]> https://gitweb.dealii.org/ - dealii.git/log
dealii.git
2 years agoMake sure tests do not depend on SIMD: disable linear polynomial 13310/head
Martin Kronbichler [Sat, 29 Jan 2022 09:45:41 +0000 (10:45 +0100)]
Make sure tests do not depend on SIMD: disable linear polynomial

2 years agoAdd test case
Martin Kronbichler [Fri, 28 Jan 2022 21:26:17 +0000 (22:26 +0100)]
Add test case

2 years agoSpeed up evaluation of RefSpaceFEFieldFunction
Martin Kronbichler [Fri, 28 Jan 2022 13:52:08 +0000 (14:52 +0100)]
Speed up evaluation of RefSpaceFEFieldFunction

2 years agoMerge pull request #13296 from bangerth/is_detected
Martin Kronbichler [Fri, 28 Jan 2022 08:50:08 +0000 (09:50 +0100)]
Merge pull request #13296 from bangerth/is_detected

Follow-up to is_detected.

2 years agoMerge pull request #13300 from bangerth/namespace
Martin Kronbichler [Fri, 28 Jan 2022 08:48:54 +0000 (09:48 +0100)]
Merge pull request #13300 from bangerth/namespace

Avoid 'using namespace' declarations.

2 years agoMerge pull request #13299 from bangerth/std
Martin Kronbichler [Fri, 28 Jan 2022 08:48:30 +0000 (09:48 +0100)]
Merge pull request #13299 from bangerth/std

Remove an unnecessary 'using namespace std' declaration.

2 years agoMerge pull request #13301 from bangerth/manifold
Martin Kronbichler [Fri, 28 Jan 2022 08:48:11 +0000 (09:48 +0100)]
Merge pull request #13301 from bangerth/manifold

Avoid a couple of references to GeometryInfo.

2 years agoMerge pull request #13303 from bangerth/manifold-vs-manifolds
Martin Kronbichler [Fri, 28 Jan 2022 08:43:39 +0000 (09:43 +0100)]
Merge pull request #13303 from bangerth/manifold-vs-manifolds

Rename Triangulation::manifold to Triangulation::manifolds.

2 years agoMerge pull request #13302 from bangerth/doc-3
Martin Kronbichler [Fri, 28 Jan 2022 08:41:53 +0000 (09:41 +0100)]
Merge pull request #13302 from bangerth/doc-3

Minor updates to the documentation of GridTools::transform().

2 years agoMerge pull request #13304 from bangerth/assertion
Martin Kronbichler [Fri, 28 Jan 2022 08:35:05 +0000 (09:35 +0100)]
Merge pull request #13304 from bangerth/assertion

Improve the text of an assertion.

2 years agoMerge pull request #13306 from bangerth/pipe
Martin Kronbichler [Fri, 28 Jan 2022 08:33:46 +0000 (09:33 +0100)]
Merge pull request #13306 from bangerth/pipe

Minor adjustments to the pipe junction geometry.

2 years agoMinor adjustments to the pipe manifolds. 13306/head
Wolfgang Bangerth [Thu, 27 Jan 2022 22:37:46 +0000 (15:37 -0700)]
Minor adjustments to the pipe manifolds.

2 years agoMinor adjustments to the pipe junction geometry.
Wolfgang Bangerth [Thu, 27 Jan 2022 22:07:23 +0000 (15:07 -0700)]
Minor adjustments to the pipe junction geometry.

2 years agoMerge pull request #13298 from marcfehling/step55
Wolfgang Bangerth [Fri, 28 Jan 2022 01:01:09 +0000 (18:01 -0700)]
Merge pull request #13298 from marcfehling/step55

Minor suggestions for step-55

2 years agoMerge pull request #13124 from marcfehling/tee-2
Wolfgang Bangerth [Thu, 27 Jan 2022 22:31:47 +0000 (15:31 -0700)]
Merge pull request #13124 from marcfehling/tee-2

Manifold for `pipe_junction`.

2 years agoAvoid 'using namespace' declarations. 13300/head
Wolfgang Bangerth [Thu, 27 Jan 2022 19:22:45 +0000 (12:22 -0700)]
Avoid 'using namespace' declarations.

These declarations are dangerous and lead to difficult to find errors when
used in header files, but also in .cc files when used in scopes that one
can re-enter and when we use unity builds. Avoid where possible.

