]> https://gitweb.dealii.org/ - dealii.git/log
dealii.git
6 years agoRemove parallel::distributed where possible
Rene Gassmoeller [Fri, 13 Oct 2017 20:45:14 +0000 (14:45 -0600)]
Remove parallel::distributed where possible

6 years agoAdd ParticleHandler class
Rene Gassmoeller [Fri, 13 Oct 2017 20:03:17 +0000 (14:03 -0600)]
Add ParticleHandler class

6 years agoMerge pull request #5431 from bangerth/add-changelog
Denis Davydov [Thu, 9 Nov 2017 15:06:22 +0000 (16:06 +0100)]
Merge pull request #5431 from bangerth/add-changelog

Add a changelog entry for complex-valued vectors.

6 years agoAdd a changelog entry for complex-valued vectors. 5431/head
Wolfgang Bangerth [Thu, 9 Nov 2017 15:00:24 +0000 (08:00 -0700)]
Add a changelog entry for complex-valued vectors.

6 years agoMerge pull request #5419 from bangerth/more-complex
Martin Kronbichler [Thu, 9 Nov 2017 08:17:33 +0000 (09:17 +0100)]
Merge pull request #5419 from bangerth/more-complex

Allow outputting complex-valued data through DataOut.

6 years agoMerge pull request #5429 from bangerth/instantiations
Jean-Paul Pelteret [Thu, 9 Nov 2017 05:36:45 +0000 (06:36 +0100)]
Merge pull request #5429 from bangerth/instantiations

Instantiate some more functions for the codim-1 case.

6 years agoInstantiate some more functions for the codim-1 case. 5429/head
Wolfgang Bangerth [Thu, 9 Nov 2017 00:22:10 +0000 (17:22 -0700)]
Instantiate some more functions for the codim-1 case.

While there, also simplify the file slightly.

6 years agoAdd more tests that check both real and complex-valued output at the same time. 5419/head
Wolfgang Bangerth [Wed, 8 Nov 2017 19:56:36 +0000 (12:56 -0700)]
Add more tests that check both real and complex-valued output at the same time.

6 years agoSimplify code a bit.
Wolfgang Bangerth [Wed, 8 Nov 2017 19:52:26 +0000 (12:52 -0700)]
Simplify code a bit.

6 years agoMerge pull request #5423 from drwells/fix-unity-build
Jean-Paul Pelteret [Wed, 8 Nov 2017 19:37:22 +0000 (20:37 +0100)]
Merge pull request #5423 from drwells/fix-unity-build

Disambiguate parallel::GridTools and GridTools.

6 years agoMerge pull request #5424 from bangerth/fix-test
Matthias Maier [Wed, 8 Nov 2017 17:46:01 +0000 (11:46 -0600)]
Merge pull request #5424 from bangerth/fix-test

Fix test.

6 years agoMerge pull request #5425 from bangerth/fix-line-endings
Matthias Maier [Wed, 8 Nov 2017 17:45:42 +0000 (11:45 -0600)]
Merge pull request #5425 from bangerth/fix-line-endings

Consistently use UNIX line endings.

6 years agoConsistently use UNIX line endings. 5425/head
Wolfgang Bangerth [Wed, 8 Nov 2017 17:42:04 +0000 (10:42 -0700)]
Consistently use UNIX line endings.

6 years agoConvert DOS to Unix line endings. 5424/head
Wolfgang Bangerth [Wed, 8 Nov 2017 17:31:47 +0000 (10:31 -0700)]
Convert DOS to Unix line endings.

6 years agoFix test output.
Wolfgang Bangerth [Wed, 8 Nov 2017 17:29:06 +0000 (10:29 -0700)]
Fix test output.

6 years agoMerge pull request #5391 from jppelteret/ad-product_types
Matthias Maier [Wed, 8 Nov 2017 17:27:55 +0000 (11:27 -0600)]
Merge pull request #5391 from jppelteret/ad-product_types

Implement more product types for AD numbers

6 years agoMerge pull request #5422 from tjhei/doxygen_deprecated
Wolfgang Bangerth [Wed, 8 Nov 2017 16:45:52 +0000 (09:45 -0700)]
Merge pull request #5422 from tjhei/doxygen_deprecated

doxygen: fix deprecated function signatures

6 years agoInclude Adol-C product types header in fe_values 5391/head
Jean-Paul Pelteret [Wed, 8 Nov 2017 16:36:08 +0000 (17:36 +0100)]
Include Adol-C product types header in fe_values

Fixes #5420

6 years agoDisambiguate parallel::GridTools and GridTools. 5423/head
David Wells [Wed, 8 Nov 2017 16:30:56 +0000 (11:30 -0500)]
Disambiguate parallel::GridTools and GridTools.

