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Part of this PR was automatically generated by running dev/doc/update-compat.py --master
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and max to CoRN.
Update stdlib index
Remove ConstructiveSum from the index
Add changelog entry
Make constructive reals experimental
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Ack-by: Zimmi48
Ack-by: anton-trunov
Reviewed-by: herbelin
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Indeed, it would be intuitive that `Require Import Ltac` is an
equivalent for Ltac of `Require Import Ltac2.Ltac2`.
Also declaring the classic proof mode.
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(following the pattern of Permutation.v)
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- Added derivative for asin and acos
- Added a few additional trigonometry lemmas
- Added Lemmas for the derivative of a decreasing inverse function
- Did some cleanup (move lemmas to the files where they belong)
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ConstructiveReals into new directory Abstract. Remove imports of implementations inside those Abstract files.
Add changelog for constructive reals cleanup
Move Cauchy reals into new directory Cauchy
Update stdlib index
Rename sum_f_R0
Use coqdoc comments
Update doc/changelog/10-standard-library/11725-cleanup-reals.rst
Co-Authored-By: Hugo Herbelin <herbelin@users.noreply.github.com>
Update doc/changelog/10-standard-library/11725-cleanup-reals.rst
Co-Authored-By: Hugo Herbelin <herbelin@users.noreply.github.com>
Update doc/changelog/10-standard-library/11725-cleanup-reals.rst
Co-Authored-By: Hugo Herbelin <herbelin@users.noreply.github.com>
Improve notations
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Currently, `.v` under the `Coq.` prefix are found in both `theories`
and `plugins`. Usually these two directories are merged by special
loadpath code that allows double-binding of the prefix.
This adds some complexity to the build and loadpath system; and in
particular, it prevents from handling the `Coq.*` prefix in the
simple, `-R theories Coq` standard way.
We thus move all `.v` files to theories, leaving `plugins` as an
OCaml-only directory, and modify accordingly the loadpath / build
infrastructure.
Note that in general `plugins/foo/Foo.v` was not self-contained, in
the sense that it depended on files in `theories` and files in
`theories` depended on it; moreover, Coq saw all these files as
belonging to the same namespace so it didn't really care where they
lived.
This could also imply a performance gain as we now effectively
traverse less directories when locating a library.
See also discussion in #10003
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Commit auto-generated by running dev/tools/update-compat.py --release.
As per release doc this must be run at some point before branching
(not necessarily close to the branching date).
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This partially fixes #10139 ; we now build the Ltac2 documentation and
deploy it.
The fix here can be used for inspiration to do the make-based part.
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This should ideally have been done before the 8.11 branching.
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relation
Reviewed-by: gares
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extensionality
Ack-by: JasonGross
Ack-by: Zimmi48
Ack-by: herbelin
Ack-by: maximedenes
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homotopy propositions and homotopy sets. Rename local variable R in test Nsatz, to avoid a name collision with the type of real numbers.
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Prove that morphisms preserve additions
Fix stdlib index
Prove that constructive real morphisms preserve multiplications by integers
Prove that constructive real morphisms preserve multiplications by rationals
Prove CReal_mult_pos_appart_zero
Prove that constructive real morphisms preserve multiplications
Prove that constructive real morphisms preserve divisions
Rewrite convergence in sort Prop, to extract smaller programs
Rewrite convergence on integers, to extract smaller programs
Fix typos
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Cauchy reals
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Changes:
* Add ssrclasses.v that redefines [Reflexive] and [iff_Reflexive];
* Add ssrsetoid.v that links
[ssrclasses.Reflexive] and [RelationClasses.Reflexive];
* Add [Require Coq.ssr.ssrsetoid] in Setoid.v;
* Update ssrfwd.ml accordingly, using a helper file ssrclasses.ml that
ports some non-exported material from rewrite.ml;
* Some upside in passing: ssrfwd.ml no more depends on Ltac_plugin;
* Update doc and tests as well.
Summary:
* We can now use the under tactic in two flavors:
- with the [eq] or [iff] relations: [Require Import ssreflect.]
- or a [RewriteRelation]: [Require Import ssreflect. Require Setoid.]
(while [ssreflect] does not require [RelationClasses] nor [Setoid],
and conversely [Setoid] does not require [ssreflect]).
