History of Changes

Changes are sorted by "type" and then chronologically with the most recent at the top. These symbols denote the various action types:=add, =fix, =update

Jarmor

• Released version 1.1 of Jarmor. This version fixes two general errors in decoders (thanks to Adam Bennett for finding the errors) Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Finding the circle that best fits a set of points

• Fixed an implementation error in the CircleFitter java class (thanks to Vadim Popov for finding the error) Committed by LM.
• Improved the paper Finding the circle that best fits a set of points to add some comments about initialization issues and to fix the wrong conclusion induced by the implementation error Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 7.2 of Mantissa. This version fixes an array update error in DummyStepInterpolator that could show up while serializing the interpolator despite having set up the step handler to not use continuous output. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 7.1 of Mantissa. This version adds the two methods getCurrentStepStart and getCurrentStepsize to interface FirstOrderIntegrator allowing ODE problems to retrieve the current step start and size during integration for each step trial (i.e. even before the step is accepted), the need for this arose for stochastic fluctuations models in biology. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 7.0 of Mantissa. This is a major release unfortunately introducing incompatibilities with previous versions. For many basic objects provided by Mantissa like Vector3D, Rotation and the various Polynomial classes, instances were mutable up to version 6.4. This creates various issues when sharing instances and all the burden was to be handled by the users. This has induced difficult bugs in client applications. It was decided to use immutable instances for these classes, hence greatly simplifying safe sharing of instances without forcing users to either put severe restrictions on their use of Mantissa classes or making numerous copies, just in case. As a consequence, all the set, reset and xxxToSelf-like methods have been removed, the classes do not implement the ArraySliceMappable interface anymore, and the now unneeded copy constructors and Cloneable interface implementations have also been removed. Since the change is a semantic change on the contract of the classes, it was not possible to use the deprecation feature provided by the Java language to allow a gentle upgrade. Upgrade to version 7.0 is not difficult, though. All cloning and copy-constructions should simply be replaced by simple instances sharing (a2 = (A) a1.clone() or a2 = new A(a1) being replaced by a2 = a1). All instances modifications should be replaced by reaffectations (a2.addToSelf(a1) being replaced by a2 = a2.add(a1)). This change was a tough decision and I am aware upgrading can be difficult for some users. There is no bug fix in this version, so it is safe to still use version 6.4 if upgrading is too difficult for you. On the long term however, version 7.x should be much simpler to use and less error-prone than the previous versions that used mutable instances. Do not hesitate to send me a mail if you need some help for upgrading (luc(at)spaceroots(dot)org). Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 6.4 of Mantissa fixing an issue with switching functions triggering derivatives discontinuities. The integrator was not aware of the change and may reuse derivatives computed before the switch, leading to stability problems (thanks to Fabien Maussion for reporting the issue) Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 6.3 of Mantissa fixing an issue with Rotation constructor not handling non-normalized quaternions coordinates (thanks to Guylaine Prat for reporting the issue) and fixing a missing copyright in the Gragg-Bulirsch-Stoer integrator. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 6.2 of Mantissa fixing a bug in the insertion of intervals in the middle of an IntervalsList instance (thanks to Peter Sýkora for reporting the issue and providing a patch), adding the getAlpha, getDelta methods and a new linear constructor from 3 vectors to Vector3D (thanks to Guylaine Prat for reporting the issue), and adding a way to embed ones own exceptions into a DerivativeException instance to allow the ODE integrators to handle gracefully model-specific errors. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Jarmor

• Released version 1.0 of the ASCII armors library Jarmor. This version fixes an error in ASCII85Decoder while dealing with some special configurations of bytes in incomplete last chunks. Thanks to Dan Julson for reporting the bug. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Quick computation of the distance between a point and an ellipse

• Added a paper Quick computation of the distance between a point and an ellipse Committed by LM.
• Published a new edition of the Quick computation of the distance between a point and an ellipse paper fixing numerous english errors (no change in the algorithm). Committed by LM.
• Improved the robustness of the algorithm in the paper Quick computation of the distance between a point and an ellipse Committed by LM.
• implemented the algorithm improvements in the Ellipsoid class. Committed by LM.
• Minor corrections in the paper Quick computation of the distance between a point and an ellipse Committed by LM.
• added the Ellipsoid class implementing the algorithms described in the paper Quick computation of the distance between a point and an ellipse. Committed by LM.
• Minor corrections in the paper Quick computation of the distance between a point and an ellipse Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

• Spaceroots site creation Committed by LM.
• Added a synthesis of the SpaceRoots project status four years after it has been started Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

