zulip link

In previous version(1.1.4) of mathcomp/real-closed, by the definition of Rcomplex, the users can choose R[i] to be canonical to lmodType R or lmodType R[i].

Definition Rcomplex := complex.
Canonical Rcomplex_eqType (R : eqType) := [eqType of Rcomplex R].
Canonical Rcomplex_countType (R : countType) := [countType of Rcomplex R].
Canonical Rcomplex_choiceType (R : choiceType) := [choiceType of Rcomplex R].
Canonical Rcomplex_zmodType (R : rcfType) := [zmodType of Rcomplex R].
Canonical Rcomplex_ringType (R : rcfType) := [ringType of Rcomplex R].
Canonical Rcomplex_comRingType (R : rcfType) := [comRingType of Rcomplex R].
Canonical Rcomplex_unitRingType (R : rcfType) := [unitRingType of Rcomplex R].
Canonical Rcomplex_comUnitRingType (R : rcfType) := [comUnitRingType of Rcomplex R].
Canonical Rcomplex_idomainType (R : rcfType) := [idomainType of Rcomplex R].
Canonical Rcomplex_fieldType (R : rcfType) := [fieldType of Rcomplex R].
Canonical Rcomplex_lmodType (R : rcfType) :=
  LmodType R (Rcomplex R) (ComplexField.complex_lmodMixin R).

However, in the latest version 2.0.0, the sixth line complex_lmodMixin did not use Rcomplex, resulting in R[i] be canonical to lmodType R by default, and I don't know how to avoid this. In fact, R[i] should be canonical to lmodType R[i] in many cases. For example, R[i] should be normedModType C when considering its topological structure.

Definition Rcomplex := complex.
HB.instance Definition _ (R : eqType) := Equality.on (Rcomplex R).
HB.instance Definition _ (R : countType) := Countable.on (Rcomplex R).
HB.instance Definition _ (R : choiceType) := Choice.on (Rcomplex R).
HB.instance Definition _ (R : rcfType) := GRing.Field.on (Rcomplex R).
HB.instance Definition _ (R : rcfType) := complex_lmodMixin R.
HB.instance Definition _ (R : rcfType) := complex_lalgMixin R.
HB.instance Definition _ (R : rcfType) := GRing.Lalgebra.on (Rcomplex R).

The Coq team released Coq 8.16+rc1 on June 01, 2022.
The corresponding Coq Platform release 2022.09 should be released before September 15, 2022.
It can be delayed in case of difficulties until October 15, 2022, but this should be an exception.

This issue is to inform you that the opam package we are currently testing in Coq Platform CI works fine with Coq 8.16+rc1.

Coq Platform CI is currently testing opam package coq-mathcomp-real-closed.1.1.3
from official repository https://coq.inria.fr/opam/released/packages/coq-mathcomp-real-closed/coq-mathcomp-real-closed.1.1.3/opam.

In case this is the version you want to see in Coq Platform, there is nothing to do for you - please just close this issue.

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The working branch of Coq Platform, can be found here main.
It contains package pick ~8.16+rc1~2022.09~preview1 which already supports Coq version 8.16+rc1 and contains already working (possibly patched / commit pinned) Coq Platform packages.

In case you want to select a different version, please don't close this issue, even after creating the new tag and/or opam package.
We will close the issue after updating Coq Platform.
This is a measure of 'double book keeping' in order to avoid that we ship the wrong version.

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Thanks!

P.S.: this issue has been created automatically based on CI status.

CC: coq/platform#274

The Coq team released Coq 8.14+rc1 on September 17, 2021 and plans to release Coq 8.14.0 before October 31, 2021.
The corresponding Coq Platform release 2021.11 should be released before November 30, 2021.
It can be delayed in case of difficulties until January 31, 2022, but this should be an exception.

This issue is to inform you that the opam package we are currently testing in Coq Platform CI works fine with Coq 8.14+rc1.

Coq Platform CI is currently testing opam package coq-mathcomp-real-closed.1.1.2
from official repository https://coq.inria.fr/opam/released.

In case this is the version you want to see in Coq Platform, there is nothing to do for you - please just close this issue.

In case you would prefer to see an updated or an older version in the upcoming Coq Platform 2021.11, please inform as as soon as possible and before November 15, 2021!

The working branch of Coq Platform, which already supports Coq version 8.14+rc1, can be found here https://github.com/coq/platform/tree/main.

In case you want to select a different version, please don't close this issue, even after creating the new tag and/or opam package.
We will close the issue after updating Coq Platform.
This is a measure of 'double book keeping' in order to avoid that we ship the wrong version.

In any case, Coq Platform won't be released before this issue is closed!

Thanks!

P.S.: this issue has been created automatically based on CI status.

CC: coq/platform#139

Wouldn't this lemma fit into mxalgebra.v?

I just tried to update ssreflect in Debian, and it looks like there are problems. I'll try to dig a little in the coming days. Here are the build logs .

Trying to play with trigonometry formulas, I found the following lemmas on complex numbers useful:

Lemma conjRe: forall z: CC, Re z^* = Re z.
Proof.
by move=> [a b].
Qed.

Lemma conjIm: forall z: CC, Im z^* = -Im z.
Proof.
by move=> [a b].
Qed.

