From: heister Date: Sun, 8 Dec 2013 02:36:05 +0000 (+0000) Subject: update changes and news for release X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc63567fe625166f27e623bc5f35803fde81fc03;p=dealii-svn.git update changes and news for release git-svn-id: https://svn.dealii.org/trunk@31934 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/doc/news/8.0.0-vs-8.1.0.h b/deal.II/doc/news/8.0.0-vs-8.1.0.h new file mode 100644 index 0000000000..acaaa648e3 --- /dev/null +++ b/deal.II/doc/news/8.0.0-vs-8.1.0.h @@ -0,0 +1,719 @@ +// --------------------------------------------------------------------- +// $Id$ +// +// Copyright (C) 2013 by the deal.II authors +// +// This file is part of the deal.II library. +// +// The deal.II library is free software; you can use it, redistribute +// it, and/or modify it under the terms of the GNU Lesser General +// Public License as published by the Free Software Foundation; either +// version 2.1 of the License, or (at your option) any later version. +// The full text of the license can be found in the file LICENSE at +// the top level of the deal.II distribution. +// +// --------------------------------------------------------------------- + +/** + * @page changes_between_8_0_and_8_1 Changes between Version 8.0 and 8.1 + +

+This is the list of changes made between the release of +deal.II version 8.0.0 and that of 8.1.0. +All entries are signed with the names of the author. +

+ + + + + + +

Incompatibilities

+ +

+Following are a few modifications to the library that unfortunately +are incompatible with previous versions of the library, but which we +deem necessary for the future maintainability of the +library. Unfortunately, some of these changes will require +modifications to application programs. We apologize for the +inconvenience this causes. +

+ +
    +
  1. Changed: During the implementation of the 64-bit features for deal.II + 8.0, many linear algebra classes obtained a local typedef + size_type indicating the integer type that is used to index + into them. In some instances, this was accidentally set to + types::global_dof_index (which may be a 64-bit data type) + even in cases where this is clearly not going to work, for example for + FullMatrix::size_type, since we will not be able to store full matrix + objects of sizes for which a 32-bit index type is not sufficient. In + these cases, the typedef was reverted to just unsigned int. +
    + (Wolfgang Bangerth, 2013/12/04) +
    2. + +
  2. Removed: With the switch of the testsuite to CMake, the old report_features + and build test facilities are removed. +
    + (Matthias Maier, 2013/12/03) +
    3. + +
  3. + Changed: The kinds of template arguments for the VectorTools::interpolate + function taking a Mapping as first argument has changed. This was done to + work around a bug in the Intel ICC compiler which led to linker errors. Since + the actual function argument list remains unchanged, the only way you will + notice this change is if you explicitly specify template arguments. + The only place one would typically do that is if you take the address of + a template function. Since this is not a common operation, the impact of this + change is probably limited. +
    + (Wolfgang Bangerth, 2013/11/27) +
    4. + +
  4. + Changed: The ghost handling of the parallel::distributed::Vector class has + been reworked: The vector now carries a global state that stores whether + ghost elements have been updated or not. If a vector has ghost elements, it + does not allow calls to compress() any more. Instead, a compress operation + can now only be done when the ghost entries have been cleared before by + calling zero_out_ghosts() or operator=0. The state can be queried by the new + method has_ghost_elements(). This change avoids spurious entries to be + inserted with compress(), but requires some change in user codes. The + behavior of a ghosted vector is now very similar to ghosted PETSc and + Trilinos vectors. The only difference is that the same vector can + also be used as a non-ghosted vector which is designed for use in assembly + routines. +
    + (Martin Kronbichler, 2013/10/18) +
    5. + +
  5. + Removed: GridTools::collect_periodic_face_pairs. This function is superseded + by GridTools::collect_periodic_faces which exports an + std::vector> instead. +
    + (Matthias Maier, 2013/09/30) +
    6. + +
  6. + Removed: The member function face_to_equivalent_cell_index() in + FiniteElementData has been removed. It had been deprecated a while + back already. Please use FiniteElement::face_to_cell_index() instead. +
    + (Wolfgang Bangerth, 2013/08/09) +
    7. + +
  7. + Changed: The typedefs DataOut::cell_iterator and + DataOut::active_cell_iterator were previously defined as + DoFHandler::(active)_cell_iterator, while they are now + Triangulation::(active)_cell_iterator. This is necessary to support DataOut + on multiple DoFHandler objects. This affects possible overloading of + DataOut::next_cell(cell_iterator). Use the typedef + DataOut::(active)_cell_iterator as argument type instead. +
    + (Martin Kronbichler, 2013/07/24) +
    8. +
+ + + + + +