2 years agoImprove the text of an assertion. 13304/head
Wolfgang Bangerth [Thu, 27 Jan 2022 20:34:24 +0000 (13:34 -0700)]
Improve the text of an assertion.

2 years agoRename Triangulation::manifold to Triangulation::manifolds. 13303/head
Wolfgang Bangerth [Thu, 27 Jan 2022 20:31:54 +0000 (13:31 -0700)]
Rename Triangulation::manifold to Triangulation::manifolds.

The member variable is a std::map and generally holds multiple objects. Use the plural.

2 years agoMinor updates to the documentation of GridTools::transform(). 13302/head
Wolfgang Bangerth [Thu, 27 Jan 2022 20:25:36 +0000 (13:25 -0700)]
Minor updates to the documentation of GridTools::transform().

2 years agoAvoid a couple of references to GeometryInfo. 13301/head
Wolfgang Bangerth [Thu, 27 Jan 2022 20:07:42 +0000 (13:07 -0700)]
Avoid a couple of references to GeometryInfo.

2 years agoRemove an unnecessary 'using namespace std' declaration. 13299/head
Wolfgang Bangerth [Thu, 27 Jan 2022 18:32:18 +0000 (11:32 -0700)]
Remove an unnecessary 'using namespace std' declaration.

2 years agoReview function classes. 13298/head
Marc Fehling [Thu, 27 Jan 2022 14:30:52 +0000 (15:30 +0100)]
Review function classes.

2 years agoAdjust template parameter in solver.
Marc Fehling [Thu, 27 Jan 2022 14:30:03 +0000 (15:30 +0100)]
Adjust template parameter in solver.

2 years agoFix typo.
Marc Fehling [Thu, 27 Jan 2022 14:29:34 +0000 (15:29 +0100)]
Fix typo.

2 years agoMove the declaration of a base class to right before its child class. 13296/head
Wolfgang Bangerth [Thu, 27 Jan 2022 00:16:07 +0000 (17:16 -0700)]
Move the declaration of a base class to right before its child class.

2 years agoMove a few generic names into a namespace that explains what things refer to.
Wolfgang Bangerth [Thu, 27 Jan 2022 00:15:26 +0000 (17:15 -0700)]
Move a few generic names into a namespace that explains what things refer to.

2 years agoMerge pull request #13291 from masterleinad/detection_idiom
Wolfgang Bangerth [Wed, 26 Jan 2022 21:48:47 +0000 (14:48 -0700)]
Merge pull request #13291 from masterleinad/detection_idiom

Use standardized detection idiom

2 years agoMerge pull request #13287 from bangerth/ref-cell-2
David Wells [Wed, 26 Jan 2022 21:41:12 +0000 (16:41 -0500)]
Merge pull request #13287 from bangerth/ref-cell-2

Introduce ReferenceCell::n_isotropic_children().

2 years agoAdd assertions. 13287/head
Wolfgang Bangerth [Mon, 24 Jan 2022 19:07:32 +0000 (12:07 -0700)]
Add assertions.

2 years agoUn-hardcode some numbers.
Wolfgang Bangerth [Mon, 24 Jan 2022 19:01:40 +0000 (12:01 -0700)]
Un-hardcode some numbers.

2 years agoUse n_isotropic_children() in an assertion.
Wolfgang Bangerth [Mon, 24 Jan 2022 18:20:32 +0000 (11:20 -0700)]
Use n_isotropic_children() in an assertion.

2 years agoIntroduce ReferenceCell::n_isotropic_children().
Wolfgang Bangerth [Mon, 24 Jan 2022 18:20:16 +0000 (11:20 -0700)]
Introduce ReferenceCell::n_isotropic_children().

2 years agoMove a function to its proper place.
Wolfgang Bangerth [Mon, 24 Jan 2022 18:19:35 +0000 (11:19 -0700)]
Move a function to its proper place.

2 years agoMerge pull request #13269 from blaisb/fix_disappearing_particles
Martin Kronbichler [Wed, 26 Jan 2022 14:08:32 +0000 (15:08 +0100)]
Merge pull request #13269 from blaisb/fix_disappearing_particles

Add a test for moving particles in a complex geometry and

2 years agoMerge pull request #13294 from tamiko/fix_doc
Daniel Arndt [Wed, 26 Jan 2022 13:55:51 +0000 (08:55 -0500)]
Merge pull request #13294 from tamiko/fix_doc

2 years agoMerge pull request #13293 from drwells/changelog-9.3.3
Marc Fehling [Wed, 26 Jan 2022 11:03:44 +0000 (04:03 -0700)]
Merge pull request #13293 from drwells/changelog-9.3.3

Port 9.3.3 changelog changes to master.

