From f04586182c9030fda4b37d7d4660ea7473ec3e25 Mon Sep 17 00:00:00 2001 From: hartmann Date: Mon, 26 May 2008 11:12:36 +0000 Subject: [PATCH] Release tasks 1-3: changes.h copied to 6.0.0-vs-6.1.0.h, etc. git-svn-id: https://svn.dealii.org/trunk@16211 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/doc/doxygen/deal.dox | 1 + deal.II/doc/news/6.0.0-vs-6.1.0.h | 549 ++++++++++++++++++++++++++++++ deal.II/doc/news/changes.h | 489 +------------------------- deal.II/doc/news/news.html | 13 +- 4 files changed, 562 insertions(+), 490 deletions(-) create mode 100644 deal.II/doc/news/6.0.0-vs-6.1.0.h diff --git a/deal.II/doc/doxygen/deal.dox b/deal.II/doc/doxygen/deal.dox index 93268dc288..00d9015210 100644 --- a/deal.II/doc/doxygen/deal.dox +++ b/deal.II/doc/doxygen/deal.dox @@ -10,6 +10,7 @@ INPUT = headers/ \ ../../deal.II/include/multigrid \ ../../deal.II/include/numerics \ tutorial/doxygen \ + ../news/6.0.0-vs-6.1.0.h \ ../news/changes.h HTML_OUTPUT = deal.II diff --git a/deal.II/doc/news/6.0.0-vs-6.1.0.h b/deal.II/doc/news/6.0.0-vs-6.1.0.h new file mode 100644 index 0000000000..dabec0e622 --- /dev/null +++ b/deal.II/doc/news/6.0.0-vs-6.1.0.h @@ -0,0 +1,549 @@ +/** + * @page changes_between_6.0_and_6.1 Changes between Version 6.0 and 6.1 + +

+This is the list of changes made between the release of +deal.II version 6.0 and version 6.1. It is subdivided into changes +made to the three sub-libraries base, +lac, and deal.II, as well as +changes to the general infrastructure, +documentation, etc. +

+ +

+All entries are signed with the names of the author. Regular +contributor's names are abbreviated by WB (Wolfgang Bangerth), GK +(Guido Kanschat), RH (Ralf Hartmann). +

+ + + +

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. Removed: The FullMatrix::add_diag function was removed. It + offered functionality of questionable use in the first place, and its + implementation was correct only for matrices of size $3 \times 3$, $4 \times 4$ + and $8 \times 8$ without anyone noticing for 10 years. Consequently, it can't + have been used very frequently. +
    + (WB 2007/12/09) +

    + +

  2. Changed: The namespace deal_II_numbers has been renamed dealii::numbers. + The old name stemmed from a time when not everything was already in + namespace dealii. The old name is retained via a namespace + alias but is deprecated and will eventually be removed. +
    + (WB 2007/11/02) +

    + +

  3. Changed: When writing output files in UCD format using either the + DataOutBase or the GridOut class, we used to write a preamble at the + beginning of the file that included the date and time the file was created. + However, several visualization programs get confused when confronted with + comments at the beginning of UCD files. Rather than printing a sensible + error message, they usually simply refuse to show any output, making it + very hard to track down the actual cause. +
    + The classes mentioned above previously allowed to suppress writing a preamble + by setting a flag in the DataOutBase::UcdFlags or GridOutFlags::Ucd + structures. Given how complicated it is to find the actual + source of trouble, the default for these flags has been changed to not + produce this preamble any more. If desired, the flag can be used to still + produce a preamble. +
    + (WB 2007/10/30) +

    + +

  4. Changed: The version number of the deal.II intermediate format written by + DataOutBase::write_deal_II_intermediate has been increased to 3 to accomodate the fact that + we now support writing vector-valued data to output files in at least some output formats. + (Previously, vector-valued date was written as a collection of scalar fields.) Since + we can only read files written in intermediate format that has the same number as the + files we generate, this means that files written with previous format numbers can now + no longer be read. +
    + (WB 2007/10/11) +

    + +

  5. Changed: FilteredMatrix now can be applied to any matrix having the standard + set of vmult functions. In order to achieve this, its interface + had to be overhauled. + Only the VECTOR template argument remains. Furthermore, instead of + PreconditionJacobi being applied to FilteredMatrix, FilteredMatrix + can now be applied to any preconditioner. +
    + (GK 2007/09/25) +

    + +

  6. Changed: The deprecated typedefs + internal::Triangulation::Line, + internal::Triangulation::Quad, and + internal::Triangulation::Hexahedron have been removed. +
    + (WB 2007/09/07) +

