diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 000000000..0f1af3f97 --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,17 @@ +# Changelog + +## [0.3.0] - 2020-05-?? + +This release is compatible with MathComp version 1.11.0+beta1 + +### Added + +### Changed + +### Renamed + +### Removed + +### Infrastructure + +### Misc diff --git a/CHANGELOG_UNRELEASED.md b/CHANGELOG_UNRELEASED.md new file mode 100644 index 000000000..616187d7e --- /dev/null +++ b/CHANGELOG_UNRELEASED.md @@ -0,0 +1,85 @@ +# Changelog (unreleased) + +## [Unreleased] + +The biggest change of this release is compatibility with MathComp +1.11.0. The latter introduces in particular ordered types. The +notation for the norm is now uniform. + +### Added + +- `sequences.v`: Main theorems about sequences and series, and examples + + Definitions: + * `[sequence E]_n` is a special notation for `fun n => E` + * `series u_` is the sequence of partial sums + * `[normed S]` is the series of absolute values, if S is a series + * `harmonic` is the name of a sequence, + apply `series` to them to get the series. + + Theorems: + * lots of helper lemmas to prove convergence of sequences + * convergence of harmonic sequence + * convergence of a series implies convergence of a sequence + * absolute convergence implies convergence of series +- in `ereal.v`: lemmas about extended reals' arithmetic +- in `normedtype.v`: Definitions and lemmas about generic domination, + boundedness, and lipschitz + + See header for the notations and their localization + + Added a bunch of combinators to extract existential witnesses + + Added `filter_forall` (commutation between a filter and finite forall) +- about extended reals: + + equip extended reals with a structure of topological space + + show that extended reals are hausdorff +- in `topology.v`, predicate `close` +- lemmas about bigmaxr and argmaxr + + `\big[max/x]_P F = F [arg max_P F]` + + similar lemma for `bigmin` +- lemmas for `within` +- add `setICl` (intersection of set with its complement) +- `prodnormedzmodule.v` + + `ProdNormedZmodule` transfered from MathComp + + `nonneg` type for non-negative numbers +- `bigmaxr`/`bigminr` library +- Lemmas `interiorI`, `setCU` (complement of union is intersection of complements), + `setICl`, `nonsubset`, `setC0`, `setCK`, `setCT`, `preimage_setI/U`, lemmas about `image` + +### Changed + +- in `Rstruct.v`, `bigmaxr` is now defined using `bigop` +- `inE` now supports `in_setE` and `in_fsetE` +- fix the definition of `le_ereal`, `lt_ereal` +- various generalizations to better use the hierarchy of `ssrnum` (`numDomainType`, + `numFieldType`, `realDomainType`, etc. when possible) in `topology.v`, + `normedtype.v`, `derive.v`, etc. + +### Renamed + +- big refactoring about naming conventions + + complete the theory of `cvg_`, `is_cvg_` and `lim_` in normedtype.v + with consistent naming schemes + + fixed differential of `inv` which was defined on `1 / x` instead of `x^-1` + + two versions of lemmas on inverse exist + * one in realType (`Rinv_` lemmas), for which we have differential + * one in numClosedFieldType (no differential so far, just continuity) + + renamed `cvg_norm` to `cvg_dist` to reuse the name `cvg_norm` for + convergence under the norm +- rename `is_prop` to `is_subset1` +- renaming `flim` to `cvg` + + `cvg` corresponds to `_ --> _` + + `lim` corresponds to `lim _` + + `continuous` corresponds to continuity + + some suffixes `_opp`, `_add` ... renamed to `N`, `D`, ... +- `Uniform` renamed to `PseudoMetric` + +### Removed + +- `sub_trans` (replaced by MathComp's `subrKA`) +- `derive.v` does not require `Reals` anymore +- `Rbar.v` is almost not used anymore + +### Infrastructure + +- NIX support + + see `config.nix`, `default.nix` + + for the CI also + +### Misc