dolfin team mailing list archive

["Johan Hoffman" <jhoffman@xxxxxxxxxx>]

> Johan Hoffman wrote:
>>> Johan Hoffman wrote:
>>>> Looks great! So what does MeshBuilder do? Does it create
>>>> MeshFunction's
>>>> from a mesh using a graphical interface?
>>> Yes.
>>
>> Ok; very nice.
>>
>>>> Or is it a mesh generator?
>>> Not yet.
>>
>> Ok. Is there a plan for it to become one? And if so; is someone (you?)
>> going to write it from scratch, or is there something existent that
>> should
>> be wrapped?
>>
>
> It's being developed at Simula. There is possibility that it might
> eventually use something like Triangle and Tetgen for generation. I
> don't think that there is any plan to develop a mesh generation algorithm.

Ok.

Thanks,
Johan


>
> Garth
>
>
>> /Johan
>>
>>
>>> Garth
>>>
>>>> /Johan
>>>>
>>>>
>>>>> PS: A preview of MeshBuilder is now available by
>>>>>
>>>>>     hg clone http://www.fenics.org/dev/meshbuilder
>>>>>
>>>>> And here's a screenshot/teaser:
>>>>>
>>>>>     http://www.fenics.org/wiki/Image:Meshbuilder.png
>>>>>
>>>>> It may still be a bit rough around the edges but should mostly work.
>>>>>
>>>>> /Anders
>>>>>
>>>>>
>>>>> On Wed, Jun 20, 2007 at 08:17:56AM +0200, Anders Logg wrote:
>>>>>> 0.7.0 [2007-06-20]
>>>>>>  - Move to UFC interface for code generation
>>>>>>  - Major rewrite, restructure, cleanup
>>>>>>  - Add support for Brezzi-Douglas-Marini (BDM) elements
>>>>>>  - Add support for Raviart-Thomas (RT) elements
>>>>>>  - Add support for Discontinuous Galerkin (DG) methods
>>>>>>  - Add support for mesh partitioning (through SCOTCH)
>>>>>>  - Handle both UMFPACK and UFSPARSE
>>>>>>  - Local mesh refinement
>>>>>>  - Mesh smoothing
>>>>>>  - Built-in plotting (through Viper)
>>>>>>  - Cleanup log system
>>>>>>  - Numerous fixes for mesh, in particular MeshFunction
>>>>>>  - Much improved Python bindings for mesh
>>>>>>  - Fix Python interface for vertex and cell maps in boundary
>>>>>> computation
>>>>>> 0.6.4 [2006-12-01]
>>>>>>  - Switch from Python Numeric to Python NumPy
>>>>>>  - Improved mesh Python bindings
>>>>>>  - Add input/output support for MeshFunction
>>>>>>  - Change Mesh::vertices() --> Mesh::coordinates()
>>>>>>  - Fix bug in output of mesh to MATLAB format
>>>>>>  - Add plasticty module (experimental)
>>>>>>  - Fix configure test for Python dev (patch from Åsmund Ødegård)
>>>>>>  - Add mesh benchmark
>>>>>>  - Fix memory leak in mesh (data not deleted correctly in
>>>>>> MeshTopology)
>>>>>>  - Fix detection of curses libraries
>>>>>>  - Remove Tecplot output format
>>>>>> 0.6.3 [2006-10-27]
>>>>>>  - Move to new mesh library
>>>>>>  - Remove dolfin-config and move to pkg-config
>>>>>>  - Remove unused classes PArray, PList, Table, Tensor
>>>>>>  - Visualization of 2D solutions in OpenDX is now supported (3D
>>>>>> supported before)
>>>>>>  - Add support for evaluation of functionals
>>>>>>  - Fix bug in Vector::sum() for uBlas vectors
>>>>>> 0.6.2-1 [2006-09-06]
>>>>>>  - Fix compilation error when using --enable-petsc
>>>>>> (dolfin::uBlasVector::PETScVector undefined)
>>>>>> 0.6.2 [2006-09-05]
>>>>>>  - Finish chapter in manual on linear algebra
>>>>>>  - Enable PyDOLFIN by default, use --disable-pydolfin to disable
>>>>>>  - Disable PETSc by default, use --enable-petsc to enable
>>>>>>  - Modify ODE solver interface for u0() and f()
>>>>>>  - Add class ConvectionMatrix
>>>>>>  - Readd classes LoadVector, MassMatrix, StiffnessMatrix
>>>>>>  - Add matrix factory for simple creation of standard finite element
>>>>>> matrices
>>>>>>  - Collect static solvers in LU and GMRES
>>>>>>  - Bug fixes for Python interface PyDOLFIN
>>>>>>  - Enable use of direct solver for ODE solver (experimental)
>>>>>>  - Remove demo bistable
>>>>>>  - Restructure and cleanup linear algebra
>>>>>>  - Use UMFPACK for LU solver with uBlas matrix types
>>>>>>  - Add templated wrapper class for different uBlas matrix types
>>>>>>  - Add ILU preconditioning for uBlas matrices
>>>>>>  - Add Krylov solver for uBlas sparse matrices (GMRES and BICGSTAB)
>>>>>>  - Add first version of new mesh library (NewMesh, experimental)
>>>>>>  - Add Parametrized::readParameters() to trigger reading of values
>>>>>> on
>>>>>> set()
>>>>>>  - Remove output of zeros in Octave matrix file format
>>>>>>  - Use uBlas-based vector for Vector if PETSc disabled
>>>>>>  - Add wrappers for uBlas compressed_matrix class
>>>>>>  - Compute eigenvalues using SLEPc (an extension of PETSc)
>>>>>>  - Clean up assembly and linear algebra
>>>>>>  - Add function to solve Ax = b for dense matrices and dense vectors
>>>>>>  - Make it possible to compile without PETSc (--disable-petsc)
>>>>>>  - Much improved ODE solvers
>>>>>>  - Complete multi-adaptive benchmarks reaction and wave
>>>>>>  - Assemble boundary integrals
>>>>>>  - FEM class cleaned up.