    +
+ + + + +

General

+ +
    +

  1. New: @ref step_33 "step-33", written mainly by David Neckels, + illustrates how the Euler equations of compressible inviscid gas + dynamics can be solved. More generally, the program also provides + a framework for the solution of arbitrary hyperbolic, nonlinear + conservation laws. +
    + (WB, 2008/05/23) +

    + +

  2. Improved: @ref step_16 "step-16" has been updated to show the + use of Multigrid with Dirichlet boundary conditions. +
    + (GK, 2007/05/13) +

    + +

  3. New: @ref step_22 "step-22", written by Martin Kronbichler and Wolfgang + Bangerth, shows how to solve, and in particular how to solve + efficiently, the Stokes equations that describe viscous + incompressible fluid flow. +
    + (WB, 2008/03/28) +

    + +

  4. New: @ref step_29 "step-29" demonstrates how problems involving + complex %numbers can be implemented by viewing real and imaginary parts + of a complex-valued solution as the two components of a vector-valued + function. +
    + (Moritz Allmaras, 2007/10/31) +

    + +

  5. New: A significantly simpler way to code the assembly of linear + systems for problems with more than one solution variable has been + implemented. This is explained in detail in the report on @ref vector_valued + and tutorial programs @ref step_20 "step-20" and @ref step_21 "step-21" + have been converted as well. +
    + (WB, 2008/02/23) +

    + +

  6. Improved: On Mac OS X, the operating system provides for + "frameworks", which are essentially collections of shared libraries. + We now link with the "Accelerate" framework (from Mac OS X 10.4 + onwards) or the "vecLib" framework (for previous versions) instead + of the individual BLAS and LAPACK libraries if they are needed. This + insulates us from having to use the actual name of these libraries, + which may be subject to change, and it may also link with optimized + or vectorized libraries if they are available. +
    + (Eh Tan, WB 2007/10/22) +

    + +
+ + + + +

base

+ +
    +

  1. New: The FunctionParser::default_variable_names() function returns +default names for variables in the given space dimension. For example, in +2d, this would be "x,y". +
    +(WB 2008/05/12) +

    2. + +

  2. New: ConvergenceTable::evaluate_convergence_rates has been incomplete +for a long time. An implementation for reduction_rate and +reduction_rate_log2 has been added in the case where one specifies +a reference column that allows to compute error rates also for local +refinement. +
    +(Luca Heltai 2008/04/16) +

    3. + +

  3. Fixed: The Utilities::int_to_string function did not work for 5 or 6 +digits, while its counterpart Utilities::needed_digits does. This is now fixed, +and the two are coherent. +
    +(Luca Heltai 2008/04/16) +

    4. + +

  4. New: The SymmetricTensor class now has a constructor that creates +an object from an array consisting its independent components. +
    +(WB 2008/02/21) +

    5. + +

  5. New: There are now output operators (i.e. operator@<@<) +for the SymmetricTensor class. +
    +(WB 2008/02/12) +

    6. + +

  6. Improved: LogStream is now thread safe and output lines from different +threads are separated now. Additionally, a function LogStream::log_thread_id() +has been added to log the id of the thread printing the message. The semantics +has slightly changed in that the header is now printed at the time when the line +is finished. +
    +(GK 2008/01/22) +

    7. + +

  7. New: There is a function Threads::this_thread_id() now returning +an integer id of the current thread. +
    +(GK 2008/01/22) +

    8. + +

  8. Improved: Quadrature now has an assignment operator. +
    +(GK 2007/12/27) +

    9. + +

  9. Fixed: MultithreadInfo::n_cpus now gives the correct result + also on my Intel MacBook Pro. +
    + (Luca Heltai 2007/11/12) +

    10. + +

  10. New: There is now a template numbers::NumberTraits that provides + the means to implement linear algebra and other algorithms for both real + and complex data types. +
    + (WB 2007/11/03) +

    11. + +

  11. New: The DataOutBase class and derived classes can now deal with data that is + logically vector-valued, i.e. derived classes can pass down information that some of + the components of the output should be grouped together as vectors, instead of being + treated as a number of separate scalar fields. This allows visualization programs to + display these components as vector-fields right away, without the need to manually group + them together into a vector. +

    + While all output format writers receive the information necessary to do this, currently + only the VTK reader in DataOutBase::write_vtk as well as the deal.II + intermediate format writer make use of it. +

    + The use of this ability is explained in the @ref step_22 "step-22" and + @ref step_33 "step-33" tutorial programs. +
    + (WB 2007/10/11) +