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Mantissa

• Released version 6.1 of Mantissa fixing some bugs in the handling of over-determined systems (more variables than equations) in the Levenberg-Marquardt estimator Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 6.0 of Mantissa introducing a Levenberg-Marquardt based on the MINPACK lmder function with some small changes. It should even work for over-determined systems, though this change is still considered experimental. Version 6.0 also introduces error messages internationalization, with support for english and french for now (any contributions welcome) Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Finding the circle that best fits a set of points

• Added a paper Finding the circle that best fits a set of points and a stand-alone CircleFitter java class implementing the algorithm presented in the paper. Committed by LM.
• Fixed typos in the comments of the CircleFitter java class Committed by LM.
• Improved the paper Finding the circle that best fits a set of points to discuss a far better solver and to fix a missing factor in an equation (thanks to Jonathan Chittenden for finding the error) Committed by LM.
• Fixed a few typos in the paper Finding the circle that best fits a set of points Committed by LM.
• Fixed a javadoc comment in the CircleFitter java class that was in french Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Finding the circle that best fits a set of points

• Added a paper Finding the circle that best fits a set of points and a stand-alone CircleFitter java class implementing the algorithm presented in the paper. Committed by LM.
• Fixed typos in the comments of the CircleFitter java class Committed by LM.
• Improved the paper Finding the circle that best fits a set of points to discuss a far better solver and to fix a missing factor in an equation (thanks to Jonathan Chittenden for finding the error) Committed by LM.
• Fixed a few typos in the paper Finding the circle that best fits a set of points Committed by LM.
• Fixed a javadoc comment in the CircleFitter java class that was in french Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Quick computation of the distance between a point and an ellipse

• Added a paragraph about the Quick computation of the distance between a point and an ellipse paper in the documents page. Committed by LM.

Mantissa

• Released version 5.10 of Mantissa relaxing the specs of ContinuousOutputModel to allow extrapolating outside of the integration interval. This should be used with care as extrapolation accuracy will be degraded far from the integration interval (thanks again to Ingo Struck for identifying the issue). Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 5.9 of Mantissa fixing an error in the Gragg-Bulirsch-Stoer integrator: the setStabilityCheck method did not work, the integrator never really performed stability checks. Thanks to Ingo Struck for finding (and solving) the issue. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Jarmor

• Released version 0.7 of Jarmor (first public version). Jarmor is a tiny collection of streams filters implementing ASCII armors. The supported encodings are Base64, Base32, Base16, UUCP and ASCII85. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Drawing an elliptical arc using polylines, quadratic or cubic Bézier curves

• added a Java implementation of the algorithms Committed by LM.
• Added a technical note on the approximation of general elliptical arcs using Bézier curves Committed by LM.
• fixed the URL of the example implementation in the paper Ellipses approximation using Bézier curves Committed by LM.
• Minor correction of the technical note on ellipses approximation using Bézier curves Committed by LM.
• Corrected an error in focii placement in the EllipticalArc class implementing the approximations described in the technical note ellipses approximation using Bézier curves. Committed by LM.
• Minor addition in the technical note on ellipses approximation using Bézier curves Committed by LM.
• Major update of the technical note on ellipses approximation using Bézier curves, with a new error estimation method Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Quick computation of the distance between a point and an ellipse

• Added a paper Quick computation of the distance between a point and an ellipse Committed by LM.
• Published a new edition of the Quick computation of the distance between a point and an ellipse paper fixing numerous english errors (no change in the algorithm). Committed by LM.
• Improved the robustness of the algorithm in the paper Quick computation of the distance between a point and an ellipse Committed by LM.
• implemented the algorithm improvements in the Ellipsoid class. Committed by LM.
• Minor corrections in the paper Quick computation of the distance between a point and an ellipse Committed by LM.
• added the Ellipsoid class implementing the algorithms described in the paper Quick computation of the distance between a point and an ellipse. Committed by LM.
• Minor corrections in the paper Quick computation of the distance between a point and an ellipse Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Mantissa

• Released version 5.8 of Mantissa with an added protection in the ODE package against integration over a null-length interval. Thanks to Guylaine Prat for finding the issue. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 5.7 of Mantissa with a correction of another sign problem with fixed step Runge-Kutta integrators for backward integration. Thanks once again to Bruno Revelin for finding the bug. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 5.6 of Mantissa with a correction of a sign problem with the convergence threshold in switching functions for backward integration. Thanks to Bruno Revelin for finding the bug. Committed by LM.