>>>>>>  - Fix multi-adaptive benchmark problem reaction
>>>>>>  - Small fixes for Intel C++ compiler version 9.1
>>>>>>  - Test for Intel C++ compiler and configure appropriately
>>>>>>  - Add new classes DenseMatrix and DenseVector (wrappers for ublas)
>>>>>>  - Fix bug in conversion from Gmsh format
>>>>>> 0.6.1 [2006-03-28]
>>>>>>  - Regenerate build system in makedist script
>>>>>>  - Update for new FFC syntax: BasisFunction --> TestFunction,
>>>>>> TrialFunction
>>>>>>  - Fixes for conversion script dolfin-convert
>>>>>>  - Initial cleanups and fixes for ODE solvers
>>>>>>  - Numerous small fixes to improve portability
>>>>>>  - Remove dolfin:: qualifier on output << in Parameter.h
>>>>>>  - Don't use anonymous classes in demos, gives errors with some
>>>>>> compilers
>>>>>>  - Remove KrylovSolver::solver()
>>>>>>  - Fix bug in convection-diffusion demo (boundary condition for
>>>>>> pressure), use direct solver
>>>>>>  - LinearPDE and NewonSolver use umfpack LU solver by default (if
>>>>>> available) when doing direct solve
>>>>>>  - Set PETSc matrix type through Matrix constructor
>>>>>>  - Allow linear solver and preconditioner type to be passed to
>>>>>> NewtonSolver
>>>>>>  - Fix bug in Stokes demos (wrong boundary conditions)
>>>>>>  - Cleanup Krylov solver
>>>>>>  - Remove KrylovSolver::setPreconditioner() etc. and move to
>>>>>> constructors
>>>>>>  - Remove KrylovSolver::setRtol() etc. and replace with parameters
>>>>>>  - Fix remaining name changes: noFoo() --> numFoo()
>>>>>>  - Add Cahn-Hilliard equation demo
>>>>>>  - NewtonSolver option to use residual or incremental convergence
>>>>>> criterion
>>>>>>  - Add separate function to nls to test for convergence of Newton
>>>>>> iterations
>>>>>>  - Fix bug in dolfin-config (wrong version number)
>>>>>> 0.6.0 [2006-03-01]
>>>>>>  - Fix bug in XML output format (writing multiple objects)
>>>>>>  - Fix bug in XML matrix output format (handle zero rows)
>>>>>>  - Add new nonlinear PDE demo
>>>>>>  - Restructure PDE class to use envelope-letter design
>>>>>>  - Add precompiled finite elements for q <= 5
>>>>>>  - Add FiniteElementSpec and factor function for FiniteElement
>>>>>>  - Add input/output of Function to DOLFIN XML
>>>>>>  - Name change: dof --> node
>>>>>>  - Name change: noFoo() --> numFoo()
>>>>>>  - Add conversion from gmsh format in dolfin-convert script
>>>>>>  - Updates for PETSc 2.3.1
>>>>>>  - Add new type of Function (constant)
>>>>>>  - Simplify use of Function class
>>>>>>  - Add new demo Stokes + convection-diffusion
>>>>>>  - Add new demo Stokes (equal-order stabilized)
>>>>>>  - Add new demo Stokes (Taylor-Hood)
>>>>>>  - Add new parameter for KrylovSolvers: "monitor convergence"
>>>>>>  - Add conversion script dolfin-convert for various mesh formats
>>>>>>  - Add new demo elasticity
>>>>>>  - Move poisson demo to src/demo/pde/poisson
>>>>>>  - Move to Mercurial (hg) from CVS
>>>>>>  - Use libtool to build libraries (including shared)
>>>>>> 0.5.12 [2006-01-12]
>>>>>>  - Make Stokes solver dimension independent (2D/3D)
>>>>>>  - Make Poisson solver dimension independent (2D/3D)
>>>>>>  - Fix sparse matrix output format for MATLAB
>>>>>>  - Modify demo problem for Stokes, add exact solution and compute
>>>>>> error
>>>>>>  - Change interface for boundary conditions: operator() --> eval()
>>>>>>  - Add two benchmark problems for the Navier-Stokes solver
>>>>>>  - Add support for 2D/3D selection in Navier-Stokes solver
>>>>>>  - Move tic()/toc() to timing.h
>>>>>>  - Navier-Stokes solver back online
>>>>>>  - Make Solver a subclass of Parametrized
>>>>>>  - Add support for localization of parameters
>>>>>>  - Redesign of parameter system
>>>>>> 0.5.11 [2005-12-15]
>>>>>>  - Add script monitor for monitoring memory usage
>>>>>>  - Remove meminfo.h (not portable)
>>>>>>  - Remove dependence on parameter system in log system
>>>>>>  - Don't use drand48() (not portable)
>>>>>>  - Don't use strcasecmp() (not portable)
>>>>>>  - Remove sysinfo.h and class System (not portable)
>>>>>>  - Don't include <sys/utsname.h> (not portable)
>>>>>>  - Change ::show() --> ::disp() everywhere