6 years agoImplement ProductType for Adol-C numbers
Jean-Paul Pelteret [Fri, 3 Nov 2017 18:56:53 +0000 (19:56 +0100)]
Implement ProductType for Adol-C numbers

6 years agoAdd support and implement ProductType for Trilinos Sacado::Rad numbers
Jean-Paul Pelteret [Fri, 3 Nov 2017 18:56:01 +0000 (19:56 +0100)]
Add support and implement ProductType for Trilinos Sacado::Rad numbers

6 years agoMerge pull request #5421 from jppelteret/fix_5420
Jean-Paul Pelteret [Wed, 8 Nov 2017 15:30:03 +0000 (16:30 +0100)]
Merge pull request #5421 from jppelteret/fix_5420

Fix expansion for Adol-C numbers

6 years agodoxygen: fix deprecatedfunction signatures 5422/head
Timo Heister [Wed, 8 Nov 2017 14:49:44 +0000 (09:49 -0500)]
doxygen: fix deprecatedfunction signatures

Deprecated functions show up with a trailing "1". Fix this.

Example: has_generalized_face_support_points() in http://www.dealii.org/developer/doxygen/deal.II/classFiniteElement.html

6 years agoFix expansion for Adol-C numbers 5421/head
Jean-Paul Pelteret [Wed, 8 Nov 2017 13:40:40 +0000 (14:40 +0100)]
Fix expansion for Adol-C numbers

6 years agoMerge pull request #5358 from GivAlz/new_distribute_bboxes
Bruno Turcksin [Wed, 8 Nov 2017 13:21:50 +0000 (08:21 -0500)]
Merge pull request #5358 from GivAlz/new_distribute_bboxes

New function parallel::GridTools::exchange_local_bounding_boxes

6 years agoAdded function parallel::GridTools::exchange_local_bounding_boxes and tests 5358/head
Giovanni Alzetta [Fri, 27 Oct 2017 12:45:10 +0000 (12:45 +0000)]
Added function parallel::GridTools::exchange_local_bounding_boxes and tests

6 years agoMerge pull request #5406 from tcclevenger/interface_matrix_entry
Martin Kronbichler [Wed, 8 Nov 2017 09:17:03 +0000 (10:17 +0100)]
Merge pull request #5406 from tcclevenger/interface_matrix_entry

Add functionality to create sparsity pattern for MG interface matrices

6 years agoAdd a test for the cell-data case.
Wolfgang Bangerth [Wed, 8 Nov 2017 04:18:05 +0000 (21:18 -0700)]
Add a test for the cell-data case.

6 years agoOutput complex-valued data for cell data.
Wolfgang Bangerth [Wed, 8 Nov 2017 04:17:03 +0000 (21:17 -0700)]
Output complex-valued data for cell data.

6 years agoAdd another test for a vector element.
Wolfgang Bangerth [Wed, 8 Nov 2017 04:03:06 +0000 (21:03 -0700)]
Add another test for a vector element.

6 years agoAdd a test for a vector element.
Wolfgang Bangerth [Wed, 8 Nov 2017 04:00:47 +0000 (21:00 -0700)]
Add a test for a vector element.

6 years agoAdd a test for a scalar element.
Wolfgang Bangerth [Wed, 8 Nov 2017 03:56:59 +0000 (20:56 -0700)]
Add a test for a scalar element.

6 years agoOutput both real and imaginary parts of the solution.
Wolfgang Bangerth [Wed, 8 Nov 2017 03:56:39 +0000 (20:56 -0700)]
Output both real and imaginary parts of the solution.

6 years agoDeal better with complex-valued vectors.
Wolfgang Bangerth [Wed, 8 Nov 2017 00:55:49 +0000 (17:55 -0700)]
Deal better with complex-valued vectors.

Specifically, add a safety check, and correctly count real/imaginary part as two.