General

+ + +
    +
  1. Improved: The build system now supports usage of the library + out of the build directory without prior installation. This is done by + exporting an additional project configuration just for the build directory. + Furthermore, a bunch of convenience targets get now defined that just build + individual components (such as just the documentation or the libraries), and + if CMAKE_INSTALL_PREFIX is set, also install that specific component. +
    + (Matthias Maier, Luca Heltai, 2013/12/03) +
    2. + +
  2. Fixed: Missing instantiations of SparseDirectMUMPS have been added. +
    + (Timo Heister, 2013/11/25) +
    3. + +
  3. New: introduced "make test" that runs a minimal set of tests. We + encourage every user to run this, especially if they run in to problems. + The tests are automatically picked depending on the configuration and + will be shipped with every release. +
    + (Timo Heister, Matthias Maier, 2013/11/08) +
    4. + +
  4. Changed: It is now possible to restore a parallel Triangulation + (and solutions) with a different number of processors it was saved with + using Triangulation::save() and Triangulation::load(). +
    + (Timo Heister, 2013/11/02) +
    5. + +
  5. Added support for Windows: It is now possible again to use gcc on Windows + in order to compile the library. We support gcc-4.8.1 on Cygwin64 and MinGW-w64. +
    + (Matthias Maier, 2013/11/01) +
    6. + +
  6. Changed: step-9, step-13 and step-14 have been converted to use the + more modern WorkStream concept for assembling linear systems and computing + error indicators in parallel. +
    + (Bruno Turcksin, Wolfgang Bangerth, 2013/10/26) +
    7. + +
  7. New: The testsuite is now ported to + CMake and uses CTest as test driver. +
    + (Wolfgang Bangerth, Timo Heister, Matthias Maier, Bruno Turcksin, 2013/10/20) +
    8. + +
  8. + Changed: multithreadinfo::n_default_threads is now deprecated. Use the + new n_threads() function instead, which works correctly with TBB. +
    + (Timo Heister, 2013/10/02) +
    9. + +
  9. + Changed: if configured with TBB but the number of threads is set to 1, + do not bother to use TBB in workstream. +
    + (Timo Heister, 2013/10/02) +
    10. + +
  10. + New: step-51 demonstrates the use of hybridized discontinuous Galerkin + methods in deal.II, using the face elements FE_FaceQ. The programs solves a + scalar convection-diffusion equation. +
    + (Martin Kronbichler and Scott Miller, 2013/10/01) +
    11. + +
  11. + New: There is now an element FE_FaceP that can be combined with FE_DGP in + hybridized DG methods. +
    + (Martin Kronbichler, 2013/09/17) +
    12. + +
  12. + Fixed: The DataOutBase::XDMFEntry class now has a proper serialization + function to allow for checkpointing. +
    + (Eric Heien, 2013/09/27) +
    13. + +
  13. + New: DataOutBase::DataOutFilter provides a way to remove duplicate vertices + and values from a solution vector when generating output. Currently it only + supports HDF5/XDMF output. +
    + (Eric Heien, 2013/09/27) +
    14. + +
  14. + Removed: DataOutBase::HDF5MemStream was removed and the functionality replaced + by DataOutBase::DataOutFilter. The user only manipulates these through + DataOutBase::write_hdf5_parallel so this change should be transparent. +
    + (Eric Heien, 2013/09/27) +
    15. + +
  15. + New: Like the usual DoFHandler class, the hp::DoFHandler class now also + has a cache that makes operations such as cell-@>get_dof_indices(...) + faster. This should accelerate many parts of the library that deal with + hp finite elements. +
    + (Wolfgang Bangerth, 2013/09/10) +
    16. + +
  16. + New: parallel::distributed::Triangulation now supports periodic boundaries. + DoFTools::make_periodicity_constraints and similar functions are now working + on parallel::distributed::Triangulation objects. +
    + (Tobin Isaac, Craig Michoski, Daniel Arndt, 2013/09/06) +
    17. + +
  17. + New: It is now possible to compile and link deal.II against LLVM's libcxx. For + this, a few issues with C++ standard violations are resolved. +
    + (Matthias Maier, 2013/08/09) +
    18. +
+ + + + + +