>>>>>>  - Clean out old quadrature classes on triangles and tetrahedra
>>>>>>  - Clean out old sparse matrix code
>>>>>>  - Update chapter on Functions in manual
>>>>>>  - Use std::map to store parameters
>>>>>>  - Implement class KrylovSolver
>>>>>>  - Name change: Node --> Vertex
>>>>>>  - Add nonlinear solver demos
>>>>>>  - Add support for picking sub functions and components of functions
>>>>>>  - Update interface for FiniteElement for latest FFC version
>>>>>>  - Improve and restructure implementation of the Function class
>>>>>>  - Dynamically adjust safety factor during integration
>>>>>>  - Improve output Matrix::disp()
>>>>>>  - Check residual at end of time step, reject step if too large
>>>>>>  - Implement Vector::sum()
>>>>>>  - Implement nonlinear solver
>>>>>>  - New option for ODE solver: "save final solution" -->
>>>>>> solution.data
>>>>>>  - New ODE test problem: reaction
>>>>>>  - Fixes for automake 1.9 (nobase_include_HEADERS)
>>>>>>  - Reorganize build system, remove fake install and require make
>>>>>> install
>>>>>>  - Add checks for non-standard PETSc component HYPRE in NSE solver
>>>>>>  - Make GMRES solver return the number of iterations
>>>>>>  - Add installation script for Python interface
>>>>>>  - Add Matrix Market format (Haiko Etzel)
>>>>>>  - Automatically reinitialize GMRES solver when system size changes
>>>>>>  - Implement cout << for class Vector
>>>>>> 0.5.10 [2005-10-11]
>>>>>>  - Modify ODE solver interface: add T to constructor
>>>>>>  - Fix compilation on AMD 64 bit systems (add -fPIC)
>>>>>>  - Add new BLAS mode for form evaluation
>>>>>>  - Change enum types in File to lowercase
>>>>>>  - Change default file type for .m to Octave
>>>>>>  - Add experimental Python interface PyDOLFIN
>>>>>>  - Fix compilation for gcc 4.0
>>>>>> 0.5.9 [2005-09-23]
>>>>>>  - Add Stokes module
>>>>>>  - Support for arbitrary mixed elements through FFC
>>>>>>  - VTK output interface now handles time-dependent functions
>>>>>> automatically
>>>>>>  - Fix cout for empty matrix
>>>>>>  - Change dolfin_start() --> dolfin_end()
>>>>>>  - Add chapters to manual: about, log system, parameters, reference
>>>>>> elements,
>>>>>>    installation, contributing, license
>>>>>>  - Use new template fenicsmanual.cls for manual
>>>>>>  - Add compiler flag -U__STRICT_ANSI__ when compiling under Cygwin
>>>>>>  - Add class EigenvalueSolver
>>>>>> 0.5.8 [2005-07-05]
>>>>>>  - Add new output format Paraview/VTK (Garth N. Wells)
>>>>>>  - Update Tecplot interface
>>>>>>  - Move to PETSc 2.3.0
>>>>>>  - Complete support for general order Lagrange elements in triangles
>>>>>> and
>>>>>> tetrahedra
>>>>>>  - Add test problem in src/demo/fem/convergence/ for general
>>>>>> Lagrange
>>>>>> elements
>>>>>>  - Make FEM::assemble() estimate the number of nonzeros in each row
>>>>>>  - Implement Matrix::init(M, N, nzmax)
>>>>>>  - Add Matrix::nz(), Matrix::nzsum() and Matrix::nzmax()
>>>>>>  - Improve Mesh::disp()
>>>>>>  - Add FiniteElement::disp() and FEM::disp() (useful for debugging)
>>>>>>  - Remove old class SparseMatrix
>>>>>>  - Change FEM::setBC() --> FEM::applyBC()
>>>>>>  - Change Mesh::tetrahedrons --> Mesh::tetrahedra
>>>>>>  - Implement Dirichlet boundary conditions for tetrahedra
>>>>>>  - Implement Face::contains(const Point& p)
>>>>>>  - Add test for shape dimension of mesh and form in FEM::assemble()
>>>>>>  - Move src/demo/fem/ demo to src/demo/fem/simple/
>>>>>>  - Add README file in src/demo/poisson/ (simple manual)
>>>>>>  - Add simple demo program src/demo/poisson/
>>>>>>  - Update computation of alignment of faces to match FFC/FIAT
>>>>>> 0.5.7 [2005-06-23]
>>>>>>  - Clean up ODE test problems
>>>>>>  - Implement automatic detection of sparsity pattern from given
>>>>>> matrix
>>>>>>  - Clean up homotopy solver
>>>>>>  - Implement automatic computation of Jacobian
>>>>>>  - Add support for assembly of non-square systems (Andy Terrel)
>>>>>>  - Make ODE solver report average number of iterations
>>>>>>  - Make progress bar write first update at 0%
>>>>>>  - Initialize all values of u before solution in multi-adaptive
>>>>>> solver,
>>>>>>    not only components given by dependencies
