dolfin team mailing list archive

["Anders Logg" <logg@xxxxxxxxx>]

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