2 years agofix a rendering issue with doxygen 1.9.3 13294/head
Matthias Maier [Wed, 26 Jan 2022 10:48:53 +0000 (04:48 -0600)]
fix a rendering issue with doxygen 1.9.3

2 years agoFix matrix_free/matrix_free_type_traits test 13291/head
Daniel Arndt [Tue, 25 Jan 2022 22:05:41 +0000 (17:05 -0500)]
Fix matrix_free/matrix_free_type_traits test

2 years agoPort 9.3.3 changelog changes to master. 13293/head
David Wells [Tue, 25 Jan 2022 20:36:15 +0000 (15:36 -0500)]
Port 9.3.3 changelog changes to master.

2 years agoMove detection idiom to internal namespace
Daniel Arndt [Tue, 25 Jan 2022 16:08:01 +0000 (11:08 -0500)]
Move detection idiom to internal namespace

2 years agoMerge pull request #13286 from bangerth/ref-cell-1
Marc Fehling [Tue, 25 Jan 2022 15:26:47 +0000 (08:26 -0700)]
Merge pull request #13286 from bangerth/ref-cell-1

Make naming of function arguments more uniform.

2 years agoUse standardized detection idiom
Daniel Arndt [Mon, 24 Jan 2022 23:17:02 +0000 (18:17 -0500)]
Use standardized detection idiom

2 years agoMerge pull request #13288 from bangerth/traits
Peter Munch [Tue, 25 Jan 2022 08:21:02 +0000 (09:21 +0100)]
Merge pull request #13288 from bangerth/traits

Minor edits to type traits classes.

2 years agoMerge pull request #13289 from drwells/fix-null-ptr-warning
Wolfgang Bangerth [Tue, 25 Jan 2022 02:34:14 +0000 (19:34 -0700)]
Merge pull request #13289 from drwells/fix-null-ptr-warning

Fix a bogus warning about a null pointer in a lambda.

2 years agoRevert particle handler change 13269/head
Bruno Blais [Tue, 25 Jan 2022 01:15:38 +0000 (20:15 -0500)]
Revert particle handler change

2 years agoMerge pull request #13267 from bangerth/prepare_for_answer
David Wells [Mon, 24 Jan 2022 21:30:41 +0000 (16:30 -0500)]
Merge pull request #13267 from bangerth/prepare_for_answer

Remove the prepare_for_answer() callback in consensus algorithms.

2 years agoFix a bogus warning about a null pointer in a lambda. 13289/head
David Wells [Mon, 24 Jan 2022 21:08:41 +0000 (16:08 -0500)]
Fix a bogus warning about a null pointer in a lambda.

I get the following warning:

/home/drwells/Documents/Code/CPP/dealii-dev/source/base/mpi.cc: In static member function 'static constexpr void dealii::Utilities::MPI::create_mpi_data_type_n_bytes(std::size_t)::<lambda(ompi_datatype_t**)>::_FUN(ompi_datatype_t**)':
/home/drwells/Documents/Code/CPP/dealii-dev/source/base/mpi.cc:384:15: warning: 'this' pointer is null [-Wnonnull]
  384 |               }};
      |               ^
/home/drwells/Documents/Code/CPP/dealii-dev/source/base/mpi.cc:376:15: note: in a call to non-static member function 'dealii::Utilities::MPI::create_mpi_data_type_n_bytes(std::size_t)::<lambda(ompi_datatype_t**)>'
  376 |               [](MPI_Datatype *p) {
      |               ^

This isn't a problem since deleters don't store any kind of state but we can
work around it by splitting the constructor call.

2 years agoMinor edits to type traits classes. 13288/head
Wolfgang Bangerth [Mon, 24 Jan 2022 18:34:45 +0000 (11:34 -0700)]
Minor edits to type traits classes.

