feat(CategoryTheory/Triangulated/TStructure): more on truncLT and truncGE

[joelriou]

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[github-actions]

PR summary 99884c2730

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

---

Declarations diff

+ from_truncGE_obj_ext
+ instance (X : C) (n : ℤ) : t.IsGE ((t.truncGE n).obj X) n
+ instance (X : C) (n : ℤ) : t.IsLE ((t.truncLT (n + 1)).obj X) n
+ instance (X : C) (n : ℤ) : t.IsLE ((t.truncLT n).obj X) (n - 1)
+ instance (X : C) (n : ℤ) [t.IsGE X n] : IsIso ((t.truncGEπ n).app X) := by
+ instance (n : ℤ) : t.IsGE (0 : C) n := t.isGE_of_isZero (isZero_zero C) n
+ instance (n : ℤ) : t.IsLE (0 : C) n := t.isLE_of_isZero (isZero_zero C) n
+ isGE_iff_isIso_truncGEπ_app
+ isGE_iff_isZero_truncLT_obj
+ isGE_of_isZero
+ isGE_truncGE_obj
+ isLE_iff_isIso_truncLTι_app
+ isLE_iff_isZero_truncGE_obj
+ isLE_of_isZero
+ isLE_truncLT_obj
+ isZero_truncGE_obj_of_isLE
+ isZero_truncLT_obj_of_isGE
+ liftTruncLT
+ liftTruncLT_aux
+ liftTruncLT_ι
+ natTransTriangleLTGEOfLE
+ natTransTriangleLTGEOfLE_refl
+ natTransTriangleLTGEOfLE_trans
+ natTransTruncGEOfLE
+ natTransTruncGEOfLE_refl
+ natTransTruncGEOfLE_refl_app
+ natTransTruncGEOfLE_trans
+ natTransTruncGEOfLE_trans_app
+ natTransTruncLTOfLE
+ natTransTruncLTOfLE_refl
+ natTransTruncLTOfLE_refl_app
+ natTransTruncLTOfLE_trans
+ natTransTruncLTOfLE_trans_app
+ natTransTruncLTOfLE_ι
+ natTransTruncLTOfLE_ι_app
+ to_truncLT_obj_ext
+ triangleFunctorNatTransOfLE
+ triangleFunctorNatTransOfLE_app_hom₂
+ triangleFunctorNatTransOfLE_refl
+ triangleFunctorNatTransOfLE_trans
+ triangleMapOfLE
+ truncGE_map_truncGEπ_app
+ truncGEδLT_comp_natTransTruncLTOfLE_app
+ truncGEδLT_comp_truncLTι
+ truncGEδLT_comp_truncLTι_app
+ truncGEδLT_comp_whiskerRight_natTransTruncLTOfLE
+ truncGEπ_comp_truncGEδLT
+ truncGEπ_comp_truncGEδLT_app
+ truncGEπ_naturality
+ truncLT_map_truncLTι_app
+ truncLTι_comp_truncGEπ
+ truncLTι_comp_truncGEπ_app
+ π_natTransTruncGEOfLE
+ π_natTransTruncGEOfLE_app
- instance (X : C) (n : ℤ) : t.IsGE ((t.truncGE n).obj X) n := by
- instance (X : C) (n : ℤ) : t.IsLE ((t.truncLT n).obj X) (n - 1) := by

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 scripts/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).