Lemma mulRe: forall w z: CC, Re (w * z) = (Re w) * (Re z) - (Im w) * (Im z).
Proof.
by move=> [a b] [c d].
Qed.

Lemma mulIm: forall w z: CC, Im (w * z) = (Re w) * (Im z) + (Im w) * (Re z).
Proof.
by move=> [a b] [c d].
Qed.

The Coq team released Coq 8.15.0 on January 13, 2022.
The corresponding Coq Platform release 2022.02 should be released before February 28, 2022.
It can be delayed in case of difficulties until April 11, 2022, but this should be an exception.

This issue is to inform you that the opam package we are currently testing in Coq Platform CI works fine with Coq 8.15.0.

Coq Platform CI is currently testing opam package coq-mathcomp-real-closed.1.1.2
from official repository https://coq.inria.fr/opam/released/packages/coq-mathcomp-real-closed/coq-mathcomp-real-closed.1.1.2/opam.

In case this is the version you want to see in Coq Platform, there is nothing to do for you - please just close this issue.

In case you would prefer to see an updated or an older version in the upcoming Coq Platform 2022.02, please inform us as soon as possible and before February 14, 2022!

The working branch of Coq Platform, which already supports Coq version 8.15.0, can be found here https://github.com/coq/platform/tree/main.

In case you want to select a different version, please don't close this issue, even after creating the new tag and/or opam package.
We will close the issue after updating Coq Platform.
This is a measure of 'double book keeping' in order to avoid that we ship the wrong version.

In any case, Coq Platform won't be released before this issue is closed!

Thanks!

P.S.: this issue has been created automatically based on CI status.

CC: coq/platform#193

Playing with complex numbers, I can't help but notice that some computations are pretty ugly:

From mathcomp Require Import all_ssreflect all_algebra.
From mathcomp.real_closed Require Import complex realalg.

Import GRing GRing.Field.

Set Implicit Arguments.
Unset Strict Implicit.
Unset Printing Implicit Defensive.

Open Scope ring_scope.
Open Scope complex_scope.

Definition RR := { realclosure rat }.
Definition CC := complex RR.

Section EasyTests.

(* too ugly, report! *)
Compute Re (1+i*1).
Compute 'i * 'i.
Compute 'i + 'i.
Compute 'i^*.

End EasyTests.

There's also a lemma where I have the following line, just for 'i * 'i = -1:

rewrite -[(_ +i* _) * (_ +i* _)]/(_ +i* _) !mul0r mulr0 mulr1 !add0r complexr0 in H.

Perhaps there's something to be done to improve matters?

https://ci.inria.fr/coq/view/benchmarking/job/benchmark-part-of-the-branch/567/console

File "./theories/complex.v", line 1245, characters 36-57:
Error: The reference closed_fields_QEMixin was not found in the current
environment.

I guess some import changed at some point?

We should investigate why using [rel x y | e x z] in path breaks real closed.

Originally posted by @chdoc in math-comp/math-comp#788 (review)

Currently https://github.com/coq/opam-coq-archive/blob/master/released/packages/coq-mathcomp-real-closed/coq-mathcomp-real-closed.1.1.3/opam conflicts with 1.16

The Coq team released Coq 8.17+rc1 on December 29th, 2022 and plans to release Coq 8.17.0 around March 7th, 2023.
The corresponding Coq Platform release 2023.03 should be released before April 14th, 2023.
It can be delayed in case of difficulties until June 30, 2023, but this should be an exception.

This issue is to inform you that to our (possibly a few days old) best knowledge the latest released version of your project (1.1.3) does not work with Coq 8.17+rc1.
We tried to remove version restrictions in opam files and possibly make or configure files, but this did not suffice.

Please note that in Coq Platform CI (unlike Coq CI) we test only released / tagged versions. Coq CI appears to test this project, but has some special handling for your project which makes it difficult to retrieve the commit it tests for your project.

Could you please create a tag and opam package, or communicate us any existing tag that works with Coq branch v8.17, preferably before March 21st, 2023?
In case we might have to delay the Coq Platform release cause of issues with your project, we would prefer to be informed about the situation as early as possible.

In case the tag and opam package are available before March 21st, 2023, it will be included in an early Coq Platform beta release of the for Coq 8.17+rc1.

The working branch of Coq Platform, can be found here main.
It contains package pick ~8.17~2023.03+preview1 which already supports Coq version 8.17+rc1 and contains already working (possibly patched / commit pinned) Coq Platform packages.

Please don't close this issue, even after creating the new tag and/or opam package.
We will close the issue after updating Coq Platform.
This is a measure of 'double book keeping' in order to avoid that we ship the wrong version.

In any case, Coq Platform won't be released before this issue is closed!

Thanks!

P.S.: this issue has been created automatically based on CI status.

CC: coq/platform#335

When compiling with coq 8.8 and 8.9 (beta, I didn't check 8.9.0 yet), theories/realalg.v fails to compile with
the following message (at line 976 in ler_to_alg):

Ltac call to "apply (ssrapplyarg)" failed.
Ltac call to "apply (ssrapplyarg)" failed.
No assumption in (?s (to_alg_def (Phant F) x) = x)