stand-alone java classes

• Corrected an error in the StyledDocumentPrinter class, the output could not be printed by some versions of GhostScript and by some printers. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

stand-alone java classes

• Added a new stand-alone StyledDocumentPrinter class to print classes implementing the javax.swing.text.StyledDocumentinterface through the Java Print Services API Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Mantissa

• Released version 5.5 of Mantissa with two new order 4 fixed step integrators: Gill and 3/8, several switching functions improvements (events location and some protections against multiple triggering of the same event), allowance of interpolation outside of last computed step and cleaned up fixed-step integrators. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 5.4 of Mantissa with a correction allowing the final integration step to be smaller than the specified minimal step value, in order to end integration properly (previously, such small last steps were also accepted, but only if the step control produced a sufficiently large step that was later truncated to fit integration range, now they are also accepted at step control level) Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 5.3 of Mantissa with a new feature allowing to specify the initial stepsize for adaptive stepsize integrators and a correction of a step initialization error preventing the use of ContinuousOutputModel Committed by LM.

SpaceRoots site

• added a section on the ODE package in the short Mantissa presentation Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 5.2 of Mantissa with a correction of an interpolator update error in the Gragg-Bulirsch-Stoer integrator. Wrong intervals were provided to the step handler when a step was truncated by a switching function trigger. Committed by LM.

SpaceRoots site

• Added some questions in the FAQ Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 5.1 of Mantissa with a new optimization package featuring two direct search methods: the Nelder-Mead simplex method and Virginia Torczon's multi-directional method. Some other minor improvements have also been introduced in the random package. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Rkcheck

• Added javadoc documentation for rkcheck. Committed by LM.
• Added version 1.0 of an application to check the order of explicit Runge-Kutta methods Committed by LM.
• Added several Runge-Kutta methods description files in the downloads page. Committed by LM.
• Released version 3.1 of RKcheck using a new implementation of the XML parsing (better error handling, support for file writing -- unused for now), and support for translated error messages (english and french are provided). Committed by LM.
• Replaced the approximated float values for the Dormand-Prince 8(7) method used in RKsuite by exact rational numbers recomputed by solving the equations of conditions. Committed by LM.
• Released a version 3.0 of RKcheck that can produce the equations of condition in Maxima syntax. Committed by LM.
• Released a version 2.1 of RKcheck (minor javadoc improvements and a new example file). Committed by LM.
• Released version 2.0 of RKcheck with support for real numbers with arbitrary precision in the order checker for explicit Runge-Kutta methods. Committed by LM.
• Embedded the Runge-Kutta DTD and a catalog in the jar file to avoid unnecessary network connections while checking Runge-Kutta methods. Committed by LM.
• Released version 1.1 of RKcheck Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

SpaceRoots site

• Added a DTD for explicit Runge-Kutta methods description Committed by LM.
• Spaceroots site gets colors Committed by CB.
• Major site update, using forrest Committed by LM.
• Added a link to a project using Mantissa Committed by LM.
• Minor improvements of the main page Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Drawing an elliptical arc using polylines, quadratic or cubic Bézier curves

• corrected missing navigation images in the technical note on ellipses approximation using Bézier curves Committed by LM.

Mantissa

• Changed the method name getCorrelationMatrix into getCovarianceMatrix in the VectorialSampleStatistics class (the old method name is still available but is deprecated and will be withdrawn in the future) to reflect the fact the returned matrix has always been a covariance matrix, not a correlation matrix Committed by LM.
• Released version 5.0 of Mantissa with some minor improvements in the statistical classes (new methods getMinIndices and getMaxIndices) Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Corrected some margins in a unit test Committed by LM.
• Released version 4.7 of Mantissa with new constructors in GaussianRandomGenerator and UniformRandomGenerator generators, allowing seed to be specified as an integer or as an integer array Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 4.6 of Mantissa with updated copyright year and a couple more tests Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Corrected an important error in the FourTapRandom generator (the error was in my own adaptation, not in Bill Maier's code) Committed by LM.
• Released version 4.5 of Mantissa with a new random number generator (MersenneTwister). Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 4.4 of Mantissa with a new random number generator (FourTapRandom) contributed by Bill Maier and two new classes (Interval and IntervalsList) to support operations on intervals in the real line. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Mantissa

• Released version 4.3 of Mantissa with a Rotation.applyInverseTo(Rotation)method Committed by LM.
• vastly improved documentation of the Rotation class Committed by LM.
• removed remaining uses of the deprecated i, j and k Vector3D fields Committed by LM.
• corrected some javadoc tags Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Released version 4.2 of Mantissa with an ImmutableVector3D class Committed by LM.