>>>>>>  - Allow user to modify and verify a converging homotopy path
>>>>>>  - Make homotopy solver save a list of the solutions
>>>>>>  - Add Matrix::norm()
>>>>>>  - Add new test problem for CES economy
>>>>>>  - Remove cast from Parameter to const char* (use std::string)
>>>>>>  - Make solution data filename optional for homotopy solver
>>>>>>  - Append homotopy solution data to file during solution
>>>>>>  - Add dolfin::seed(int) for optionally seeding random number
>>>>>> generator
>>>>>>  - Remove dolfin::max,min (use std::max,min)
>>>>>>  - Add polynomial-integer (true polynomial) form of general CES
>>>>>> system
>>>>>>  - Compute multi-adaptive efficiency index
>>>>>>  - Updates for gcc 4.0 (patches by Garth N. Wells)
>>>>>>  - Add Matrix::mult(const real x[], uint row) (temporary fix,
>>>>>> assumes
>>>>>> uniprocessor case)
>>>>>>  - Add Matrix::mult(const Vector& x, uint row) (temporary fix,
>>>>>> assumes
>>>>>> uniprocessor case)
>>>>>>  - Update shortcuts MassMatrix and StiffnessMatrix to new system
>>>>>>  - Add missing friend to Face.h (reported by Garth N. Wells)
>>>>>> 0.5.6 [2005-05-17]
>>>>>>  - Implementation of boundary conditions for general order Lagrange
>>>>>> (experimental)
>>>>>>  - Use interpolation function automatically generated by FFC
>>>>>>  - Put computation of map into class AffineMap
>>>>>>  - Clean up assembly
>>>>>>  - Use dof maps automatically generated by FFC (experimental)
>>>>>>  - Modify interface FiniteElement for new version of FFC
>>>>>>  - Update ODE homotopy test problems
>>>>>>  - Add cross product to class Point
>>>>>>  - Sort mesh entities locally according to ordering used by FIAT and
>>>>>> FFC
>>>>>>  - Add new format for dof maps (preparation for higher-order
>>>>>> elements)
>>>>>>  - Code cleanups: NewFoo --> Foo complete
>>>>>>  - Updates for new version of FFC (0.1.7)
>>>>>>  - Bypass log system when finalizing PETSc (may be out of scope)
>>>>>> 0.5.5 [2005-04-26]
>>>>>>  - Fix broken log system, curses works again
>>>>>>  - Much improved multi-adaptive time-stepping
>>>>>>  - Move elasticity module to new system based on FFC
>>>>>>  - Add boundary conditions for systems
>>>>>>  - Improve regulation of time steps
>>>>>>  - Clean out old assembly classes
>>>>>>  - Clean out old form classes
>>>>>>  - Remove kernel module map
>>>>>>  - Remove kernel module element
>>>>>>  - Move convection-diffusion module to new system based on FFC
>>>>>>  - Add iterators for cell neighbors of edges and faces
>>>>>>  - Implement polynomial for of CES economy
>>>>>>  - Rename all new linear algebra classes: NewFoo --> Foo
>>>>>>  - Clean out old linear algebra
>>>>>>  - Speedup setting of boundary conditions (add MAT_KEEP_ZEROED_ROWS)
>>>>>>  - Fix bug for option --disable-curses
>>>>>> 0.5.4 [2005-03-29]
>>>>>>  - Remove option to compile with PETSc 2.2.0 (2.2.1 required)
>>>>>>  - Make make install work again (fix missing includes)
>>>>>>  - Add support for mixing multiple finite elements (through FFC)
>>>>>>  - Improve functionality of homotopy solver
>>>>>>  - Simple creation of piecewise linear functions (without having an
>>>>>> element)
>>>>>>  - Simple creation of piecewise linear elements
>>>>>>  - Add support of automatic creation of simple meshes (unit cube,
>>>>>> unit
>>>>>> square)
>>>>>> 0.5.3 [2005-02-26]
>>>>>>  - Change to PETSc version 2.2.1
>>>>>>  - Add flag --with-petsc=<path> to configure script
>>>>>>  - Move Poisson's equation to system based on FFC
>>>>>>  - Add support for automatic creation of homotopies
>>>>>>  - Make all ODE solvers automatically handle complex ODEs: (M) z' =
>>>>>> f(z,t)
>>>>>>  - Implement version of mono-adaptive solver for implicit ODEs: M u'
>>>>>> =
>>>>>> f(u,t)
>>>>>>  - Implement Newton's method for multi- and mono-adaptive ODE
>>>>>> solvers
>>>>>>  - Update PETSc wrappers NewVector, NewMatrix, and NewGMRES
>>>>>>  - Fix initialization of PETSc
>>>>>>  - Add mono-adaptive cG(q) and dG(q) solvers (experimental)
>>>>>>  - Implementation of new assebly: NewFEM, using output from FFC
>>>>>>  - Add access to mesh for nodes, cells, faces and edges