    12. + +

  12. New: Macro #AssertDimension introduced for easier handling of + ExcDimensionMismatch. +
    + (GK 2007/09/13) +

    13. + +
+ + + + +

lac

+ +
    +

  1. Changed: A few simple PETSc wrappers for helper functions + PETScWrappers::MatrixBase::transpose, + PETScWrappers::MatrixBase::is_symmetric, + PETScWrappers::MatrixBase::is_hermitian, and + PETScWrappers::MatrixBase::write_ascii have been added. +
    + (Toby D. Young 2008/04/30) +

    + +
  2. Fixed: The SolverQMRS class could not deal with block vectors +and block matrices. This is now fixed. +
    +(WB 2008/3/20) +
    3. + +
  3. Fixed: The implementation of SparseILU::decompose was rather +inefficient in that it accessed random elements of the matrix in its +inner loop. It has been replaced by the algorithm given in the book +by Yves Saad: "Iterative methods for sparse linear systems", second +edition, in section 10.3.2. The code is now about 8 times faster than +before. +
    +(WB 2008/2/29) +
    4. + +
  4. Fixed: The implementation of SparseILU::vmult very needlessly called +SparseMatrix::vmult just to throw away the (nonsensical) result away +immediately. This is now fixed. +
    +(WB 2008/2/27) +
    5. + +
  5. New: The functionality print_gnuplot is now also available for sparsity +patterns derived from the class BlockSparsityPatternBase, e.g. for +BlockSparsityPattern in the same way as for general sparsity patterns. +
    +(Martin Kronbichler 2008/2/26) +
    6. + +
  6. Fixed: The PETScWrappers::MatrixBase::clear_row and +PETScWrappers::MatrixBase::clear_rows functions had a memory leak that made +PETSc become progressively slower over time. This is now fixed. +
    +(Daniel Goldberg 2008/2/20) +
    7. + +
  7. Improved: All GrowingVectorMemory objects that have the same template +argument will access the same memory pool. Therefore, it is now not a +crime any more to just create a memory pool and discard later. Furthermore, +logging of statistics has been switched off by default, such that linear +solvers remain silent. +
    +(GK 2007/12/16) +
    8. + +
  8. Fixed: Vector::operator/= can't work when the scaling factor is zero, +but it happened to check whether the factor was positive. That's of course +bogus, the check should have been whether it is non-zero. This has now been +fixed. +
    +(WB 2007/11/03) +
    9. + +
  9. New: A class ScaledMatrix was introduced which combines the vector operations of +an underlying matrix with a scaling. +
    +(GK 2007/10/30) +
    10. + +
  10. Improved: FilteredMatrix has an iterator now that allows users to access the +constraints individually. +
    +(GK 2007/10/30) +
    11. + + +
+ + + + +

deal.II

+ +
    + +

  1. Improved: GridOutFlags::Gnuplot now takes an additional curved_inner_cells + parameter. Similar to curved_inner_cells in DataOut this allows the output of interior + cells with curved boundaries. This is useful for MappingQEulerian or similar mappings. +
    + (RH 2008/05/12) +

    2. + +

  2. Fixed: Functions::FEFieldFunction.set_active_cell was declared + inline in the declaration but not in the implementation. This is now fixed. +
    + (Luca Heltai 2008/04/16) +

    3. + +

  3. New: The FE_RaviartThomasNodal now supports hp functionality. +
    + (Zhu Liang, 2008/04/04) +

    4. + +

  4. Improved: The StraightBoundary object Triangulation::straight_boundary + is now made public. This allows to use Triangulation::straight_boundary instead + of recreating a StraightBoundary object when needed. +
    + (RH, 2008/04/04) +

    5. + +

  5. Extendend: SolutionTransfer has an additional template parameters DH + for the dof handler class to use, which defaults to DoFHandler. However, an + instantiation is also provided for hp::DoFHandler. +
    + (Tobias Leicht, 2008/04/03) +

    6. + +

  6. Extended: DataOut has an extended interface now which enables a user + decision, which cells shall be written as curved cells using the provided + mapping: none, only cells at the boundary, or all cells. The last choice can + be useful when a mapping like MappingQEulerian is employed. +
    + (Tobias Leicht, 2008/03/20) +

    7. + +

  7. Changed: From now on the SolutionTransfer class does not use any user + pointers of the underlying Triangulation object. Thus several SolutionTransfer + instances with different DoFHandler objects can be used simultaneously. It is + no longer necessary to assemble all solution vectors into a new one with a + combined DoFHandler. +
    + (Tobias Leicht, 2008/03/18) +

    8. + +

  8. New: There is now a namespace DoFRenumbering::boost that contains the + implementation of interfaces to three reordering strategies provided by the + Boost Graph Library, namely DoFRenumbering::boost::Cuthill_McKee, + DoFRenumbering::boost::king_ordering, and DoFRenumbering::boost::minimum_degree. +
    + (WB 2008/03/07) +

