Merge branch 'issue/fill-sequential-information' into 'master'

See merge request !506

Implement functions in SequentialInformation

See merge request !494

(cherry picked from commit be325ec0)

5325cd09 Implement functions in SequentialInformation

change title of changelog to release 2.9

See merge request !502

update author list in license file

See merge request !499

Merge branch 'feature/remove-dune_python_install_package' into 'master'

See merge request !496

[cmake][python] Replace deprecated dune_python_install_package

See merge request !488

(cherry picked from commit 401f9582)

d8af376c [cmake][python] Replace deprecated dune_python_install_package

Merge branch 'fix-lsq-bug' into 'master'

See merge request !495

Christian Engwer authored 2 years ago and Robert K committed 2 years ago

Fixes segfault for least squares problems with SPQR

See merge request !489

(cherry picked from commit 9a72de2d)

d5eba453 Allow SPQR solver to work with non-square matrices

.gitlab-ci.yml: include configuration for releases/2.9 branch

See merge request !492

add machine-readable copyright and license information

See merge request !493

See https://reuse.software/ for a description.

Allow SVG writer to have empty rows and cols

See merge request !484

Nested sparse matrices were not allowed to have empty rows/cols. By choosing the minimum offset of other blocks, we get an educated guess for these cases.

[doc] Remove outdated reference to dune-dd

See merge request !483

Fix memory leak on BCRSMatrix

Closes #103

See merge request !482

Before this commit, the pattern was deallocated with the wrong size that created a huge memory leak.

playground executable for experimenting with solvers and preconditioners

See merge request !410

Create sparse matrix with contiguous memory for MatrixMarket.

See merge request !481

Use dune_add_test properly

See merge request !475

[amg] fix w-cycle

See merge request !474

The current behavior (allocating each row separately ) is rather
surprising and unnecessary as the matrix market file stores the
number of nonzeros anyway. Hence we now pass this number to
BCRSMatrix::SetSize to get the most efficient behavior

Const correctness in iterative solvers

See merge request !421

[cleanup][cmake] Remove CMAKE_METADATA_FILE.

See merge request !479

Remove unused-parameter warnings

See merge request !472

Add inline to splitFilename

See merge request !477

Fix inconsistency in matrixmarket file IO

See merge request !465

[bugfix] value name for creating amg criterions from parametertree preSteps->postSteps

See merge request !473