Specific improvements

+ +
    +
  1. Fixed: Several functions in namespace GridTools were not instantiated + for parallel::distributed::Triangulation objects. This is now fixed. +
    + (Denis Davydov, Wolfgang Bangerth, 2013/12/01) +
    2. + +
  2. Improved: The methods ConstraintMatrix::distribute_local_to_global + now use scratch data that is private to each thread instead of allocating + it for every cell anew. This gives better performance, in particular in + parallel, of these operations, while maintaining thread-safety (when + accessing non-overlapping rows, no race condition can exist). +
    + (Martin Kronbichler, 2013/12/03) +
    3. + +
  3. Improved: When attempting operations such as FEValues::get_function_values() + or FEValues::shape_value(), the FEValues object needs to know that what these + functions return has been computed previously. What is computed is specified + by the update flags that are passed to the constructor of all FEValues, FEFaceValues + and FESubfaceValues objects. If a user attempts an operation for which the + corresponding flag was not specified, an exception is generated. This exception + did say previously what the cause was, but it was not overly explicit. + The exception now generates a message that says exactly what is going wrong. +
    + (Wolfgang Bangerth, 2013/12/01) +
    4. + +
  4. Fixed: GridGenerator::truncated_cone() failed if half_length < 0.5*radius in 3d. +
    + (Timo Heister, 2013/11/25) +
    5. + +
  5. Fixed: make_hanging_node_constraints failed with an exception in a + parallel::distributed computation if the element is + RaviartThomas (and probably others). +
    + (Timo Heister, 2013/11/23) +
    6. + +
  6. Improved: CMake: Added a configuration check for incompatible ninja + + icc setup, fixed several setup and performance issues with the + testsuite. +
    + (Matthias Maier, 2013/11/20) +
    7. + +
  7. Changed: when a dealii::Exception is thrown, defer the symbol lookup of the + stack trace to when it is needed. This improves performance if what() is never + called. +
    + (Timo Heister, 2013/11/17) +
    8. + +
  8. Fixed: GridGenerator::parallelogram was not instantiated properly + when using intel compilers. +
    + (Timo Heister, 2013/11/17) +
    9. + +
  9. + Fixed: MappingQ1::transform_real_to_unit_cell() could fail in some + cases with very elongated and twisted cells. This should now be fixed + with an algorithm that uses a better method of computing the Newton + convergence. +
    + (Wolfgang Bangerth, 2013/11/17) +
    10. + +
  10. + Fixed: VectorTools::compute_no_normal_flux_constraints had a bug that + only appeared in rare cases at vertices of the domain if one adjacent + cell had two boundary indicators selected for no normal flux and another + had only one. This is now fixed. +
    + (Wolfgang Bangerth, 2013/11/17) +
    11. + +
  11. Fixed: dealii::FETools::interpolation_difference was + not working for TrilinosWrappers::MPI::Vectors with ghost + entries. The TrilinosWrappers::VectorBase class has now a + get_mpi_communicator method similar to the PETSc vector + classes. +
    + (Martin Steigemann, Martin Kronbichler, 2013/11/17) +
    12. + +
  12. Fixed: Bundled fparser is now compiled with FP_USE_THREAD_SAFE_EVAL in + case of enabled threading support so that it is thread safe. +
    + (Matthias Maier, reported by Francesco Cattoglio 2013/11/16) +
    13. + +
  13. Fixed: The CellData class now has a default constructor that + sets the material and boundary indicators to zero. This fixes certain + internal errors with the Intel ICC compiler. +
    + (Wolfgang Bangerth, 2013/11/13) +
    14. + +
  14. Cleanup: Removed obsolete files and files with unknown licensing + status from the source tree. Along the way, parameter_gui now uses + default icons from the desktop environment instead of bundled ones. +
    + (Matthias Maier, 2013/11/11) +
    15. + +
  15. New: There is now a framework for coloring graphs, with functions + in namespace GraphColoring. +
    + (Bruno Turcksin, Martin Kronbichler, 2013/11/06) +
    16. + +
  16. + Fixed: the DerivativeApproximation class was not working correctly when + used with parallel vectors. + (Timo Heister, 2013/10/28) +
    17. + +
  17. + ~Subscriptor and ~GrowingVectorMemory no longer throw an exception (the + former if disable_abort_on_exception was called) to be compatible with the + C++11 standard which otherwise requires the program to immediately call + std::terminate. This was done with a new macro "AssertNothrow". +
    + (Wolfgang Bangerth, Matthias Maier, Bruno Turcksin 2013/10/22) +
    18. + +
  18. + dealii::SolverControl::NoConvergence now inherits dealii::ExceptionBase and + is thrown via AssertThrow(false, ... ). +
    + (Matthias Maier, 2013/10/20) +
    19. + +
  19. + New: parallel::distributed::BlockVector has now methods update_ghost_values, + compress, zero_out_ghosts, and has_ghost_elements that do the respective + operation on each block of parallel::distributed::Vector. +
    + (Martin Kronbichler, 2013/10/18) +
    20. + +
  20. + Fixed: When deriving from DataOut to filter the cells where output is generated, there were two different bugs that result in segmentation faults or wrong cells written (example, step-18). +
    + (Timo Heister, 2013/10/16) +
    21. + +
  21. + New: GridIn::read_vtk() reads 2d and 3d meshes in VTK format. +
    + (Mayank Sabharwal, Andreas Putz, 2013/10/07) +
    22. + +
  22. + Fixed: ConstraintMatrix would not compress() the IndexSet in the constructor + leading to crashes that only happen in release mode. This is now fixed. +
    + (Timo Heister, 2013/09/27) +
    23. + +
  23. + Fixed: PetscWrappers::MatrixBase::row_length() no longer worked after recent changes + to PETSc (around PETSc release 3.4). This is now fixed. +
    + (Wolfgang Bangerth, 2013/09/24) +
    24. + +
  24. + New: Added write_visit_record that allows writing .visit files with multiple blocks + and multiple time steps. +
    + (Fahad Alrashed, 2013/09/21) +
    25. + +
  25. + Changed: GridTools::have_same_coarse_mesh was only instantiated for + MGDoFHandler arguments in debug mode. This is now fixed. +
    + (Timo Heister, 2013/09/20) +
    26. + +
  26. + Changed: GridTools::find_active_cell_around_point now throws the exception + GridTools::ExcPointNotFound + if the point is outside the Triangulation. This exception can be caught. +
    + (Timo Heister, 2013/09/18) +
    27. + +
  27. + Changed: we now call MPI_Init_thread instead of MPI_Init. +
    + (Timo Heister, 2013/09/17) +
    28. + +
  28. + Enhancement: It is now possible to use the build directory directly without + the need to install first. For this, a second copy of all necessary project + configuration files (deal.IIConfig.cmake, ..., Make.global_options) are + generated and deployed in the build directory. (This is fully compatible with + the old possibility to install into the build dir.) +
    + (Matthias Maier, 2013/09/15) +
    29. + +
  29. + Fixed: DoFTools::extract_locally_*_dofs now instantiated for hp::DofHandler. +
    + (Jean-Paul Pelteret, 2013/09/11) +
    30. + +
  30. + Changed: distributed::parallel:BlockVector::operator= now allows importing + of ghost values like all other vector types. Also added some new constructors + for BlockVector and Vector using IndexSets to mirror the other linear algebra + classes. +
    + (Timo Heister, 2013/09/04) +
    31. + +
  31. + Fixed: VectorTools::compute_no_normal_flux_constraints had a bug that + only manifested on complex meshes. This is now fixed. +
    + (Chih-Che Chueh, Wolfgang Bangerth, 2013/09/04) +
    32. + +
  32. + New: All vector classes now have functions extract_subvector_to() + that allow extracting not just a single value but a whole set. +