6 years agoMerge pull request #5382 from jppelteret/ad-build_template_arguments
Bruno Turcksin [Wed, 8 Nov 2017 01:36:01 +0000 (20:36 -0500)]
Merge pull request #5382 from jppelteret/ad-build_template_arguments

Update build system template arguments for AD number types.

6 years agoMerge pull request #5418 from bangerth/cleanups
Bruno Turcksin [Wed, 8 Nov 2017 01:24:56 +0000 (20:24 -0500)]
Merge pull request #5418 from bangerth/cleanups

Minor updates to DoFRenumbering::Cuthill_McKee.

6 years agoRevert an if-else and other restructuring. 5418/head
Wolfgang Bangerth [Tue, 7 Nov 2017 22:51:55 +0000 (15:51 -0700)]
Revert an if-else and other restructuring.

6 years agoSome comment updates and minor restructuring.
Wolfgang Bangerth [Tue, 7 Nov 2017 22:42:21 +0000 (15:42 -0700)]
Some comment updates and minor restructuring.

6 years agoMerge pull request #5412 from agrayver/subdomain-wise-fix
Wolfgang Bangerth [Tue, 7 Nov 2017 18:53:09 +0000 (11:53 -0700)]
Merge pull request #5412 from agrayver/subdomain-wise-fix

Fix erroneous assert and add a test

6 years agoMerge pull request #5393 from gassmoeller/fix_manifold_normal_vector
Wolfgang Bangerth [Tue, 7 Nov 2017 18:14:42 +0000 (11:14 -0700)]
Merge pull request #5393 from gassmoeller/fix_manifold_normal_vector

Fix algorithm in Manifold::normal_vector

6 years agoFix erroneous assert 5412/head
Alexander Grayver [Mon, 6 Nov 2017 16:00:46 +0000 (17:00 +0100)]
Fix erroneous assert

6 years agoTest third algorithm 5393/head
Rene Gassmoeller [Mon, 6 Nov 2017 21:23:03 +0000 (14:23 -0700)]
Test third algorithm

6 years agoMerge pull request #5416 from davydden/tests/full_mmatrix_10_mkl
Denis Davydov [Tue, 7 Nov 2017 13:13:12 +0000 (14:13 +0100)]
Merge pull request #5416 from davydden/tests/full_mmatrix_10_mkl

lower the tolerance for full_matrix_10 test with float numbers

6 years agoMerge pull request #5415 from kronbichler/replace_fabs_by_abs
Denis Davydov [Tue, 7 Nov 2017 10:34:25 +0000 (11:34 +0100)]
Merge pull request #5415 from kronbichler/replace_fabs_by_abs

Replace std::fabs() by std::abs() for complex numbers.

6 years agolower the tolerance for full_matrix_10 test with float numbers 5416/head
Denis Davydov [Tue, 7 Nov 2017 09:27:31 +0000 (10:27 +0100)]
lower the tolerance for full_matrix_10 test with float numbers

6 years agoReplace std::fabs() by std::abs() for complex numbers. 5415/head
Martin Kronbichler [Tue, 7 Nov 2017 09:03:45 +0000 (10:03 +0100)]
Replace std::fabs() by std::abs() for complex numbers.

6 years agoMerge pull request #5409 from kronbichler/further_test_fixes
Martin Kronbichler [Tue, 7 Nov 2017 07:47:48 +0000 (08:47 +0100)]
Merge pull request #5409 from kronbichler/further_test_fixes

Make a few more tests more robust

6 years agoUpdate build system template arguments for AD number types. 5382/head
Jean-Paul Pelteret [Fri, 3 Nov 2017 12:41:17 +0000 (13:41 +0100)]
Update build system template arguments for AD number types.

6 years agoAdd alternative output for compilations with FMA. 5409/head
Martin Kronbichler [Mon, 6 Nov 2017 10:06:36 +0000 (11:06 +0100)]
Add alternative output for compilations with FMA.

6 years agoCheck termination within a few iterations for iterative solver.
Martin Kronbichler [Mon, 6 Nov 2017 10:04:12 +0000 (11:04 +0100)]
Check termination within a few iterations for iterative solver.