* The file ssrsetoid.v could be skipped when porting under to stdlib2.
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Ack-by: Zimmi48
Ack-by: silene
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Redefine classical real numbers as a quotient of those constructive real numbers.
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This removes various compatibility notations.
Closes #8374
This commit was mostly created by running `./dev/tools/update-compat.py
--release`. There's a bit of manual spacing adjustment around all of the
removed compatibility notations, and some test-suite updates were done
manually.
The update to CHANGES.md was manual.
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This work makes it possible to take advantage of a compact
representation for integers in the entire system, as opposed to only
in some reduction machines. It is useful for heavily computational
applications, where even constructing terms is not possible without such
a representation.
Concretely, it replaces part of the retroknowledge machinery with
a primitive construction for integers in terms, and introduces a kind of
FFI which maps constants to operators (on integers). Properties of these
operators are expressed as explicit axioms, whereas they were hidden in
the retroknowledge-based approach.
This has been presented at the Coq workshop and some Coq Working Groups,
and has been used by various groups for STM trace checking,
computational analysis, etc.
Contributions by Guillaume Bertholon and Pierre Roux <Pierre.Roux@onera.fr>
Co-authored-by: Benjamin Grégoire <Benjamin.Gregoire@inria.fr>
Co-authored-by: Vincent Laporte <Vincent.Laporte@fondation-inria.fr>
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This commit was created via `./dev/tools/update-compat.py --master`
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Users can now register string notations for custom inductives.
Much of the code and documentation was copied from numeral notations.
I chose to use a 256-constructor inductive for primitive string syntax
because (a) it is easy to convert between character codes and
constructors, and (b) it is more efficient than the existing `ascii`
type.
Some choices about proofs of the new `byte` type were made based on
efficiency. For example, https://github.com/coq/coq/issues/8517 means
that we cannot simply use `Scheme Equality` for this type, and I have
taken some care to ensure that the proofs of decidable equality and
conversion are fast. (Unfortunately, the `Init/Byte.v` file is the
slowest one in the prelude (it takes a couple of seconds to build), and
I'm not sure where the slowness is.)
In String.v, some uses of `0` as a `nat` were replaced by `O`, because
the file initially refused to check interactively otherwise (it
complained that `0` could not be interpreted in `string_scope` before
loading `Coq.Strings.String`).
There is unfortunately a decent amount of code duplication between
numeral notations and string notations.
I have not put too much thought into chosing names; most names have been
chosen to be similar to numeral notations, though I chose the name
`byte` from
https://github.com/coq/coq/issues/8483#issuecomment-421671785.
Unfortunately, this feature does not support declaring string syntax for
`list ascii`, unless that type is wrapped in a record or other inductive
type. This is not a fundamental limitation; it should be relatively
easy for someone who knows the API of the reduction machinery in Coq to
extend both this and numeral notations to support any type whose hnf
starts with an inductive type. (The reason for needing an inductive
type to bottom out at is that this is how the plugin determines what
constructors are the entry points for printing the given notation.
However, see also https://github.com/coq/coq/issues/8964 for
complications that are more likely to arise if inductive type families
are supported.)
N.B. I generated the long lists of constructors for the `byte` type with
short python scripts.
Closes #8853
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Mostly via `dev/tools/update-compat.py --cur-version=8.9`
We just remove test-suite/success/FunindExtraction_compat86.v because,
except for the `Extraction iszero.` line at the bottom, it is a
duplicate of `test-suite/success/Funind.v` (except with `-compat 8.6`).
We also manually update a number of test-suite files to pre-emptively
remove compatibility notations (which used to be compat 8.6, but are now
compat 8.7).
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This parsing/printing method for nat should be just as fast as
the previous dedicated code. Moreover, we could now parse large
literals as nat numbers, by leaving them in a half-abstract form
such as (Nat.of_uint 123456). This form is convertible to the
closed (S (S (S ...))) form, so it shouldn't be a big deal for
compatibility, except for if some Ltac stuff relies on (S ...) to be
present after parsing. Of course, forcing the computation of
a (Nat.of_uint ....) may take a while or raise a Stack Overflow.
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This closes #6598
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See now https://github.com/coq/bignums
Int31 is still in the stdlib.
Some proofs there has be adapted to avoid the need for BigNumPrelude.
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