>>>>>>  - Add Tecplot I/O interface; contributed by Garth N. Wells
>>>>>> 0.5.2 [2005-01-26]
>>>>>>  - Benchmarks for DOLFIN vs PETSc (src/demo/form and src/demo/test)
>>>>>>  - Complete rewrite of the multi-adaptive ODE solver (experimental)
>>>>>>  - Add wrapper for PETSc GMRES solver
>>>>>>  - Update class Point with new operators
>>>>>>  - Complete rewrite of the multi-adaptive solver to improve
>>>>>> performance
>>>>>>  - Add PETSc wrappers NewMatrix and NewVector
>>>>>>  - Add DOLFIN/PETSc benchmarks
>>>>>> 0.5.1 [2004-11-10]
>>>>>>  - Experimental support for automatic generation of forms using FFC
>>>>>>  - Allow user to supply Jacobian to ODE solver
>>>>>>  - Add optional test to check if a dependency already exists
>>>>>> (Sparsity)
>>>>>>  - Modify sparse matrix output (Matrix::show())
>>>>>>  - Add FGMRES solver in new format (patch from eriksv)
>>>>>>  - Add non-const version of quick-access of sparse matrices
>>>>>>  - Add linear mappings for simple computation of derivatives
>>>>>>  - Add check of matrix dimensions for ODE sparsity pattern
>>>>>>  - Include missing cmath in Function.cpp
>>>>>> 0.5.0 [2004-08-18]
>>>>>>  - First prototype of new form evaluation system
>>>>>>  - New classes Jacobi, SOR, Richardson (preconditioners and linear
>>>>>> solvers)
>>>>>>  - Add integrals on the boundary (ds), partly working
>>>>>>  - Add maps from boundary of reference cell
>>>>>>  - Add evaluation of map from reference cell
>>>>>>  - New Matrix functions: max, min, norm, and sum of rows and columns
>>>>>> (erik)
>>>>>>  - Derivatives/gradients of ElementFunction (coefficients f.ex.)
>>>>>> implemented
>>>>>>  - Enable assignment to all elements of a NewArray
>>>>>>  - Add functions Boundary::noNodes(), noFaces(), noEdges()
>>>>>>  - New class GaussSeidel (preconditioner and linear solver)
>>>>>>  - New classes Preconditioner and LinearSolver
>>>>>>  - Bug fix for tetrahedral mesh refinement (ingelstrom)
>>>>>>  - Add iterators for Edge and Face on Boundary
>>>>>>  - Add functionality to Map: bdet() and cell()
>>>>>>  - Add connectivity face-cell and edge-cell
>>>>>>  - New interface for assembly: Galerkin --> FEM
>>>>>>  - Bug fix for PDE systems of size > 3
>>>>>> 0.4.11 [2004-04-23]
>>>>>>  - Add multigrid solver (experimental)
>>>>>>  - Update manual
>>>>>> 0.4.10
>>>>>>  - Automatic model reduction (experimental)
>>>>>>  - Fix bug in ParticleSystem (divide by mass)
>>>>>>  - Improve control of integration (add function ODE::update())
>>>>>>  - Load/save parameters in XML-format
>>>>>>  - Add assembly test
>>>>>>  - Add simple StiffnessMatrix, MassMatrix, and LoadVector
>>>>>>  - Change dK --> dx
>>>>>>  - Change dx() --> ddx()
>>>>>>  - Add support for GiD file format
>>>>>>  - Add performance tests for multi-adaptivity (both stiff and
>>>>>> non-stiff)
>>>>>>  - First version of Newton for the multi-adaptive solver
>>>>>>  - Test for Newton for the multi-adaptive solver
>>>>>> 0.4.9
>>>>>>  - Add multi-adaptive solver for the bistable equation
>>>>>>  - Add BiCGSTAB solver (thsv)
>>>>>>  - Fix bug in SOR (thsv)
>>>>>>  - Improved visual program for OpenDX
>>>>>>  - Fix OpenDX file format for scalar functions
>>>>>>  - Allow access to samples of multi-adaptive solution
>>>>>>  - New patch from thsv for gcc 3.4.0 and 3.5.0
>>>>>>  - Make progress step a parameter
>>>>>>  - New function ODE::sparse(const Matrix& A)
>>>>>>  - Access nodes, cells, edges, faces by id
>>>>>>  - New function Matrix::lump()
>>>>>> 0.4.8
>>>>>>  - Add support for systems (jansson and bengzon)
>>>>>>  - Add new module wave
>>>>>>  - Add new module wave-vector
>>>>>>  - Add new module elasticity
>>>>>>  - Add new module elasticity-stationary
>>>>>>  - Multi-adaptive updates
>>>>>>  - Fix compilation error in LogStream
>>>>>>  - Fix local Newton iteration for higher order elements
>>>>>>  - Init matrix to given type
>>>>>>  - Add output of cG(q) and dG(q) weights in matrix format
>>>>>>  - Fix numbering of frames from plotslab script
>>>>>>  - Add png output for plotslab script
>>>>>>  - Add script for running stiff test problems, plot solutions
>>>>>>  - Fix bug in MeshInit (node neighbors of node)
