is_genus for torsion quadratic modules

[simonbrandhorst]

Add a method is_genus(self, signature, even=True) for
sage.modules.torsion_quadratic_modules.TorsionQuadraticForm
that returns if there exists an integral lattice with given signature and torsion quadratic form.

Depends on #24576
Depends on #24035

Component: quadratic forms

Author: Simon Brandhorst

Branch/Commit: b2d59b5

Reviewer: Paolo Menegatti

Issue created by migration from https://trac.sagemath.org/ticket/24577

[simonbrandhorst]

Branch: u/sbrandhorst/is_genus_for_torsion_quadratic_modules

[sagetrac-git]

Commit: a82b4b3

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

a82b4b3

Merge branch 'develop' of git://trac.sagemath.org/sage into t/24577/is_genus_for_torsion_quadratic_modules

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

1ccb5cd	Merge branch 'develop' of git://trac.sagemath.org/sage into t/24577/is_genus_for_torsion_quadratic_modules
5598294	Cosmetic changes.

[sagetrac-git]

Changed commit from a82b4b3 to 5598294

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

2251c52

Added doctest.

[sagetrac-git]

Changed commit from 5598294 to 2251c52

[sagetrac-git]

Changed commit from 2251c52 to 266391f

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

4825174	Fixed a bug in normal_form of a torsion_quadratic_module
893ba1c	trivial doc change
266391f	Resolved merge conflict in imports

[sagetrac-git]

Changed commit from 266391f to c9fddba

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

c9fddba

Formatting

[simonbrandhorst]

Author: Simon Brandhorst

[sagetrac-git]

Changed commit from c9fddba to 6a19d64

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

6a19d64

Merge branch 'develop' into t/24577/is_genus_for_torsion_quadratic_modules

[sagetrac-pmenegat]

Changed branch from u/sbrandhorst/is_genus_for_torsion_quadratic_modules to u/pmenegat/is_genus_for_torsion_quadratic_modules

[sagetrac-git]

Changed commit from 6a19d64 to b2d59b5

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

b2d59b5

Check if the signature is positive

[fchapoton]

comment:13

missing reviewer full name

[sagetrac-pmenegat]

Reviewer: Paolo Menegatti

[vbraun]

Changed branch from u/pmenegat/is_genus_for_torsion_quadratic_modules to b2d59b5