    + (Fahad Alrashed, 2013/09/02) +
    33. + +
  33. + Fixed: common/Make.global_options now exports enable-threads + correctly, furthermore, lib-suffix, shared-lib-suffix + and static-lib-suffix are now exported as well for better legacy + support. +
    + (Matthias Maier, 2013/08/30) +
    34. + +
  34. + New: The ParameterHandler class can now deal with including one parameter + file from another. +
    + (Wolfgang Bangerth, 2013/08/25) +
    35. + +
  35. + New: The method VectorTools::compute_normal_flux_constraints can be used to + force a vector finite element function to be normal to the boundary. +
    + (Martin Kronbichler, 2013/08/23) +
    36. + +
  36. + Improved: MappingQ now uses the points of the Gauss-Lobatto quadrature + formula as support points instead of equispaced ones. This allows its use + for high polynomial orders and also gives better interpolation of circular + boundaries. Beware that mappings of order three and higher will behave + slightly differently now (usually better). +
    + (Martin Kronbichler, 2013/08/23) +
    37. + +
  37. + Improved: Several .cc files in the deal.II directory have been split in + order to better utilize multiple processors when compiling in parallel and + reduce memory requirements of the compilation stage. +
    + (Martin Kronbichler, 2013/08/22) +
    38. + +
  38. + Fixed: The ParameterHandler::declare_entry() did not check that the + default value of a parameter indeed satisfies the pattern given for this + parameter (despite a statement in the documentation that this checking + would happen). This is now fixed. +
    + (Wolfgang Bangerth, 2013/08/21) +
    39. + +
  39. + New: Patterns::List and Patterns::Map now accept a string + different than the default comma that denotes the separator + between entries of the list or map. +
    + (Wolfgang Bangerth, 2013/08/21) +
    40. + +
  40. + Fixed: Some operations in the MappingQ class are now done in higher + precision arithmetic to mitigate the ill-conditioning that appears + when using mappings of high order (say, order 6 or 8 or 10). +
    + (Juan Carlos Araujo Cabarcas, 2013/08/20) +
    41. + +
  41. + Fixed: The SLEPcWrappers classes could not be compiled for 64-bit + indices. This is now fixed. +
    + (Denis Davydov, Wolfgang Bangerth, 2013/08/20) +
    42. + +
  42. + Fixed: SolutionTransfer used to crash whenever one transfered in the hp + context between cells that use FE_Nothing and FE_Q. This is now fixed. +
    + (Krzyszof Bzowski, Wolfgang Bangerth, 2013/08/18) +
    43. + +
  43. + Fixed: Under some circumstances (see http://code.google.com/p/dealii/issues/detail?id=82) + the DoFTools::make_periodicity_constraints() function could create cycles in + the ConstraintMatrix object. This is now fixed. +
    + (David Emerson, Wolfgang Bangerth, 2013/08/16) +
    44. + +
  44. + New: There is now a function ConstraintMatrix::are_identity_constrained(). +
    + (Wolfgang Bangerth, 2013/08/16) +
    45. + +
  45. + New: TableHandler::write_text() now also supports output in + org-mode (http://orgmode.org/) format via a new entry in the + TableHandler::TextOutputFormat enumeration. +
    + (Oleh Krehel, 2013/08/15) +
    46. + +
  46. + New: There are now global functions scalar_product + that compute the scalar product (double contraction) between + tensors of rank 2. +
    + (Scott Miller, 2013/08/14) +
    47. + +
  47. + Fixed: Creating objects of type MappingQ was previously only possible + for low order polynomials. For orders higher than around 6, one ran + into assertions that tested for internal consistency. These assertions + have now been appropriately relaxes for the growth of round-off errors + with growing polynomial degrees. +
    + (Juan Carlos Araujo Cabarcas, Wolfgang Bangerth, 2013/08/14) +
    48. + +
  48. + New: MappingQEulerian is now also instantiated for vector elements + of type TrilinosWrappers::Vector as well as the MPI and block + variants. +
    + (Armin Ghajar Jazi, 2013/08/14) +
    49. + +
  49. + Fixed: The FiniteElement::face_to_cell_index() function had a bug + that made it work incorrectly for elements that have more than one + degree of freedom per line (in 2d) or per quad (in 3d). This is now + fixed for the most common cases, namely the FE_Q elements as well + as elements composed of FESystem elements. For all other cases, an + exception is generated reporting that this case is not implemented. + If you run into this, let us know. +
    + (Wolfgang Bangerth, 2013/08/10) +
    50. + +
  50. + New: DataOutBase::VtkFlags now has a flag + DataOutBase::VtkFlags::print_date_and_time that can be used to suppress output + of date and time in output files. This is useful in test suites where a newer + run at a different time produces differences against previously stored files, + even though the actual data is exactly the same. +
    + (Oleh Krehel, 2013/08/06) +
    51. + +
  51. + Fixed: The various block matrix classes are all derived from BlockMatrixBase + which had race conditions when the set() or add() functions were called from + different threads. This is now fixed. +
    + (Wolfgang Bangerth, 2013/08/05) +
    52. + +
  52. + Fixed: various fixes with assignment and reinit of PETScWrappers::MPI::Vector. +
    + (Timo Heister, 2013/08/05) +
    53. + +
  53. Fixed: An assertion wrongly triggered in + DoFTools::make_hanging_node_constraints when used with a particular + combination of FESystem elements containing FE_Nothing. This is now fixed. +
    + (Denis Davydov, Wolfgang Bangerth, 2013/08/01) +
    54. + +
  54. + New: Add has_ghost_elements() for PETScWrappers::MPI::BlockVector and + TrilinosWrappers::MPI::BlockVector. +
    + (Timo Heister, 2013/08/01) +
    55. + +
  55. + SparsityTools::distribute_sparsity_pattern did not work correctly for + block systems, this has been fixed (function has a different signature). +
    + (Timo Heister, 2013/07/31) +
    56. + +
  56. Fixed: When typing make run in the step-32 directory, + the program was executed with mpirun -np 2 ./step-32. This + assumes that a program mpirun exists, but also does that + deal.II was in fact compiled with MPI support on. Neither was intended. + This is now fixed. +
    + (Wolfgang Bangerth, 2013/07/24) +
    57. + +
  57. New: The DataOut, DataOutFaces, and DataOutRotation classes now allow + the output of data vectors using different DoFHandler objects (based on the + same triangulation), by new functions add_data_vector. This is used in the + step-31 tutorial program which avoids creating a joint DoFHandler just for + output. +
    + (Martin Kronbichler, 2013/07/24) +
    58. + +
  58. Changed: GridGenerator used to be a class with only static members + but is now a namespace, like all other similar constructs in deal.II. +
    + (Wolfgang Bangerth, 2013/07/24) +
    59. + +
  59. Changed: In GridGenerator, several functions had erroneously been changed + to take an argument of type size_type rather than unsigned + int. GridGenerator::size_type was a typedef to + types::global_dof_index, which for most users was unsigned int + anyway, but could also be set to be a 64-bit integer type. In any case, the + change has been reverted and these functions take just a regular + unsigned int again. +
    + (Wolfgang Bangerth, 2013/07/24) +
    60. +
+ + +*/ diff --git a/deal.II/doc/news/changes.h b/deal.II/doc/news/changes.h index de3399598c..9c944a6880 100644 --- a/deal.II/doc/news/changes.h +++ b/deal.II/doc/news/changes.h @@ -15,7 +15,7 @@ // --------------------------------------------------------------------- /** -// * @page changes_after_8_0 Changes after Version 8.0 +// * @page changes_after_8_1 Changes after Version 8.1