>>>>>>  - Modify output of sysinfo()
>>>>>>  - Compile with -Wall -Werror -pedantic -ansi -std=c++98 (thsv)
>>>>>> 0.4.7
>>>>>>  - Make all stiff test problems work
>>>>>>  - Display status report also when using step()
>>>>>>  - Improve adaptive damping for stiff problems (remove spikes)
>>>>>>  - Modify Octave/Matlab format for solution data (speed improvement)
>>>>>>  - Adaptive sampling of solution (optional)
>>>>>>  - Restructure stiff test problems
>>>>>>  - Check if value of right-hand side is valid
>>>>>>  - Modify divergence test in AdaptiveIterationLevel1
>>>>>> 0.4.6
>>>>>>  - Save vectors and matrices from Matlab/Octave (foufas)
>>>>>>  - Rename writexml.m to xmlmesh.m
>>>>>>  - Inlining of important functions
>>>>>>  - Optimize evaluation of elements
>>>>>>  - Optimize Lagrange polynomials
>>>>>>  - Optimize sparsity: use stl containers
>>>>>>  - Optimize choice of discrete residual for multi-adaptive solver
>>>>>>  - Don't save solution in benchmark proble
>>>>>>  - Improve computation of divergence factor for underdamped systems
>>>>>>  - Don't check residual on first slab for fixed time step
>>>>>>  - Decrease largest (default) time step to 0.1
>>>>>>  - Add missing <cmath> in TimeStepper
>>>>>>  - Move real into dolfin namespace
>>>>>> 0.4.5
>>>>>>  - Rename function.h to enable compilation under Cygwin
>>>>>>  - Add new benchmark problem for multi-adaptive solver
>>>>>>  - Bug fix for ParticleSystem
>>>>>>  - Initialization of first time step
>>>>>>  - Improve time step regulation (threshold)
>>>>>>  - Improve stabilization
>>>>>>  - Improve TimeStepper interface (Ko Project)
>>>>>>  - Use iterators instead of recursively calling TimeSlab::update()
>>>>>>  - Clean up ODESolver
>>>>>>  - Add iterators for elements in time slabs and element groups
>>>>>>  - Add -f to creation of symbolic links
>>>>>> 0.4.4
>>>>>>  - Add support for 3D graphics in Octave using Open Inventor (jj)
>>>>>> 0.4.3
>>>>>>  - Stabilization of multi-adaptive solver (experimental)
>>>>>>  - Improved non-support for curses (--disable-curses)
>>>>>>  - New class MechanicalSystem for simulating mechanical systems
>>>>>>  - Save debug info from primal and dual (plotslab.m)
>>>>>>  - Fix bug in progress bar
>>>>>>  - Add missing include file in Components.h (kakr)
>>>>>>  - New function dolfin_end(const char* msg, ...)
>>>>>>  - Move numerical differentiation to RHS
>>>>>>  - New class Event for limited display of messages
>>>>>>  - Fix bug in LogStream (large numbers in floating point format)
>>>>>>  - Specify individual time steps for different components
>>>>>>  - Compile without warnings
>>>>>>  - Add -Werror to option enable-debug
>>>>>>  - Specify individual methods for different components
>>>>>>  - Fix bug in dGqMethods
>>>>>>  - Fix bug (delete old block) in ElementData
>>>>>>  - Add parameters for method and order
>>>>>>  - New test problem reaction
>>>>>>  - New class FixedPointIteration
>>>>>>  - Fix bug in grid refinement
>>>>>> 0.4.2
>>>>>>  - Fix bug in computation of residual (divide by k)
>>>>>>  - Add automatic generation and solution of the dual problem
>>>>>>  - Automatic selection of file names for primal and dual
>>>>>>  - Fix bug in progress bar (TerminalLogger)
>>>>>>  - Many updates of multi-adaptive solver
>>>>>>  - Add class ODEFunction
>>>>>>  - Update function class hierarchies
>>>>>>  - Move functions to a separate directory
>>>>>>  - Store multi-adaptive solution binary on disk with cache
>>>>>> 0.4.1
>>>>>>  - First version of multi-adaptive solver working
>>>>>>  - Clean up file formats
>>>>>>  - Start changing from int to unsigned int where necessary
>>>>>>  - Fix bool->int when using stdard in Parameter
>>>>>>  - Add NewArray and NewList (will replace Array and List)
>>>>>> 0.4.0
>>>>>>  - Initiation of the FEniCS project
>>>>>>  - Change syntax of mesh files: grid -> mesh
>>>>>>  - Create symbolic links instead of copying files
>>>>>>  - Tanganyika -> ODE
>>>>>>  - Add Heat module
>>>>>>  - Grid -> Mesh
>>>>>>  - Move forms and mappings to separate libraries
>>>>>>  - Fix missing include of DirectSolver.h
>>>>>> 0.3.12
>>>>>>  - Adaptive grid refinement (!)