2 years agoMerge pull request #13285 from peterrum/PreconditionRelaxation_vmult_step_relax
Wolfgang Bangerth [Mon, 24 Jan 2022 18:31:38 +0000 (11:31 -0700)]
Merge pull request #13285 from peterrum/PreconditionRelaxation_vmult_step_relax

PreconditionRelaxation: vmult/step w. relaxation

2 years agoMake naming of function arguments more uniform. 13286/head
Wolfgang Bangerth [Mon, 24 Jan 2022 18:11:06 +0000 (11:11 -0700)]
Make naming of function arguments more uniform.

We don't usually use _n as a suffix to indicate a _number or _index. In fact,
the implementation of the function also doesn't use the suffix used here
in the declaration.

2 years agoMerge pull request #13283 from peterrum/om
Wolfgang Bangerth [Mon, 24 Jan 2022 16:11:19 +0000 (09:11 -0700)]
Merge pull request #13283 from peterrum/om

SparseMatrix: rename om to omega

2 years agoPreconditionRelaxation: vmult/step w. relaxation 13285/head
Peter Munch [Mon, 24 Jan 2022 15:52:53 +0000 (16:52 +0100)]
PreconditionRelaxation: vmult/step w. relaxation

2 years agoFix indent
Bruno Blais [Mon, 24 Jan 2022 15:19:02 +0000 (10:19 -0500)]
Fix indent

2 years agoFix tolerance because particles are still lost
Bruno Blais [Mon, 24 Jan 2022 14:49:54 +0000 (09:49 -0500)]
Fix tolerance because particles are still lost

2 years agorevert particles
Bruno Blais [Mon, 24 Jan 2022 13:45:56 +0000 (08:45 -0500)]
revert particles

2 years agoFix indentation
Bruno Blais [Wed, 19 Jan 2022 20:55:47 +0000 (15:55 -0500)]
Fix indentation

2 years agoFix lost particle by recalculating mapping + test
Bruno Blais [Wed, 19 Jan 2022 20:55:00 +0000 (15:55 -0500)]
Fix lost particle by recalculating mapping + test

2 years agoSparseMatrix: rename om to omega 13283/head
Peter Munch [Mon, 24 Jan 2022 13:01:27 +0000 (14:01 +0100)]
SparseMatrix: rename om to omega

2 years agoMerge pull request #13278 from kronbichler/fix_real_to_unit
Martin Kronbichler [Sat, 22 Jan 2022 17:32:44 +0000 (18:32 +0100)]
Merge pull request #13278 from kronbichler/fix_real_to_unit

Fix bug in initial condition for transform_real_to_unit_cell

2 years agoMerge pull request #13271 from bangerth/3b
Martin Kronbichler [Sat, 22 Jan 2022 14:39:52 +0000 (15:39 +0100)]
Merge pull request #13271 from bangerth/3b

Use relative tolerances in step-3.

2 years agoMerge pull request #13280 from bangerth/free_comm
Peter Munch [Sat, 22 Jan 2022 14:31:57 +0000 (15:31 +0100)]
Merge pull request #13280 from bangerth/free_comm

Use MPI::Utilities::free_communicator() where possible.

2 years agoMerge pull request #13279 from peterrum/FEImmersedSurfaceValues_mapping_q
Wolfgang Bangerth [Sat, 22 Jan 2022 02:47:50 +0000 (19:47 -0700)]
Merge pull request #13279 from peterrum/FEImmersedSurfaceValues_mapping_q

Update docu of NonMatching::FEImmersedSurfaceValues

2 years agoUse MPI::Utilities::free_communicator() where possible. 13280/head
Wolfgang Bangerth [Fri, 21 Jan 2022 21:37:22 +0000 (14:37 -0700)]
Use MPI::Utilities::free_communicator() where possible.

2 years agoUpdate docu of NonMatching::FEImmersedSurfaceValues 13279/head
Peter Munch [Fri, 21 Jan 2022 21:29:58 +0000 (22:29 +0100)]
Update docu of NonMatching::FEImmersedSurfaceValues

2 years agoMerge pull request #13277 from bangerth/22
Martin Kronbichler [Fri, 21 Jan 2022 18:27:38 +0000 (19:27 +0100)]
Merge pull request #13277 from bangerth/22

Fix a sign error in step-22's introduction.