This is the list of changes made after the release of @@ -40,82 +40,6 @@ inconvenience this causes.

    -
  1. Changed: During the implementation of the 64-bit features for deal.II - 8.0, many linear algebra classes obtained a local typedef - size_type indicating the integer type that is used to index - into them. In some instances, this was accidentally set to - types::global_dof_index (which may be a 64-bit data type) - even in cases where this is clearly not going to work, for example for - FullMatrix::size_type, since we will not be able to store full matrix - objects of sizes for which a 32-bit index type is not sufficient. In - these cases, the typedef was reverted to just unsigned int. -
    - (Wolfgang Bangerth, 2013/12/04) -
    2. - -
  2. Removed: With the switch of the testsuite to CMake, the old report_features - and build test facilities are removed. -
    - (Matthias Maier, 2013/12/03) -
    3. - -
  3. - Changed: The kinds of template arguments for the VectorTools::interpolate - function taking a Mapping as first argument has changed. This was done to - work around a bug in the Intel ICC compiler which led to linker errors. Since - the actual function argument list remains unchanged, the only way you will - notice this change is if you explicitly specify template arguments. - The only place one would typically do that is if you take the address of - a template function. Since this is not a common operation, the impact of this - change is probably limited. -
    - (Wolfgang Bangerth, 2013/11/27) -
    4. - -
  4. - Changed: The ghost handling of the parallel::distributed::Vector class has - been reworked: The vector now carries a global state that stores whether - ghost elements have been updated or not. If a vector has ghost elements, it - does not allow calls to compress() any more. Instead, a compress operation - can now only be done when the ghost entries have been cleared before by - calling zero_out_ghosts() or operator=0. The state can be queried by the new - method has_ghost_elements(). This change avoids spurious entries to be - inserted with compress(), but requires some change in user codes. The - behavior of a ghosted vector is now very similar to ghosted PETSc and - Trilinos vectors. The only difference is that the same vector can - also be used as a non-ghosted vector which is designed for use in assembly - routines. -
    - (Martin Kronbichler, 2013/10/18) -
    5. - -
  5. - Removed: GridTools::collect_periodic_face_pairs. This function is superseded - by GridTools::collect_periodic_faces which exports an - std::vector> instead. -
    - (Matthias Maier, 2013/09/30) -
    6. - -
  6. - Removed: The member function face_to_equivalent_cell_index() in - FiniteElementData has been removed. It had been deprecated a while - back already. Please use FiniteElement::face_to_cell_index() instead. -
    - (Wolfgang Bangerth, 2013/08/09) -
    7. - -
  7. - Changed: The typedefs DataOut::cell_iterator and - DataOut::active_cell_iterator were previously defined as - DoFHandler::(active)_cell_iterator, while they are now - Triangulation::(active)_cell_iterator. This is necessary to support DataOut - on multiple DoFHandler objects. This affects possible overloading of - DataOut::next_cell(cell_iterator). Use the typedef - DataOut::(active)_cell_iterator as argument type instead. -
    - (Martin Kronbichler, 2013/07/24) -
@@ -126,130 +50,6 @@ inconvenience this causes.
    -
  1. Improved: The build system now supports usage of the library - out of the build directory without prior installation. This is done by - exporting an additional project configuration just for the build directory. - Furthermore, a bunch of convenience targets get now defined that just build - individual components (such as just the documentation or the libraries), and - if CMAKE_INSTALL_PREFIX is set, also install that specific component. -
    - (Matthias Maier, Luca Heltai, 2013/12/03) -
    2. - -
  2. Fixed: Missing instantiations of SparseDirectMUMPS have been added. -
    - (Timo Heister, 2013/11/25) -
    3. - -
  3. New: introduced "make test" that runs a minimal set of tests. We - encourage every user to run this, especially if they run in to problems. - The tests are automatically picked depending on the configuration and - will be shipped with every release. -
    - (Timo Heister, Matthias Maier, 2013/11/08) -
    4. - -
  4. Changed: It is now possible to restore a parallel Triangulation - (and solutions) with a different number of processors it was saved with - using Triangulation::save() and Triangulation::load(). -
    - (Timo Heister, 2013/11/02) -
    5. - -
  5. Added support for Windows: It is now possible again to use gcc on Windows - in order to compile the library. We support gcc-4.8.1 on Cygwin64 and MinGW-w64. -
    - (Matthias Maier, 2013/11/01) -
    6. - -
  6. Changed: step-9, step-13 and step-14 have been converted to use the - more modern WorkStream concept for assembling linear systems and computing - error indicators in parallel. -
    - (Bruno Turcksin, Wolfgang Bangerth, 2013/10/26) -
    7. - -
  7. New: The testsuite is now ported to - CMake and uses CTest as test driver. -
    - (Wolfgang Bangerth, Timo Heister, Matthias Maier, Bruno Turcksin, 2013/10/20) -
    8. - -
  8. - Changed: multithreadinfo::n_default_threads is now deprecated. Use the - new n_threads() function instead, which works correctly with TBB. -
    - (Timo Heister, 2013/10/02) -
    9. - -
  9. - Changed: if configured with TBB but the number of threads is set to 1, - do not bother to use TBB in workstream. -
    - (Timo Heister, 2013/10/02) -
    10. - -
  10. - New: step-51 demonstrates the use of hybridized discontinuous Galerkin - methods in deal.II, using the face elements FE_FaceQ. The programs solves a - scalar convection-diffusion equation. -
    - (Martin Kronbichler and Scott Miller, 2013/10/01) -
    11. - -
  11. - New: There is now an element FE_FaceP that can be combined with FE_DGP in - hybridized DG methods. -
    - (Martin Kronbichler, 2013/09/17) -
    12. - -
  12. - Fixed: The DataOutBase::XDMFEntry class now has a proper serialization - function to allow for checkpointing. -
    - (Eric Heien, 2013/09/27) -
    13. - -
  13. - New: DataOutBase::DataOutFilter provides a way to remove duplicate vertices - and values from a solution vector when generating output. Currently it only - supports HDF5/XDMF output. -
    - (Eric Heien, 2013/09/27) -
    14. - -
  14. - Removed: DataOutBase::HDF5MemStream was removed and the functionality replaced - by DataOutBase::DataOutFilter. The user only manipulates these through - DataOutBase::write_hdf5_parallel so this change should be transparent. -
    - (Eric Heien, 2013/09/27) -
    15. - -
  15. - New: Like the usual DoFHandler class, the hp::DoFHandler class now also - has a cache that makes operations such as cell-@>get_dof_indices(...) - faster. This should accelerate many parts of the library that deal with - hp finite elements. -
    - (Wolfgang Bangerth, 2013/09/10) -
    16. - -
  16. - New: parallel::distributed::Triangulation now supports periodic boundaries. - DoFTools::make_periodicity_constraints and similar functions are now working - on parallel::distributed::Triangulation objects. -
    - (Tobin Isaac, Craig Michoski, Daniel Arndt, 2013/09/06) -
    17. - -
  17. - New: It is now possible to compile and link deal.II against LLVM's libcxx. For - this, a few issues with C++ standard violations are resolved. -
    - (Matthias Maier, 2013/08/09) -
@@ -259,460 +59,6 @@ inconvenience this causes.