>>>>>>  - Add User Manual
>>>>>>  - Add function dolfin_log() to turn logging on/off
>>>>>>  - Change from pointers to references for Node, Cell, Edge, Face
>>>>>>  - Update writexml.m
>>>>>>  - Add new grid files and rename old grid files
>>>>>> 0.3.11
>>>>>>  - Add configure option --disable-curses
>>>>>>  - Grid refinement updates
>>>>>>  - Make OpenDX file format work for grids (output)
>>>>>>  - Add volume() and diameter() in cell
>>>>>>  - New classes TriGridRefinement and TetGridRefinement
>>>>>>  - Add iterators for faces and edges on a boundary
>>>>>>  - New class GridHierarchy
>>>>>> 0.3.10
>>>>>>  - Use new boundary structure in Galerkin
>>>>>>  - Make dolfin_start() and dolfin_end() work
>>>>>>  - Make dolfin_assert() raise segmentation fault for plain text mode
>>>>>>  - Add configure option --enable-debug
>>>>>>  - Use autoreconf instead of scripts/preconfigure
>>>>>>  - Rename configure.in -> configure.ac
>>>>>>  - New class FaceIterator
>>>>>>  - New class Face
>>>>>>  - Move computation of boundary from GridInit to BoundaryInit
>>>>>>  - New class BoundaryData
>>>>>>  - New class BoundaryInit
>>>>>>  - New class Boundary
>>>>>>  - Make InitGrid compute edges
>>>>>>  - Add test program for generic matrix in src/demo/la
>>>>>>  - Clean up Grid classes
>>>>>>  - Add new class GridRefinementData
>>>>>>  - Move data from Cell to GenericCell
>>>>>>  - Make GMRES work with user defined matrix, only mult() needed
>>>>>>  - GMRES now uses only one function to compute residual()
>>>>>>  - Change Matrix structure (a modified envelope/letter)
>>>>>>  - Update script checkerror.m for Poisson
>>>>>>  - Add function dolfin_info_aptr()
>>>>>>  - Add cast to element pointer for iterators
>>>>>>  - Clean up and improve the Tensor class
>>>>>>  - New class: List
>>>>>>  - Name change: List -> Table
>>>>>>  - Name change: ShortList -> Array
>>>>>>  - Make functions in GridRefinement static
>>>>>>  - Make functions in GridInit static
>>>>>>  - Fix bug in GridInit (eriksv)
>>>>>>  - Add output to OpenDX format for 3D grids
>>>>>>  - Clean up ShortList class
>>>>>>  - Clean up List class
>>>>>>  - New class ODE, Equation replaced by PDE
>>>>>>  - Add Lorenz test problem
>>>>>>  - Add new problem type for ODEs
>>>>>>  - Add new module ode
>>>>>>  - Work on multi-adaptive ODE solver (lots of new stuff)
>>>>>>  - Work on grid refinement
>>>>>>  - Write all macros in LoggerMacros in one line
>>>>>>  - Add transpose functions to Matrix (Erik)
>>>>>> 0.3.9
>>>>>>  - Update Krylov solver (Erik, Johan)
>>>>>>  - Add new LU factorization and LU solve (Niklas)
>>>>>>  - Add benchmark test in src/demo/bench
>>>>>>  - Add silent logger
>>>>>> 0.3.8
>>>>>>  - Make sure dolfin-config is regenerated every time
>>>>>>  - Add demo program for cG(q) and dG(q)
>>>>>>  - Add dG(q) precalc of nodal points and weights
>>>>>>  - Add cG(q) precalc of nodal points and weights
>>>>>>  - Fix a bug in configure.in (AC_INIT with README)
>>>>>>  - Add Lagrange polynomials
>>>>>>  - Add multiplication with transpose
>>>>>>  - Add scalar products with rows and columns
>>>>>>  - Add A[i][j] index operator for quick access to dense matrix
>>>>>> 0.3.7
>>>>>>  - Add new Matlab-like syntax like A(i,all) = x or A(3,all) =
>>>>>> A(4,all)
>>>>>>  - Add dolfin_assert() macro enabled if debug is defined
>>>>>>  - Redesign of Matrix/DenseMatrix/SparseMatrix to use Matrix as
>>>>>> common
>>>>>> interface
>>>>>>  - Include missing cmath in Legendre.cpp and GaussianQuadrature.cpp
>>>>>> 0.3.6
>>>>>>  - Add output functionality in DenseMatrix
>>>>>>  - Add high precision solver to DirectSolver
>>>>>>  - Clean up error messages in Matrix
>>>>>>  - Make solvers directly accessible through Matrix and DenseMatrix
>>>>>>  - Add quadrature (Gauss, Radau, and Lobatto) from Tanganyika
>>>>>>  - Start merge with Tanganyika
>>>>>>  - Add support for automatic documentation using doxygen
>>>>>>  - Update configure scripts
>>>>>>  - Add greeting at end of compilation
>>>>>> 0.3.5
>>>>>>  - Define version number only in the file configure.in
>>>>>>  - Fix compilation problem (missing depcomp)
>>>>>> 0.3.4
>>>>>>  - Fix bugs in some of the ElementFunction operators
>>>>>>  - Make convection-diffusion solver work again
>>>>>>  - Fix bug in integration, move multiplication with the determinant
