le_left
+ div_le_of_mabs_div_le_right
+ div_lt_of_mabs_div_lt_left
+ div_lt_of_mabs_div_lt_right
+ eq_of_mabs_div_eq_one
+ eq_of_mabs_div_le_all
+ eq_of_mabs_div_le_one
+ eq_of_mabs_div_lt_all
+ inv_le_of_mabs_le
+ le_mabs'
+ le_of_mabs_le
+ mabs_cases
+ mabs_div
+ mabs_div_le
+ mabs_div_le_iff
+ mabs_div_le_of_le_of_le
+ mabs_div_le_of_one_le_of_le
+ mabs_div_le_one
+ mabs_div_lt_iff
+ mabs_div_lt_of_one_le_of_lt
+ mabs_div_mabs_le_mabs_div
+ mabs_div_pos
+ mabs_eq
+ mabs_eq_inv_self
+ mabs_eq_self
+ mabs_le
+ mabs_le_max_mabs_mabs
+ mabs_mabs_div_mabs_le_mabs_div
+ mabs_max_le_max_mabs_mabs
+ mabs_min_le_max_mabs_mabs
+ mabs_mul
+ mabs_mul'
+ mabs_mul_three
+ max_one_mul_max_inv_one_eq_mabs_self
+ min_mabs_mabs_le_mabs_max
+ min_mabs_mabs_le_mabs_min
- abs_abs_sub_abs_le_abs_sub
- abs_add
- abs_add'
- abs_add_three
- abs_cases
- abs_eq
- abs_eq_neg_self
- abs_eq_self
- abs_le
- abs_le_max_abs_abs
- abs_max_le_max_abs_abs
- abs_min_le_max_abs_abs
- abs_sub
- abs_sub_abs_le_abs_sub
- abs_sub_le
- abs_sub_le_iff
- abs_sub_le_of_nonneg_of_le
- abs_sub_lt_iff
- abs_sub_lt_of_nonneg_of_lt
- abs_sub_nonpos
- abs_sub_pos
- eq_of_abs_sub_eq_zero
- eq_of_abs_sub_le_all
- eq_of_abs_sub_lt_all
- eq_of_abs_sub_nonpos
- le_abs'
- le_of_abs_le
- max_zero_add_max_neg_zero_eq_abs_self
- min_abs_abs_le_abs_max
- min_abs_abs_le_abs_min
- neg_le_of_abs_le
- sub_le_of_abs_sub_le_left
- sub_le_of_abs_sub_le_right
- sub_lt_of_abs_sub_lt_left
- sub_lt_of_abs_sub_lt_right

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.

---

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).

[pechersky]

LGTM, thanks for making this more consistent.

It's too bad git diff view isn't able to well recognize exactly how to align the two file versions.

[YaelDillies]

Thanks! 🚀

maintainer merge

[github-actions]

🚀 Pull request has been placed on the maintainer queue by YaelDillies.

[riccardobrasca]

Thanks!

bors merge

[mathlib-bors]

Pull request successfully merged into master.

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