SpaceRoots site

• Added a links page to the site Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Drawing an elliptical arc using polylines, quadratic or cubic Bézier curves

• added a Java implementation of the algorithms Committed by LM.
• Added a technical note on the approximation of general elliptical arcs using Bézier curves Committed by LM.
• fixed the URL of the example implementation in the paper Ellipses approximation using Bézier curves Committed by LM.
• Minor correction of the technical note on ellipses approximation using Bézier curves Committed by LM.
• Corrected an error in focii placement in the EllipticalArc class implementing the approximations described in the technical note ellipses approximation using Bézier curves. Committed by LM.
• Minor addition in the technical note on ellipses approximation using Bézier curves Committed by LM.
• Major update of the technical note on ellipses approximation using Bézier curves, with a new error estimation method Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Mantissa

• Version 4.1 of Mantissa, now a maximal checking time interval is associated with each switching function to prevent missing some sign changes when the integration step becomes too large. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 4.0 of Mantissa with a simple Brent solver and support for multiple switching functions in all integrators. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 3.3 of Mantissa with improved polynomials with rational coefficients. They can now have arbitrary large numerators and denominators and hence very high degrees polynomials can be used. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 3.2 of Mantissa with a new package for random numbers and vectors generation (with given mean, standard deviation and correlation coefficients) and statistical analysis Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 3.1 of Mantissa with a new orthogonal Polynomials family (Laguerre Polynomials) and a correction in the OrthogonalPolynomial class. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 3.0 of Mantissa with rational numbers, rational and double polynomials and some orthogonal polynomials (Chebyshev, Legendre and Hermite). Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 2.2 of Mantissa with improvements in the Vector3D class and in all ODE integrators. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 2.1 of Mantissa with a minor improvement in the ArrayMapper class. Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 2.0 of Mantissa with a completely reimplemented Gragg-Bulirsch-Stoer integrator Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Mantissa

• Version 1.7 of Mantissa with a finalized version of a Bulirsch-Stoer integrator Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 1.6 of Mantissa with a preliminary version of a Bulirsch-Stoer integrator Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 1.5 of Mantissa Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 1.4 of Mantissa Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 1.3 of Mantissa with vectors and rotation in a three dimensional space Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Luc Maisonobe (LM).

Mantissa

• Version 1.0 of Mantissa released Committed by LM.
• Released version 1.2 of Mantissa (renamed two low order ODE integrators) Committed by LM.
• Version 1.1 of Mantissa released Committed by LM.

Rkcheck

• Added javadoc documentation for rkcheck. Committed by LM.
• Added version 1.0 of an application to check the order of explicit Runge-Kutta methods Committed by LM.
• Added several Runge-Kutta methods description files in the downloads page. Committed by LM.
• Released version 3.1 of RKcheck using a new implementation of the XML parsing (better error handling, support for file writing -- unused for now), and support for translated error messages (english and french are provided). Committed by LM.
• Replaced the approximated float values for the Dormand-Prince 8(7) method used in RKsuite by exact rational numbers recomputed by solving the equations of conditions. Committed by LM.
• Released a version 3.0 of RKcheck that can produce the equations of condition in Maxima syntax. Committed by LM.
• Released a version 2.1 of RKcheck (minor javadoc improvements and a new example file). Committed by LM.
• Released version 2.0 of RKcheck with support for real numbers with arbitrary precision in the order checker for explicit Runge-Kutta methods. Committed by LM.
• Embedded the Runge-Kutta DTD and a catalog in the jar file to avoid unnecessary network connections while checking Runge-Kutta methods. Committed by LM.
• Released version 1.1 of RKcheck Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

SpaceRoots site

• Added a DTD for explicit Runge-Kutta methods description Committed by LM.
• Spaceroots site gets colors Committed by CB.
• Major site update, using forrest Committed by LM.
• Added a link to a project using Mantissa Committed by LM.
• Minor improvements of the main page Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Mantissa

• Version 1.0 of Mantissa released Committed by LM.
• Released version 1.2 of Mantissa (renamed two low order ODE integrators) Committed by LM.
• Version 1.1 of Mantissa released Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:
Captain Bird (CB).

• Spaceroots site creation Committed by LM.
• Added a synthesis of the SpaceRoots project status four years after it has been started Committed by LM.

Contributors to this release

We thank the following people for their contributions to this release.

This is a list of all people who participated as committers:

This is a list of all people who have ever participated as committers on this project.

• Luc Maisonobe (LM)
• Captain Bird (CB)