    9. + +

  9. Changed: The DoFRenumbering class has been converted into a namespace. + Since all its members were static, this hasn't changed anything fundamental + and use of the functions therein should work in exactly the same way as before. +
    + (WB 2008/03/07) +

    10. + +

  10. New: The new TriaObjectAccessor::set_all_boundary_indicators function + does not only set the boundary indicator of the current object but of all that + bound it as well. For example, in 3d, if TriaObjectAccessor::set_boundary_indicator + is called on a face, then the boundary indicator of the 4 edges that bound the face + remain unchanged. On the other hand, the boundary indicators of face and edges are + all set at the same time using the new function. +
    + (WB 2008/02/26) +

    11. + +

  11. Improved: The tria pointer and the GridIn::debug_output_grid function + are changed from private to protected to be accessible in derived classes. +
    + (RH 2008/02/24) +

    12. + +

  12. New: The new Boundary::get_new_point_on_face and + get_intermediate_points_on_face functions offer an dimension independent + interface to the Boundary class. +
    + (RH 2008/02/24) +

    13. + +

  13. New: There is now a FEFaceValuesBase::get_face_index function which + returns the index of the face selected the last time the reinit() function + was called. +
    + (RH 2008/02/15) +

    14. + +

  14. New: The MappingQEulerian class provides an arbitrary order Eulerian + mapping where the nodes of a mesh are displaced by a previously computed + vector field. +
    + (Joshua White 2008/02/05) +

    15. + +

  15. New: The MappingQ class constructor now takes a parameter that determines + whether a higher order mapping should also be used for interior cells. By default, + the higher order mapping is only used for cells on the boundary; cells in the + interior are bounded by straight edges described by a (bi-, tri-)linear mapping. +
    + (WB 2008/02/05) +

    16. + +

  16. New: The function VectorTools::compute_no_normal_flux_constraints computes + the constraints that correspond to boundary conditions of the + form $\vec u \cdot \vec n = 0$. +
    + (WB 2008/01/23) +

    17. + +

  17. Fixed: Neither ConstraintMatrix::print nor ConstraintMatrix::write_dot + produced any output for constraints of the form $x_i=0$, i.e. where the right + hand side is a trivial linear combination of other degrees of freedom. This + is now fixed. +
    + (WB 2008/01/23) +

    18. + +

  18. Improved: GridGenerator::subdivided_hyper_rectangle now also colorizes + cells according to the octant they are in. +
    + (GK 2007/12/20) +

    19. + +

  19. New: The DataOut, DataOutRotation, DataOutStack, and DataOutFaces + can now deal with vector-valued data if the functions in DataOutBase + that write in a particular graphical output format can deal with it. + Previously, if a finite element field had more than one component, + they were all output as logically independent scalar components; + most visualization programs then allowed to display vector fields + by composing them of individual scalar fields for each vector component. +

    + With the new scheme, the DataOut_DoFData::add_data_vector() functions + inherited by the classes listed above take an additional parameter + that may be used to indicate that certain components of the data + logically form a vector field. The output formats for which this + is presently implemented then indicate this fact in the output file. The + mechanism is shown in action in @ref step_22 "step-22" and + @ref step_33 "step-33". +
    + (WB 2007/10/14) +

    20. + +

  20. Improved: UpdateFlags::update_q_points has been renamed to + UpdateFlags::update_quadrature_points. Additional update flags for support + points have been added without functionality, yet. +
    + (GK 2007/10/12) +

    21. + +

  21. Improved: The number of blocks of an FESystem was properly defined and the + constructors changed accordingly. At least non of the test programs noticed the change. +
    + (GK 2007/10/03) +

    22. + +

  22. Improved: In an effort to make names more consistent, second + derivatives in FEValuesBase and UpdateFlags have been renamed to + Hessians. Thus, the clash between the forms 2nd and + second has been removed. Old function and enum names are + available for compatibility but have been marked deprecated. +
    + (GK 2007/09/12) +

    23. + +

  23. Fixed+New: The GridOutFlags::Ucd and + GridOutFlags::Msh structures now take a new parameter + write_lines to output lines with boundary id different + from 0 in three-dimensional meshes. This fixes an annoying bug for + which meshes with ids different from zero where not written in a + compatible way, and if re-read with the corresponding + GridIn functions, would not yield the same mesh upon + refinement. +
    + (Luca Heltai 2007/09/10) +

