dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Thu, Jun 21, 2007 at 12:09:04PM +0200, Garth N. Wells wrote:
> 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.

Yes, or more precisely it is paid for by Simula and developed by
Kalkulo (Ola Røer Thorsen who has done an excellent job).

/Anders


> 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.
> 
> 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
> >>>>> _______________________________________________
> >>>>> DOLFIN-dev mailing list
> >>>>> DOLFIN-dev@xxxxxxxxxx
> >>>>> http://www.fenics.org/mailman/listinfo/dolfin-dev
> >>>> _______________________________________________
> >>>> DOLFIN-dev mailing list
> >>>> DOLFIN-dev@xxxxxxxxxx
> >>>> http://www.fenics.org/mailman/listinfo/dolfin-dev
> >>>>
> >>>
> >>> _______________________________________________
> >>> DOLFIN-dev mailing list
> >>> DOLFIN-dev@xxxxxxxxxx
> >>> http://www.fenics.org/mailman/listinfo/dolfin-dev
> >>>
> >>
> >> _______________________________________________
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> >> DOLFIN-dev@xxxxxxxxxx
> >> http://www.fenics.org/mailman/listinfo/dolfin-dev
> >>
> > 
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