Rewrite CMakeLists for istl-solver-playground

See merge request core/dune-istl!507

Implement functions in SequentialInformation

See merge request core/dune-istl!494

[test] Add missing return in main

See merge request core/dune-istl!505

Unused variable warning indicated this oversight

Adapt changelog after release

See merge request core/dune-istl!504

Feature/pip install git master

See merge request core/dune-istl!503

Merge branch 'release29/license' into 'releases/2.9'

See merge request core/dune-istl!500

[bugfix] dune-common module version dependency.

See merge request core/dune-istl!501

update author list in license file

See merge request core/dune-istl!499

(cherry picked from commit 9108fc58ebbcf40305cb7ea1a8f28808b47adc16)

27471991 update author list in license file

[cleanup] Remove signed integer comparison warning.

See merge request core/dune-istl!497

[cmake][python] Replace deprecated dune_python_install_package

See merge request core/dune-istl!488

add SPDX information

See merge request core/dune-istl!490

dune.module: bump version to 2.10-git

See merge request core/dune-istl!491

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

Fixes segfault for least squares problems with SPQR

See merge request core/dune-istl!489

Allow SVG writer to have empty rows and cols

See merge request core/dune-istl!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[doc] Remove outdated reference to dune-dd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 core/dune-istl!483

Fix memory leak on BCRSMatrix

Closes #103

See merge request core/dune-istl!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 core/dune-istl!410

Create sparse matrix with contiguous memory for MatrixMarket.

See merge request core/dune-istl!481

Use dune_add_test properly

See merge request core/dune-istl!475