    +
    24. + +

  24. Extended: The possibilities of graphical output via the DataOut, + DataOutFaces and DataOutRotation classes have been extended by the + ability to perform a postprocessing step before a given data + vector is written to the output. This way, derived variables can be + written instead of the original data. To this end, there is a new + version of DataOut_DoFData::add_data_vector taking a + data vector and a DataPostprocessor, which performs the actual + calculation of new data based on the values and possibly derivatives + of the original data at each point of the patch. +
    + (Tobias Leicht 2007/09/10) +

    +
    25. + +
+ + +*/ diff --git a/deal.II/doc/news/changes.h b/deal.II/doc/news/changes.h index 257bc689d5..2be8f5c7f5 100644 --- a/deal.II/doc/news/changes.h +++ b/deal.II/doc/news/changes.h @@ -1,9 +1,9 @@ /** - * @page changes_after_6.0 Changes after Version 6.0 + * @page changes_after_6.1 Changes after Version 6.1

This is the list of changes made after the release of -deal.II version 6.0. It is subdivided into changes +deal.II version 6.1. It is subdivided into changes made to the three sub-libraries base, lac, and deal.II, as well as changes to the general infrastructure, @@ -30,128 +30,6 @@ inconvenience this causes.

    -

  1. Removed: The FullMatrix::add_diag function was removed. It - offered functionality of questionable use in the first place, and its - implementation was correct only for matrices of size $3 \times 3$, $4 \times 4$ - and $8 \times 8$ without anyone noticing for 10 years. Consequently, it can't - have been used very frequently. -
    - (WB 2007/12/09) -

    - -

  2. Changed: The namespace deal_II_numbers has been renamed dealii::numbers. - The old name stemmed from a time when not everything was already in - namespace dealii. The old name is retained via a namespace - alias but is deprecated and will eventually be removed. -
    - (WB 2007/11/02) -

    - -

  3. Changed: When writing output files in UCD format using either the - DataOutBase or the GridOut class, we used to write a preamble at the - beginning of the file that included the date and time the file was created. - However, several visualization programs get confused when confronted with - comments at the beginning of UCD files. Rather than printing a sensible - error message, they usually simply refuse to show any output, making it - very hard to track down the actual cause. -
    - The classes mentioned above previously allowed to suppress writing a preamble - by setting a flag in the DataOutBase::UcdFlags or GridOutFlags::Ucd - structures. Given how complicated it is to find the actual - source of trouble, the default for these flags has been changed to not - produce this preamble any more. If desired, the flag can be used to still - produce a preamble. -
    - (WB 2007/10/30) -

    - -

  4. Changed: The version number of the deal.II intermediate format written by - DataOutBase::write_deal_II_intermediate has been increased to 3 to accomodate the fact that - we now support writing vector-valued data to output files in at least some output formats. - (Previously, vector-valued date was written as a collection of scalar fields.) Since - we can only read files written in intermediate format that has the same number as the - files we generate, this means that files written with previous format numbers can now - no longer be read. -
    - (WB 2007/10/11) -

    - -

  5. Changed: FilteredMatrix now can be applied to any matrix having the standard - set of vmult functions. In order to achieve this, its interface - had to be overhauled. - Only the VECTOR template argument remains. Furthermore, instead of - PreconditionJacobi being applied to FilteredMatrix, FilteredMatrix - can now be applied to any preconditioner. -
    - (GK 2007/09/25) -

    - -

  6. Changed: The deprecated typedefs - internal::Triangulation::Line, - internal::Triangulation::Quad, and - internal::Triangulation::Hexahedron have been removed. -
    - (WB 2007/09/07) -

    -
- - - - -

General

- -
    -

  1. New: @ref step_33 "step-33", written mainly by David Neckels, - illustrates how the Euler equations of compressible inviscid gas - dynamics can be solved. More generally, the program also provides - a framework for the solution of arbitrary hyperbolic, nonlinear - conservation laws. -
    - (WB, 2008/05/23) -

    - -

  2. Improved: @ref step_16 "step-16" has been updated to show the - use of Multigrid with Dirichlet boundary conditions. -
    - (GK, 2007/05/13) -

    - -

  3. New: @ref step_22 "step-22", written by Martin Kronbichler and Wolfgang - Bangerth, shows how to solve, and in particular how to solve - efficiently, the Stokes equations that describe viscous - incompressible fluid flow. -
    - (WB, 2008/03/28) -

    - -

  4. New: @ref step_29 "step-29" demonstrates how problems involving - complex %numbers can be implemented by viewing real and imaginary parts - of a complex-valued solution as the two components of a vector-valued - function. -
    - (Moritz Allmaras, 2007/10/31) -