Specific improvements

    -
  1. Fixed: Several functions in namespace GridTools were not instantiated - for parallel::distributed::Triangulation objects. This is now fixed. -
    - (Denis Davydov, Wolfgang Bangerth, 2013/12/01) -
    2. - -
  2. Improved: The methods ConstraintMatrix::distribute_local_to_global - now use scratch data that is private to each thread instead of allocating - it for every cell anew. This gives better performance, in particular in - parallel, of these operations, while maintaining thread-safety (when - accessing non-overlapping rows, no race condition can exist). -
    - (Martin Kronbichler, 2013/12/03) -
    3. - -
  3. Improved: When attempting operations such as FEValues::get_function_values() - or FEValues::shape_value(), the FEValues object needs to know that what these - functions return has been computed previously. What is computed is specified - by the update flags that are passed to the constructor of all FEValues, FEFaceValues - and FESubfaceValues objects. If a user attempts an operation for which the - corresponding flag was not specified, an exception is generated. This exception - did say previously what the cause was, but it was not overly explicit. - The exception now generates a message that says exactly what is going wrong. -
    - (Wolfgang Bangerth, 2013/12/01) -
    4. - -
  4. Fixed: GridGenerator::truncated_cone() failed if half_length < 0.5*radius in 3d. -
    - (Timo Heister, 2013/11/25) -
    5. - -
  5. Fixed: make_hanging_node_constraints failed with an exception in a - parallel::distributed computation if the element is - RaviartThomas (and probably others). -
    - (Timo Heister, 2013/11/23) -
    6. - -
  6. Improved: CMake: Added a configuration check for incompatible ninja - + icc setup, fixed several setup and performance issues with the - testsuite. -
    - (Matthias Maier, 2013/11/20) -
    7. - -
  7. Changed: when a dealii::Exception is thrown, defer the symbol lookup of the - stack trace to when it is needed. This improves performance if what() is never - called. -
    - (Timo Heister, 2013/11/17) -
    8. - -
  8. Fixed: GridGenerator::parallelogram was not instantiated properly - when using intel compilers. -
    - (Timo Heister, 2013/11/17) -
    9. - -
  9. - Fixed: MappingQ1::transform_real_to_unit_cell() could fail in some - cases with very elongated and twisted cells. This should now be fixed - with an algorithm that uses a better method of computing the Newton - convergence. -
    - (Wolfgang Bangerth, 2013/11/17) -
    10. - -
  10. - Fixed: VectorTools::compute_no_normal_flux_constraints had a bug that - only appeared in rare cases at vertices of the domain if one adjacent - cell had two boundary indicators selected for no normal flux and another - had only one. This is now fixed. -
    - (Wolfgang Bangerth, 2013/11/17) -
    11. - -
  11. Fixed: dealii::FETools::interpolation_difference was - not working for TrilinosWrappers::MPI::Vectors with ghost - entries. The TrilinosWrappers::VectorBase class has now a - get_mpi_communicator method similar to the PETSc vector - classes. -
    - (Martin Steigemann, Martin Kronbichler, 2013/11/17) -
    12. - -
  12. Fixed: Bundled fparser is now compiled with FP_USE_THREAD_SAFE_EVAL in - case of enabled threading support so that it is thread safe. -
    - (Matthias Maier, reported by Francesco Cattoglio 2013/11/16) -
    13. - -
  13. Fixed: The CellData class now has a default constructor that - sets the material and boundary indicators to zero. This fixes certain - internal errors with the Intel ICC compiler. -
    - (Wolfgang Bangerth, 2013/11/13) -
    14. - -
  14. Cleanup: Removed obsolete files and files with unknown licensing - status from the source tree. Along the way, parameter_gui now uses - default icons from the desktop environment instead of bundled ones. -
    - (Matthias Maier, 2013/11/11) -
    15. - -
  15. New: There is now a framework for coloring graphs, with functions - in namespace GraphColoring. -
    - (Bruno Turcksin, Martin Kronbichler, 2013/11/06) -
    16. - -
  16. - Fixed: the DerivativeApproximation class was not working correctly when - used with parallel vectors. - (Timo Heister, 2013/10/28) -
    17. - -
  17. - ~Subscriptor and ~GrowingVectorMemory no longer throw an exception (the - former if disable_abort_on_exception was called) to be compatible with the - C++11 standard which otherwise requires the program to immediately call - std::terminate. This was done with a new macro "AssertNothrow". -
    - (Wolfgang Bangerth, Matthias Maier, Bruno Turcksin 2013/10/22) -
    18. - -
  18. - dealii::SolverControl::NoConvergence now inherits dealii::ExceptionBase and - is thrown via AssertThrow(false, ... ). -
    - (Matthias Maier, 2013/10/20) -
    19. - -
  19. - New: parallel::distributed::BlockVector has now methods update_ghost_values, - compress, zero_out_ghosts, and has_ghost_elements that do the respective - operation on each block of parallel::distributed::Vector. -
    - (Martin Kronbichler, 2013/10/18) -
    20. - -
  20. - Fixed: When deriving from DataOut to filter the cells where output is generated, there were two different bugs that result in segmentation faults or wrong cells written (example, step-18). -
    - (Timo Heister, 2013/10/16) -