2 years agoNew test case 13278/head
Martin Kronbichler [Fri, 21 Jan 2022 16:24:14 +0000 (17:24 +0100)]
New test case

2 years agoFix bug in initial condition for transform_real_to_unit_cell
Martin Kronbichler [Fri, 21 Jan 2022 16:24:01 +0000 (17:24 +0100)]
Fix bug in initial condition for transform_real_to_unit_cell

2 years agoFix a sign error in step-22's introduction. 13277/head
Wolfgang Bangerth [Fri, 21 Jan 2022 15:45:08 +0000 (08:45 -0700)]
Fix a sign error in step-22's introduction.

While there also do minimal maintenance in a couple of other place.

2 years agoMerge pull request #13276 from marcfehling/forward
Wolfgang Bangerth [Fri, 21 Jan 2022 15:18:33 +0000 (08:18 -0700)]
Merge pull request #13276 from marcfehling/forward

Hide forward declarations in `fe/fe.h` from doxygen.

2 years agoMerge pull request #13275 from CuiCu-618/master
Peter Munch [Fri, 21 Jan 2022 11:06:24 +0000 (12:06 +0100)]
Merge pull request #13275 from CuiCu-618/master

Small fix to the documentation in step-37

2 years agoHide forward declarations from doxygen. 13276/head
Marc Fehling [Fri, 21 Jan 2022 10:09:42 +0000 (11:09 +0100)]
Hide forward declarations from doxygen.

2 years agoMerge branch 'dealii:master' into master 13275/head
Cu Cui [Fri, 21 Jan 2022 07:50:56 +0000 (08:50 +0100)]
Merge branch 'dealii:master' into master

2 years agoMerge pull request #13270 from bangerth/3
Martin Kronbichler [Fri, 21 Jan 2022 07:45:12 +0000 (08:45 +0100)]
Merge pull request #13270 from bangerth/3

Explain the use of iterative solvers in the introduction of step-3.

2 years agoMerge pull request #13274 from peterrum/feeval_is_reinitialized_ifdef
Martin Kronbichler [Fri, 21 Jan 2022 07:40:54 +0000 (08:40 +0100)]
Merge pull request #13274 from peterrum/feeval_is_reinitialized_ifdef

Add ifdefs for is_reinitialized in FEEval

2 years agosmall fix to the documentation
Cu Cui [Fri, 21 Jan 2022 06:30:03 +0000 (07:30 +0100)]
small fix to the documentation

2 years agoUpdate output. 13271/head
Wolfgang Bangerth [Thu, 20 Jan 2022 03:19:55 +0000 (20:19 -0700)]
Update output.

2 years agoUse relative tolerances in step-3.
Wolfgang Bangerth [Thu, 20 Jan 2022 03:12:26 +0000 (20:12 -0700)]
Use relative tolerances in step-3.

2 years agoExplain the use of iterative solvers in the introduction of step-3. 13270/head
Wolfgang Bangerth [Wed, 19 Jan 2022 23:34:23 +0000 (16:34 -0700)]
Explain the use of iterative solvers in the introduction of step-3.

2 years agoAdd ifdefs for is_reinitialized in FEEval 13274/head
Peter Munch [Thu, 20 Jan 2022 21:13:19 +0000 (22:13 +0100)]
Add ifdefs for is_reinitialized in FEEval

2 years agoMerge pull request #13273 from bangerth/null
Daniel Arndt [Thu, 20 Jan 2022 19:39:32 +0000 (14:39 -0500)]
Merge pull request #13273 from bangerth/null

2 years agoDefine MPI_COMM_NULL when not using MPI. 13273/head
Wolfgang Bangerth [Thu, 20 Jan 2022 17:45:50 +0000 (10:45 -0700)]
Define MPI_COMM_NULL when not using MPI.

2 years agoAdd a changelog entry. 13267/head
Wolfgang Bangerth [Thu, 20 Jan 2022 02:52:09 +0000 (19:52 -0700)]
Add a changelog entry.

2 years agoMerge pull request #13268 from peterrum/la_vector_fix
David Wells [Thu, 20 Jan 2022 02:43:57 +0000 (21:43 -0500)]
Merge pull request #13268 from peterrum/la_vector_fix

Fix LA::Vector::reinit()

2 years agoMerge pull request #13261 from bangerth/ca-doc
David Wells [Thu, 20 Jan 2022 00:34:32 +0000 (19:34 -0500)]
Merge pull request #13261 from bangerth/ca-doc

Minor doc update to the consensus algorithms.