    - -

  5. New: A significantly simpler way to code the assembly of linear - systems for problems with more than one solution variable has been - implemented. This is explained in detail in the report on @ref vector_valued - and tutorial programs @ref step_20 "step-20" and @ref step_21 "step-21" - have been converted as well. -
    - (WB, 2008/02/23) -

    - -

  6. Improved: On Mac OS X, the operating system provides for - "frameworks", which are essentially collections of shared libraries. - We now link with the "Accelerate" framework (from Mac OS X 10.4 - onwards) or the "vecLib" framework (for previous versions) instead - of the individual BLAS and LAPACK libraries if they are needed. This - insulates us from having to use the actual name of these libraries, - which may be subject to change, and it may also link with optimized - or vectorized libraries if they are available. -
    - (Eh Tan, WB 2007/10/22) -

@@ -161,96 +39,6 @@ inconvenience this causes.

base

    -

  1. New: The FunctionParser::default_variable_names() function returns -default names for variables in the given space dimension. For example, in -2d, this would be "x,y". -
    -(WB 2008/05/12) -

    2. - -

  2. New: ConvergenceTable::evaluate_convergence_rates has been incomplete -for a long time. An implementation for reduction_rate and -reduction_rate_log2 has been added in the case where one specifies -a reference column that allows to compute error rates also for local -refinement. -
    -(Luca Heltai 2008/04/16) -

    3. - -

  3. Fixed: The Utilities::int_to_string function did not work for 5 or 6 -digits, while its counterpart Utilities::needed_digits does. This is now fixed, -and the two are coherent. -
    -(Luca Heltai 2008/04/16) -

    4. - -

  4. New: The SymmetricTensor class now has a constructor that creates -an object from an array consisting its independent components. -
    -(WB 2008/02/21) -

    5. - -

  5. New: There are now output operators (i.e. operator@<@<) -for the SymmetricTensor class. -
    -(WB 2008/02/12) -

    6. - -

  6. Improved: LogStream is now thread safe and output lines from different -threads are separated now. Additionally, a function LogStream::log_thread_id() -has been added to log the id of the thread printing the message. The semantics -has slightly changed in that the header is now printed at the time when the line -is finished. -
    -(GK 2008/01/22) -

    7. - -

  7. New: There is a function Threads::this_thread_id() now returning -an integer id of the current thread. -
    -(GK 2008/01/22) -

    8. - -

  8. Improved: Quadrature now has an assignment operator. -
    -(GK 2007/12/27) -

    9. - -

  9. Fixed: MultithreadInfo::n_cpus now gives the correct result - also on my Intel MacBook Pro. -
    - (Luca Heltai 2007/11/12) -

    10. - -

  10. New: There is now a template numbers::NumberTraits that provides - the means to implement linear algebra and other algorithms for both real - and complex data types. -
    - (WB 2007/11/03) -

    11. - -

  11. New: The DataOutBase class and derived classes can now deal with data that is - logically vector-valued, i.e. derived classes can pass down information that some of - the components of the output should be grouped together as vectors, instead of being - treated as a number of separate scalar fields. This allows visualization programs to - display these components as vector-fields right away, without the need to manually group - them together into a vector. -

    - While all output format writers receive the information necessary to do this, currently - only the VTK reader in DataOutBase::write_vtk as well as the deal.II - intermediate format writer make use of it. -

    - The use of this ability is explained in the @ref step_22 "step-22" and - @ref step_33 "step-33" tutorial programs. -
    - (WB 2007/10/11) -

    12. - -

  12. New: Macro #AssertDimension introduced for easier handling of - ExcDimensionMismatch. -
    - (GK 2007/09/13) -

@@ -260,81 +48,6 @@ an integer id of the current thread.

lac

    -

  1. Changed: A few simple PETSc wrappers for helper functions - PETScWrappers::MatrixBase::transpose, - PETScWrappers::MatrixBase::is_symmetric, - PETScWrappers::MatrixBase::is_hermitian, and - PETScWrappers::MatrixBase::write_ascii have been added. -
    - (Toby D. Young 2008/04/30) -