6 years agoTest new algorithm
Rene Gassmoeller [Mon, 6 Nov 2017 18:08:54 +0000 (11:08 -0700)]
Test new algorithm

6 years agoAddress some comments
Rene Gassmoeller [Mon, 6 Nov 2017 17:19:13 +0000 (10:19 -0700)]
Address some comments

6 years agoMerge pull request #5405 from Rombur/cuda_9
Daniel Arndt [Mon, 6 Nov 2017 15:46:14 +0000 (16:46 +0100)]
Merge pull request #5405 from Rombur/cuda_9

Fix a bug in cmake when using CUDA.

6 years agoFilter out small float number in FullMatrix test.
Martin Kronbichler [Mon, 6 Nov 2017 10:03:48 +0000 (11:03 +0100)]
Filter out small float number in FullMatrix test.

6 years agoMerge pull request #5387 from masterleinad/support_sundials_3
Denis Davydov [Mon, 6 Nov 2017 09:37:33 +0000 (10:37 +0100)]
Merge pull request #5387 from masterleinad/support_sundials_3

Support sundials-3.0.0

6 years agoMerge pull request #5403 from kronbichler/test_roundoff_robustness
Denis Davydov [Mon, 6 Nov 2017 06:54:15 +0000 (07:54 +0100)]
Merge pull request #5403 from kronbichler/test_roundoff_robustness

Make a number of tests more robust

6 years agoMerge pull request #5404 from masterleinad/use_polar_manifold_in2d
Martin Kronbichler [Mon, 6 Nov 2017 06:53:16 +0000 (07:53 +0100)]
Merge pull request #5404 from masterleinad/use_polar_manifold_in2d

Use PolarManifold in 2D SphericalManifold

6 years agoMerge pull request #5397 from kronbichler/relax_transfinite_manifold_criterion
Wolfgang Bangerth [Mon, 6 Nov 2017 02:38:41 +0000 (19:38 -0700)]
Merge pull request #5397 from kronbichler/relax_transfinite_manifold_criterion

Fix TransfiniteInterpolationManifold on complex geometry

6 years agoFix a bug in cmake when using CUDA. 5405/head
Bruno Turcksin [Mon, 6 Nov 2017 02:12:55 +0000 (21:12 -0500)]
Fix a bug in cmake when using CUDA.

If CUDA_SEPARABLE_COMPILATION is ON, we need to also use
CUDA_COMPUTE_SEPARABLE_COMPILATION_OBJECT_FILE_NAME and
CUDA_LINK_SEPARABLE_COMPILATION_OBJECTS. Otherwise the flags are not passed
correctly during the linking phase. So we turn CUDA_SEPARABLE_COMPILATION OFF
to fix this problem.

6 years agoUse PolarManifold in SphericalManifold for 2D 5404/head
Daniel Arndt [Sun, 5 Nov 2017 19:23:36 +0000 (20:23 +0100)]
Use PolarManifold in SphericalManifold for 2D

6 years agoadded is_interface_matrix_entry and step-50-mesh_loop 5406/head
tcclevenger [Mon, 9 Oct 2017 21:57:10 +0000 (17:57 -0400)]
added is_interface_matrix_entry and step-50-mesh_loop

6 years agoMerge pull request #5400 from kronbichler/fix_transfinite_manifold_linesearch
David Wells [Sun, 5 Nov 2017 19:58:32 +0000 (14:58 -0500)]
Merge pull request #5400 from kronbichler/fix_transfinite_manifold_linesearch

Make line search for transfinite manifold more stable

6 years agoUse 'const Number tolerance = ...' instead. 5403/head
Martin Kronbichler [Sun, 5 Nov 2017 18:57:10 +0000 (19:57 +0100)]
Use 'const Number tolerance = ...' instead.

6 years agoMerge pull request #5398 from bangerth/more-complex-2
Daniel Arndt [Sun, 5 Nov 2017 18:55:56 +0000 (19:55 +0100)]
Merge pull request #5398 from bangerth/more-complex-2

Instantiate everything also for complex-valued vectors.

6 years agoAdd filter-to-zero to another full matrix test.
Martin Kronbichler [Sun, 5 Nov 2017 18:48:52 +0000 (19:48 +0100)]
Add filter-to-zero to another full matrix test.

6 years agoFilter away small numbers to avoid roundoff errors for floats.
Martin Kronbichler [Sun, 5 Nov 2017 17:58:32 +0000 (18:58 +0100)]
Filter away small numbers to avoid roundoff errors for floats.