>>>>>>  - Fix memory leaks in ElementFunction
>>>>>>  - Add parameter to choose output format
>>>>>>  - Make OctaveFile and MatlabFile subclasses of MFile
>>>>>>  - Add classes ScalarExpressionFunction and VectorExpressionFunction
>>>>>>  - Make progress bars work cleaner
>>>>>>  - Get ctrl-c in curses logger
>>>>>>  - Remove <Problem>Settings-classes and use dolfin_parameter()
>>>>>>  - Redesign settings to match the structure of the log system
>>>>>>  - Add vector functions: Function::Vector
>>>>>>  - Add vector element functions: ElementFunction::Vector
>>>>>> 0.3.3
>>>>>>  - Increased functionality of curses-based interface
>>>>>>  - Add progress bars to log system
>>>>>> 0.3.2
>>>>>>  - More work on grid refinement
>>>>>>  - Add new curses based log system
>>>>>> 0.3.1
>>>>>>  - Makefile updates: make install should now work properly
>>>>>>  - KrylovSolver updates
>>>>>>  - Preparation for grid refinement
>>>>>>  - Matrix and Vector updates
>>>>>> 0.3.0
>>>>>>  - Make poisson work again, other modules still not working
>>>>>>  - Add output format for octave
>>>>>>  - Fix code to compile with g++-3.2 -Wall -Werror
>>>>>>  - New operators for Matrix
>>>>>>  - New and faster GMRES solver (speedup factor 4)
>>>>>>  - Changed name from SparseMatrix to Matrix
>>>>>>  - Remove old unused code
>>>>>>  - Add subdirectory math containing mathematical functions
>>>>>>  - Better access for A(i,j) += to improve speed in assembling
>>>>>>  - Add benchmark for linear algebra
>>>>>>  - New definition of finite element
>>>>>>  - Add algebra for function spaces
>>>>>>  - Convert grids in data/grids to xml.gz
>>>>>>  - Add iterators for Nodes and Cells
>>>>>>  - Change from .hh to .h
>>>>>>  - Add operators to Vector class (foufas)
>>>>>>  - Add dependence on libxml2
>>>>>>  - Change from .C to .cpp to make Jim happy.
>>>>>>  - Change input/output functionality to streams
>>>>>>  - Change to new data structure for Grid
>>>>>>  - Change to object-oriented API at top level
>>>>>>  - Add use of C++ namespaces
>>>>>>  - Complete and major restructuring of the code
>>>>>>  - Fix compilation error in src/config
>>>>>>  - Fix name of keyword for convection-diffusion
>>>>>> 0.2.11-1
>>>>>>  - Fix compilation error (`source`) on Solaris
>>>>>> 0.2.11
>>>>>>  - Automate build process to simplify addition of new modules
>>>>>>  - Fix bug in matlab_write_field() (walter)
>>>>>>  - Fix bug in SparseMatrix::GetCopy() (foufas)
>>>>>> 0.2.10-1
>>>>>>  - Fix compilation errors on RedHat (thsv)
>>>>>> 0.2.10
>>>>>>  - Fix compilation of problems to use correct compiler
>>>>>>  - Change default test problems to the ones in the report
>>>>>>  - Improve memory management using mpatrol for tracking allocations
>>>>>>  - Change bool to int for va_arg, seems to be a problem with gcc >
>>>>>> 3.0
>>>>>>  - Improve input / output support: GiD, Matlab, OpenDX
>>>>>> 0.2.8
>>>>>>  - Navier-Stokes starting to work again
>>>>>>  - Add Navier-Stokes 2d
>>>>>>  - Bug fixes
>>>>>> 0.2.7
>>>>>>  - Add support for 2D problems
>>>>>>  - Add module convection-diffusion
>>>>>>  - Add local/global fields in equation/problem
>>>>>>  - Bug fixes
>>>>>>  - Navier-Stokes updates (still broken)
>>>>>> 0.2.6 [2002-02-19]
>>>>>>  - Navier-Stokes updates (still broken)
>>>>>>  - Output to matlab format
>>>>>> 0.2.5
>>>>>>  - Add variational formulation with overloaded operators for systems
>>>>>>  - ShapeFunction/LocalField/FiniteElement according to Scott &
>>>>>> Brenner
>>>>>> 0.2.4
>>>>>>  - Add boundary conditions
>>>>>>  - Poisson seems to work ok
>>>>>> 0.2.3
>>>>>>  - Add GMRES solver
>>>>>>  - Add CG solver
>>>>>>  - Add direct solver
>>>>>>  - Add Poisson solver
>>>>>>  - Big changes to the organisation of the source tree
>>>>>>  - Add kwdist.sh script
>>>>>>  - Bug fixes
>>>>>> 0.2.2:
>>>>>>  - Remove curses temporarily
>>>>>> 0.2.1:
>>>>>>  - Remove all PETSc stuff. Finally!
>>>>>>  - Gauss-Seidel cannot handle the pressure equation
>>>>>> 0.2.0:
>>>>>>  - First GPL release
>>>>>>  - Remove all of Klas Samuelssons proprietary grid code
>>>>>>  - Adaptivity and refinement broken, include in next release
>>>>>> _______________________________________________
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>>>>>
>>>>
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