    - -
  2. Fixed: The SolverQMRS class could not deal with block vectors -and block matrices. This is now fixed. -
    -(WB 2008/3/20) -
    3. - -
  3. Fixed: The implementation of SparseILU::decompose was rather -inefficient in that it accessed random elements of the matrix in its -inner loop. It has been replaced by the algorithm given in the book -by Yves Saad: "Iterative methods for sparse linear systems", second -edition, in section 10.3.2. The code is now about 8 times faster than -before. -
    -(WB 2008/2/29) -
    4. - -
  4. Fixed: The implementation of SparseILU::vmult very needlessly called -SparseMatrix::vmult just to throw away the (nonsensical) result away -immediately. This is now fixed. -
    -(WB 2008/2/27) -
    5. - -
  5. New: The functionality print_gnuplot is now also available for sparsity -patterns derived from the class BlockSparsityPatternBase, e.g. for -BlockSparsityPattern in the same way as for general sparsity patterns. -
    -(Martin Kronbichler 2008/2/26) -
    6. - -
  6. Fixed: The PETScWrappers::MatrixBase::clear_row and -PETScWrappers::MatrixBase::clear_rows functions had a memory leak that made -PETSc become progressively slower over time. This is now fixed. -
    -(Daniel Goldberg 2008/2/20) -
    7. - -
  7. Improved: All GrowingVectorMemory objects that have the same template -argument will access the same memory pool. Therefore, it is now not a -crime any more to just create a memory pool and discard later. Furthermore, -logging of statistics has been switched off by default, such that linear -solvers remain silent. -
    -(GK 2007/12/16) -
    8. - -
  8. Fixed: Vector::operator/= can't work when the scaling factor is zero, -but it happened to check whether the factor was positive. That's of course -bogus, the check should have been whether it is non-zero. This has now been -fixed. -
    -(WB 2007/11/03) -
    9. - -
  9. New: A class ScaledMatrix was introduced which combines the vector operations of -an underlying matrix with a scaling. -
    -(GK 2007/10/30) -
    10. - -
  10. Improved: FilteredMatrix has an iterator now that allows users to access the -constraints individually. -
    -(GK 2007/10/30) -
    11. -
@@ -345,204 +58,6 @@ constraints individually.
    -

  1. Improved: GridOutFlags::Gnuplot now takes an additional curved_inner_cells - parameter. Similar to curved_inner_cells in DataOut this allows the output of interior - cells with curved boundaries. This is useful for MappingQEulerian or similar mappings. -
    - (RH 2008/05/12) -

    2. - -

  2. Fixed: Functions::FEFieldFunction.set_active_cell was declared - inline in the declaration but not in the implementation. This is now fixed. -
    - (Luca Heltai 2008/04/16) -

    3. - -

  3. New: The FE_RaviartThomasNodal now supports hp functionality. -
    - (Zhu Liang, 2008/04/04) -

    4. - -

  4. Improved: The StraightBoundary object Triangulation::straight_boundary - is now made public. This allows to use Triangulation::straight_boundary instead - of recreating a StraightBoundary object when needed. -
    - (RH, 2008/04/04) -

    5. - -

  5. Extendend: SolutionTransfer has an additional template parameters DH - for the dof handler class to use, which defaults to DoFHandler. However, an - instantiation is also provided for hp::DoFHandler. -
    - (Tobias Leicht, 2008/04/03) -

    6. - -

  6. Extended: DataOut has an extended interface now which enables a user - decision, which cells shall be written as curved cells using the provided - mapping: none, only cells at the boundary, or all cells. The last choice can - be useful when a mapping like MappingQEulerian is employed. -
    - (Tobias Leicht, 2008/03/20) -

    7. - -

  7. Changed: From now on the SolutionTransfer class does not use any user - pointers of the underlying Triangulation object. Thus several SolutionTransfer - instances with different DoFHandler objects can be used simultaneously. It is - no longer necessary to assemble all solution vectors into a new one with a - combined DoFHandler. -
    - (Tobias Leicht, 2008/03/18) -

    8. - -

  8. New: There is now a namespace DoFRenumbering::boost that contains the - implementation of interfaces to three reordering strategies provided by the - Boost Graph Library, namely DoFRenumbering::boost::Cuthill_McKee, - DoFRenumbering::boost::king_ordering, and DoFRenumbering::boost::minimum_degree. -
    - (WB 2008/03/07) -

    9. - -

  9. Changed: The DoFRenumbering class has been converted into a namespace. - Since all its members were static, this hasn't changed anything fundamental - and use of the functions therein should work in exactly the same way as before. -
    - (WB 2008/03/07) -

    10. - -

  10. New: The new TriaObjectAccessor::set_all_boundary_indicators function - does not only set the boundary indicator of the current object but of all that - bound it as well. For example, in 3d, if TriaObjectAccessor::set_boundary_indicator - is called on a face, then the boundary indicator of the 4 edges that bound the face - remain unchanged. On the other hand, the boundary indicators of face and edges are - all set at the same time using the new function. -
    - (WB 2008/02/26) -

    11. - -

  11. Improved: The tria pointer and the GridIn::debug_output_grid function - are changed from private to protected to be accessible in derived classes. -
    - (RH 2008/02/24) -