6 years agoOutput 10 digits instead of 6 to avoid propagation of roundoff differences.
Martin Kronbichler [Sun, 5 Nov 2017 17:58:11 +0000 (18:58 +0100)]
Output 10 digits instead of 6 to avoid propagation of roundoff differences.

6 years agoSet tolerance on one test to avoid roundoff issue.
Martin Kronbichler [Sun, 5 Nov 2017 17:57:30 +0000 (18:57 +0100)]
Set tolerance on one test to avoid roundoff issue.

6 years agoOutput more digits to avoid roundoff problems in anisotropic polynomial.
Martin Kronbichler [Sun, 5 Nov 2017 17:56:57 +0000 (18:56 +0100)]
Output more digits to avoid roundoff problems in anisotropic polynomial.

6 years agoFilter away small numbers to avoid roundoff errors for floats.
Martin Kronbichler [Sun, 5 Nov 2017 17:33:40 +0000 (18:33 +0100)]
Filter away small numbers to avoid roundoff errors for floats.

6 years agoOutput more digits to avoid roundoff problems in test.
Martin Kronbichler [Sun, 5 Nov 2017 17:32:54 +0000 (18:32 +0100)]
Output more digits to avoid roundoff problems in test.

6 years agoOutput relative error to avoid roundoff issues.
Martin Kronbichler [Sun, 5 Nov 2017 17:32:06 +0000 (18:32 +0100)]
Output relative error to avoid roundoff issues.

6 years agoAdd option to set small numbers to zero.
Martin Kronbichler [Sun, 5 Nov 2017 17:31:12 +0000 (18:31 +0100)]
Add option to set small numbers to zero.

6 years agoMerge pull request #5384 from davydden/cell_data_transfer_for_users
Denis Davydov [Sun, 5 Nov 2017 05:52:36 +0000 (06:52 +0100)]
Merge pull request #5384 from davydden/cell_data_transfer_for_users

move CellDataTransferBuffer out of internal namespace

6 years agoMake line search for transfinite manifold more stable. 5400/head
Martin Kronbichler [Sat, 4 Nov 2017 16:29:38 +0000 (17:29 +0100)]
Make line search for transfinite manifold more stable.

6 years agoFix TransfiniteInterpolationManifold on complex geometry. 5397/head
Martin Kronbichler [Sat, 4 Nov 2017 14:21:02 +0000 (15:21 +0100)]
Fix TransfiniteInterpolationManifold on complex geometry.

6 years agoimprove documentation 5384/head
Denis Davydov [Fri, 3 Nov 2017 16:24:45 +0000 (17:24 +0100)]
improve documentation

6 years agoMerge pull request #5399 from bangerth/doc-update
Jean-Paul Pelteret [Sat, 4 Nov 2017 15:49:46 +0000 (16:49 +0100)]
Merge pull request #5399 from bangerth/doc-update

Minor doc update to GridRenumbering::Cuthill_McKee.

6 years agoMinor doc update to GridRenumbering::Cuthill_McKee. 5399/head
Wolfgang Bangerth [Sat, 4 Nov 2017 14:46:45 +0000 (08:46 -0600)]
Minor doc update to GridRenumbering::Cuthill_McKee.

6 years agoInstantiate functions and classes also for complex-valued vectors. 5398/head
Wolfgang Bangerth [Mon, 30 Oct 2017 23:06:02 +0000 (17:06 -0600)]
Instantiate functions and classes also for complex-valued vectors.

6 years agoMerge pull request #5388 from bangerth/more-complex
Martin Kronbichler [Sat, 4 Nov 2017 14:30:18 +0000 (15:30 +0100)]
Merge pull request #5388 from bangerth/more-complex

Make things work for std::complex data types.

6 years agoMerge pull request #5395 from bangerth/more-complex-4
Martin Kronbichler [Sat, 4 Nov 2017 07:52:59 +0000 (08:52 +0100)]
Merge pull request #5395 from bangerth/more-complex-4

Make LapackFullMatrix also work with std::complex data types.

6 years agoMerge pull request #5396 from bangerth/more-complex-5
Martin Kronbichler [Sat, 4 Nov 2017 07:52:40 +0000 (08:52 +0100)]
Merge pull request #5396 from bangerth/more-complex-5

Make a few more things work with std::complex types.