    21. - -
  21. - New: GridIn::read_vtk() reads 2d and 3d meshes in VTK format. -
    - (Mayank Sabharwal, Andreas Putz, 2013/10/07) -
    22. - -
  22. - Fixed: ConstraintMatrix would not compress() the IndexSet in the constructor - leading to crashes that only happen in release mode. This is now fixed. -
    - (Timo Heister, 2013/09/27) -
    23. - -
  23. - Fixed: PetscWrappers::MatrixBase::row_length() no longer worked after recent changes - to PETSc (around PETSc release 3.4). This is now fixed. -
    - (Wolfgang Bangerth, 2013/09/24) -
    24. - -
  24. - New: Added write_visit_record that allows writing .visit files with multiple blocks - and multiple time steps. -
    - (Fahad Alrashed, 2013/09/21) -
    25. - -
  25. - Changed: GridTools::have_same_coarse_mesh was only instantiated for - MGDoFHandler arguments in debug mode. This is now fixed. -
    - (Timo Heister, 2013/09/20) -
    26. - -
  26. - Changed: GridTools::find_active_cell_around_point now throws the exception - GridTools::ExcPointNotFound - if the point is outside the Triangulation. This exception can be caught. -
    - (Timo Heister, 2013/09/18) -
    27. - -
  27. - Changed: we now call MPI_Init_thread instead of MPI_Init. -
    - (Timo Heister, 2013/09/17) -
    28. - -
  28. - Enhancement: It is now possible to use the build directory directly without - the need to install first. For this, a second copy of all necessary project - configuration files (deal.IIConfig.cmake, ..., Make.global_options) are - generated and deployed in the build directory. (This is fully compatible with - the old possibility to install into the build dir.) -
    - (Matthias Maier, 2013/09/15) -
    29. - -
  29. - Fixed: DoFTools::extract_locally_*_dofs now instantiated for hp::DofHandler. -
    - (Jean-Paul Pelteret, 2013/09/11) -
    30. - -
  30. - Changed: distributed::parallel:BlockVector::operator= now allows importing - of ghost values like all other vector types. Also added some new constructors - for BlockVector and Vector using IndexSets to mirror the other linear algebra - classes. -
    - (Timo Heister, 2013/09/04) -
    31. - -
  31. - Fixed: VectorTools::compute_no_normal_flux_constraints had a bug that - only manifested on complex meshes. This is now fixed. -
    - (Chih-Che Chueh, Wolfgang Bangerth, 2013/09/04) -
    32. - -
  32. - New: All vector classes now have functions extract_subvector_to() - that allow extracting not just a single value but a whole set. -
    - (Fahad Alrashed, 2013/09/02) -
    33. - -
  33. - Fixed: common/Make.global_options now exports enable-threads - correctly, furthermore, lib-suffix, shared-lib-suffix - and static-lib-suffix are now exported as well for better legacy - support. -
    - (Matthias Maier, 2013/08/30) -
    34. - -
  34. - New: The ParameterHandler class can now deal with including one parameter - file from another. -
    - (Wolfgang Bangerth, 2013/08/25) -
    35. - -
  35. - New: The method VectorTools::compute_normal_flux_constraints can be used to - force a vector finite element function to be normal to the boundary. -
    - (Martin Kronbichler, 2013/08/23) -
    36. - -
  36. - Improved: MappingQ now uses the points of the Gauss-Lobatto quadrature - formula as support points instead of equispaced ones. This allows its use - for high polynomial orders and also gives better interpolation of circular - boundaries. Beware that mappings of order three and higher will behave - slightly differently now (usually better). -
    - (Martin Kronbichler, 2013/08/23) -
    37. - -
  37. - Improved: Several .cc files in the deal.II directory have been split in - order to better utilize multiple processors when compiling in parallel and - reduce memory requirements of the compilation stage. -
    - (Martin Kronbichler, 2013/08/22) -
    38. - -
  38. - Fixed: The ParameterHandler::declare_entry() did not check that the - default value of a parameter indeed satisfies the pattern given for this - parameter (despite a statement in the documentation that this checking - would happen). This is now fixed. -
    - (Wolfgang Bangerth, 2013/08/21) -
    39. - -
  39. - New: Patterns::List and Patterns::Map now accept a string - different than the default comma that denotes the separator - between entries of the list or map. -
    - (Wolfgang Bangerth, 2013/08/21) -
    40. - -
  40. - Fixed: Some operations in the MappingQ class are now done in higher - precision arithmetic to mitigate the ill-conditioning that appears - when using mappings of high order (say, order 6 or 8 or 10). -
    - (Juan Carlos Araujo Cabarcas, 2013/08/20) -
    41. - -
  41. - Fixed: The SLEPcWrappers classes could not be compiled for 64-bit - indices. This is now fixed. -
    - (Denis Davydov, Wolfgang Bangerth, 2013/08/20) -
    42. - -
  42. - Fixed: SolutionTransfer used to crash whenever one transfered in the hp - context between cells that use FE_Nothing and FE_Q. This is now fixed. -
    - (Krzyszof Bzowski, Wolfgang Bangerth, 2013/08/18) -
    43. - -
  43. - Fixed: Under some circumstances (see http://code.google.com/p/dealii/issues/detail?id=82) - the DoFTools::make_periodicity_constraints() function could create cycles in - the ConstraintMatrix object. This is now fixed. -
    - (David Emerson, Wolfgang Bangerth, 2013/08/16) -