    12. - -

  12. New: The new Boundary::get_new_point_on_face and - get_intermediate_points_on_face functions offer an dimension independent - interface to the Boundary class. -
    - (RH 2008/02/24) -

    13. - -

  13. New: There is now a FEFaceValuesBase::get_face_index function which - returns the index of the face selected the last time the reinit() function - was called. -
    - (RH 2008/02/15) -

    14. - -

  14. New: The MappingQEulerian class provides an arbitrary order Eulerian - mapping where the nodes of a mesh are displaced by a previously computed - vector field. -
    - (Joshua White 2008/02/05) -

    15. - -

  15. New: The MappingQ class constructor now takes a parameter that determines - whether a higher order mapping should also be used for interior cells. By default, - the higher order mapping is only used for cells on the boundary; cells in the - interior are bounded by straight edges described by a (bi-, tri-)linear mapping. -
    - (WB 2008/02/05) -

    16. - -

  16. New: The function VectorTools::compute_no_normal_flux_constraints computes - the constraints that correspond to boundary conditions of the - form $\vec u \cdot \vec n = 0$. -
    - (WB 2008/01/23) -

    17. - -

  17. Fixed: Neither ConstraintMatrix::print nor ConstraintMatrix::write_dot - produced any output for constraints of the form $x_i=0$, i.e. where the right - hand side is a trivial linear combination of other degrees of freedom. This - is now fixed. -
    - (WB 2008/01/23) -

    18. - -

  18. Improved: GridGenerator::subdivided_hyper_rectangle now also colorizes - cells according to the octant they are in. -
    - (GK 2007/12/20) -

    19. - -

  19. New: The DataOut, DataOutRotation, DataOutStack, and DataOutFaces - can now deal with vector-valued data if the functions in DataOutBase - that write in a particular graphical output format can deal with it. - Previously, if a finite element field had more than one component, - they were all output as logically independent scalar components; - most visualization programs then allowed to display vector fields - by composing them of individual scalar fields for each vector component. -

    - With the new scheme, the DataOut_DoFData::add_data_vector() functions - inherited by the classes listed above take an additional parameter - that may be used to indicate that certain components of the data - logically form a vector field. The output formats for which this - is presently implemented then indicate this fact in the output file. The - mechanism is shown in action in @ref step_22 "step-22" and - @ref step_33 "step-33". -
    - (WB 2007/10/14) -

    20. - -

  20. Improved: UpdateFlags::update_q_points has been renamed to - UpdateFlags::update_quadrature_points. Additional update flags for support - points have been added without functionality, yet. -
    - (GK 2007/10/12) -

    21. - -

  21. Improved: The number of blocks of an FESystem was properly defined and the - constructors changed accordingly. At least non of the test programs noticed the change. -
    - (GK 2007/10/03) -

    22. - -

  22. Improved: In an effort to make names more consistent, second - derivatives in FEValuesBase and UpdateFlags have been renamed to - Hessians. Thus, the clash between the forms 2nd and - second has been removed. Old function and enum names are - available for compatibility but have been marked deprecated. -
    - (GK 2007/09/12) -

    23. - -

  23. Fixed+New: The GridOutFlags::Ucd and - GridOutFlags::Msh structures now take a new parameter - write_lines to output lines with boundary id different - from 0 in three-dimensional meshes. This fixes an annoying bug for - which meshes with ids different from zero where not written in a - compatible way, and if re-read with the corresponding - GridIn functions, would not yield the same mesh upon - refinement. -
    - (Luca Heltai 2007/09/10) -

    -
    24. - -

  24. Extended: The possibilities of graphical output via the DataOut, - DataOutFaces and DataOutRotation classes have been extended by the - ability to perform a postprocessing step before a given data - vector is written to the output. This way, derived variables can be - written instead of the original data. To this end, there is a new - version of DataOut_DoFData::add_data_vector taking a - data vector and a DataPostprocessor, which performs the actual - calculation of new data based on the values and possibly derivatives - of the original data at each point of the patch. -
    - (Tobias Leicht 2007/09/10) -

    -
    25. -
diff --git a/deal.II/doc/news/news.html b/deal.II/doc/news/news.html index 2e77b2f327..65a5c99c96 100644 --- a/deal.II/doc/news/news.html +++ b/deal.II/doc/news/news.html @@ -28,10 +28,17 @@ mailing list for additional news.

-

Changes in the library since the last release are - here.

-
+
+ 2008/05/28: Version 6.1 released +
+
+ Version 6.1.0 was released today! + A complete list of changes between + versions 6.0.0 and 6.1.0 can be found here. +
+
2008/05/23: step-33 illustrates the Euler equations
-- 2.39.5