6 years agoMerge pull request #5394 from bangerth/more-complex-3
Martin Kronbichler [Sat, 4 Nov 2017 07:50:25 +0000 (08:50 +0100)]
Merge pull request #5394 from bangerth/more-complex-3

Make a piece of code work for std::complex data types.

6 years agoMerge pull request #5389 from bangerth/complex-mpi
David Wells [Sat, 4 Nov 2017 04:23:05 +0000 (00:23 -0400)]
Merge pull request #5389 from bangerth/complex-mpi

Also describe complex types to MPI.

6 years agoMake a few more things work with std::complex types. 5396/head
Wolfgang Bangerth [Wed, 1 Nov 2017 16:17:52 +0000 (10:17 -0600)]
Make a few more things work with std::complex types.

6 years agoMake LapackFullMatrix also work with std::complex data types. 5395/head
Wolfgang Bangerth [Tue, 31 Oct 2017 21:48:10 +0000 (15:48 -0600)]
Make LapackFullMatrix also work with std::complex data types.

This is slightly complicated by the fact that the LAPACK functions sometimes have
a different signature for complex data types. This patch does not address this
-- these functions will simply fail if the signature is wrong. However, at least
we can compile things with this patch.

6 years agoMake a piece of code work for std::complex data types. 5394/head
Wolfgang Bangerth [Tue, 31 Oct 2017 21:46:42 +0000 (15:46 -0600)]
Make a piece of code work for std::complex data types.

6 years agoFix algorithm in Manifold::normal_vector
Rene Gassmoeller [Fri, 3 Nov 2017 20:42:02 +0000 (14:42 -0600)]
Fix algorithm in Manifold::normal_vector

6 years agoMerge pull request #5390 from masterleinad/document_boundary
Martin Kronbichler [Fri, 3 Nov 2017 18:28:19 +0000 (19:28 +0100)]
Merge pull request #5390 from masterleinad/document_boundary

Document replacements for the Boundary objects

6 years agoMerge pull request #5383 from kronbichler/fix_fe_evaluation_test
Wolfgang Bangerth [Fri, 3 Nov 2017 17:05:31 +0000 (11:05 -0600)]
Merge pull request #5383 from kronbichler/fix_fe_evaluation_test

Avoid taking reference of non-existant static constexpr variables

6 years agoAlso describe MPI data types. 5389/head
Wolfgang Bangerth [Tue, 31 Oct 2017 21:45:17 +0000 (15:45 -0600)]
Also describe MPI data types.

6 years agoDocument replacements for the Boundary objects 5390/head
Daniel Arndt [Fri, 3 Nov 2017 17:01:54 +0000 (18:01 +0100)]
Document replacements for the Boundary objects

6 years agoMake things work for std::complex data types. 5388/head
Wolfgang Bangerth [Tue, 31 Oct 2017 21:49:14 +0000 (15:49 -0600)]
Make things work for std::complex data types.

6 years agoChangelog entry 5387/head
Daniel Arndt [Fri, 3 Nov 2017 16:44:07 +0000 (17:44 +0100)]
Changelog entry

6 years agoSupport both SUNDIALS 2.7.0 and 3.0.0
Daniel Arndt [Fri, 3 Nov 2017 16:27:49 +0000 (17:27 +0100)]
Support both SUNDIALS 2.7.0 and 3.0.0

6 years agomove CellDataTransferBuffer out of internal namespace
Denis Davydov [Fri, 3 Nov 2017 16:21:00 +0000 (17:21 +0100)]
move CellDataTransferBuffer out of internal namespace

6 years agoAvoid taking reference of non-existant static constexpr variables. 5383/head
Martin Kronbichler [Fri, 3 Nov 2017 15:34:16 +0000 (16:34 +0100)]
Avoid taking reference of non-existant static constexpr variables.

6 years agoMerge pull request #5381 from kronbichler/update_manifold_documentation
Jean-Paul Pelteret [Fri, 3 Nov 2017 10:12:23 +0000 (11:12 +0100)]
Merge pull request #5381 from kronbichler/update_manifold_documentation

Update documentation of manifolds

6 years agoSlightly extend glossary entry on manifolds. 5381/head
Martin Kronbichler [Thu, 2 Nov 2017 20:14:20 +0000 (21:14 +0100)]
Slightly extend glossary entry on manifolds.


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