2 years agoFix LA::Vector::reinit() 13268/head
Peter Munch [Wed, 19 Jan 2022 20:57:35 +0000 (21:57 +0100)]
Fix LA::Vector::reinit()

2 years agoRemove the prepare_for_answer() callback in consensus algorithms.
Wolfgang Bangerth [Wed, 19 Jan 2022 19:51:34 +0000 (12:51 -0700)]
Remove the prepare_for_answer() callback in consensus algorithms.

The implementations of the two current algorithms no longer use this callback.
Remove it from the Process class.

2 years agoMinor doc update to the consensus algorithms. 13261/head
Wolfgang Bangerth [Tue, 18 Jan 2022 15:39:33 +0000 (08:39 -0700)]
Minor doc update to the consensus algorithms.

2 years agoMerge pull request #13252 from peterrum/fe_eval_quadrature_points
Peter Munch [Wed, 19 Jan 2022 16:19:29 +0000 (17:19 +0100)]
Merge pull request #13252 from peterrum/fe_eval_quadrature_points

Move quadrature_points into FEEvalData

2 years agoMerge pull request #13259 from peterrum/fe_eval_n_vectorization_lanes_filled
Peter Munch [Wed, 19 Jan 2022 16:19:18 +0000 (17:19 +0100)]
Merge pull request #13259 from peterrum/fe_eval_n_vectorization_lanes_filled

FEEval: replace usages of n_vectorization_actual

2 years agoMerge pull request #13144 from bangerth/flatten-3
Bruno Turcksin [Wed, 19 Jan 2022 15:57:36 +0000 (10:57 -0500)]
Merge pull request #13144 from bangerth/flatten-3

2 years agoMove quadrature_points into FEEvalData 13252/head
Peter Munch [Mon, 17 Jan 2022 19:04:14 +0000 (20:04 +0100)]
Move quadrature_points into FEEvalData

2 years agoFEEval: replace usages of n_vectorization_actual 13259/head
Peter Munch [Tue, 18 Jan 2022 07:26:14 +0000 (08:26 +0100)]
FEEval: replace usages of n_vectorization_actual

2 years agoMerge pull request #13266 from peterrum/mf_la_vector
Martin Kronbichler [Wed, 19 Jan 2022 12:47:35 +0000 (13:47 +0100)]
Merge pull request #13266 from peterrum/mf_la_vector

Fix MF for LA::vector

2 years agoMerge pull request #13073 from bangerth/filter
Marc Fehling [Wed, 19 Jan 2022 10:03:56 +0000 (03:03 -0700)]
Merge pull request #13073 from bangerth/filter

Convert a few more locally-owned loops with filters.

2 years agoMerge pull request #13262 from bangerth/ca-members
Peter Munch [Wed, 19 Jan 2022 06:31:11 +0000 (07:31 +0100)]
Merge pull request #13262 from bangerth/ca-members

Do not store some things in the CA::Interface base class.

2 years agoMerge pull request #13257 from bangerth/pex
Peter Munch [Wed, 19 Jan 2022 06:28:34 +0000 (07:28 +0100)]
Merge pull request #13257 from bangerth/pex

PEX: Replace MPI_Irecv with MPI_Iprobe+MPI_Recv

2 years agoMerge pull request #13219 from bangerth/nbx-2
Peter Munch [Wed, 19 Jan 2022 06:28:13 +0000 (07:28 +0100)]
Merge pull request #13219 from bangerth/nbx-2

Replace MPI_Irecv with MPI_Iprobe+MPI_Recv.

2 years agoUse std::count_if(). 13073/head
Wolfgang Bangerth [Sun, 16 Jan 2022 18:31:13 +0000 (11:31 -0700)]
Use std::count_if().

2 years agoMerge pull request #13264 from marcfehling/references
Wolfgang Bangerth [Wed, 19 Jan 2022 03:23:35 +0000 (20:23 -0700)]
Merge pull request #13264 from marcfehling/references

Review of `references.bib`.

2 years agoMerge pull request #13265 from bangerth/extrapolate-dev-2
Daniel Arndt [Tue, 18 Jan 2022 22:10:43 +0000 (17:10 -0500)]
Merge pull request #13265 from bangerth/extrapolate-dev-2


In the beginning the Universe was created. This has made a lot of people very angry and has been widely regarded as a bad move.

Douglas Adams


Typeset in Trocchi and Trocchi Bold Sans Serif.