    44. - -
  44. - New: There is now a function ConstraintMatrix::are_identity_constrained(). -
    - (Wolfgang Bangerth, 2013/08/16) -
    45. - -
  45. - New: TableHandler::write_text() now also supports output in - org-mode (http://orgmode.org/) format via a new entry in the - TableHandler::TextOutputFormat enumeration. -
    - (Oleh Krehel, 2013/08/15) -
    46. - -
  46. - New: There are now global functions scalar_product - that compute the scalar product (double contraction) between - tensors of rank 2. -
    - (Scott Miller, 2013/08/14) -
    47. - -
  47. - Fixed: Creating objects of type MappingQ was previously only possible - for low order polynomials. For orders higher than around 6, one ran - into assertions that tested for internal consistency. These assertions - have now been appropriately relaxes for the growth of round-off errors - with growing polynomial degrees. -
    - (Juan Carlos Araujo Cabarcas, Wolfgang Bangerth, 2013/08/14) -
    48. - -
  48. - New: MappingQEulerian is now also instantiated for vector elements - of type TrilinosWrappers::Vector as well as the MPI and block - variants. -
    - (Armin Ghajar Jazi, 2013/08/14) -
    49. - -
  49. - Fixed: The FiniteElement::face_to_cell_index() function had a bug - that made it work incorrectly for elements that have more than one - degree of freedom per line (in 2d) or per quad (in 3d). This is now - fixed for the most common cases, namely the FE_Q elements as well - as elements composed of FESystem elements. For all other cases, an - exception is generated reporting that this case is not implemented. - If you run into this, let us know. -
    - (Wolfgang Bangerth, 2013/08/10) -
    50. - -
  50. - New: DataOutBase::VtkFlags now has a flag - DataOutBase::VtkFlags::print_date_and_time that can be used to suppress output - of date and time in output files. This is useful in test suites where a newer - run at a different time produces differences against previously stored files, - even though the actual data is exactly the same. -
    - (Oleh Krehel, 2013/08/06) -
    51. - -
  51. - Fixed: The various block matrix classes are all derived from BlockMatrixBase - which had race conditions when the set() or add() functions were called from - different threads. This is now fixed. -
    - (Wolfgang Bangerth, 2013/08/05) -
    52. - -
  52. - Fixed: various fixes with assignment and reinit of PETScWrappers::MPI::Vector. -
    - (Timo Heister, 2013/08/05) -
    53. - -
  53. Fixed: An assertion wrongly triggered in - DoFTools::make_hanging_node_constraints when used with a particular - combination of FESystem elements containing FE_Nothing. This is now fixed. -
    - (Denis Davydov, Wolfgang Bangerth, 2013/08/01) -
    54. - -
  54. - New: Add has_ghost_elements() for PETScWrappers::MPI::BlockVector and - TrilinosWrappers::MPI::BlockVector. -
    - (Timo Heister, 2013/08/01) -
    55. - -
  55. - SparsityTools::distribute_sparsity_pattern did not work correctly for - block systems, this has been fixed (function has a different signature). -
    - (Timo Heister, 2013/07/31) -
    56. - -
  56. Fixed: When typing make run in the step-32 directory, - the program was executed with mpirun -np 2 ./step-32. This - assumes that a program mpirun exists, but also does that - deal.II was in fact compiled with MPI support on. Neither was intended. - This is now fixed. -
    - (Wolfgang Bangerth, 2013/07/24) -
    57. - -
  57. New: The DataOut, DataOutFaces, and DataOutRotation classes now allow - the output of data vectors using different DoFHandler objects (based on the - same triangulation), by new functions add_data_vector. This is used in the - step-31 tutorial program which avoids creating a joint DoFHandler just for - output. -
    - (Martin Kronbichler, 2013/07/24) -
    58. - -
  58. Changed: GridGenerator used to be a class with only static members - but is now a namespace, like all other similar constructs in deal.II. -
    - (Wolfgang Bangerth, 2013/07/24) -
    59. - -
  59. Changed: In GridGenerator, several functions had erroneously been changed - to take an argument of type size_type rather than unsigned - int. GridGenerator::size_type was a typedef to - types::global_dof_index, which for most users was unsigned int - anyway, but could also be set to be a 64-bit integer type. In any case, the - change has been reverted and these functions take just a regular - unsigned int again. -
    - (Wolfgang Bangerth, 2013/07/24) -
diff --git a/deal.II/doc/news/news.html b/deal.II/doc/news/news.html index b2eabc101b..f8c2111009 100644 --- a/deal.II/doc/news/news.html +++ b/deal.II/doc/news/news.html @@ -27,15 +27,30 @@ mailing list for additional news.

+
+
+ 2013/12/24: Version 8.1 released +
+
+ deal.II version 8.1 was released today. A full list of changes can be + found here. +
+ deal.II can be downloaded at + this site. +
+
2013/11/01: step-42 solves an elasto-plastic contact problem
diff --git a/deal.II/doc/users/doxygen.html b/deal.II/doc/users/doxygen.html index 3b226823ba..83cd5ef38d 100644 --- a/deal.II/doc/users/doxygen.html +++ b/deal.II/doc/users/doxygen.html @@ -32,6 +32,7 @@ Doxygen, if the online documentation is available, here. For older revisions, links are provided here by revision number: + 8.0.0, 8.0.0, 7.3.0, 7.2.0,