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libctl 2.2 (9/12/2002)
* Added simple trapezoidal-rule adaptive numeric integration routine.
* Numerical derivative routines now allow numerical differentation
of vector-valued function. Added deriv2 convenience routine.
* Added find-root-deriv functions for faster root-finding of
functions for which the derivative is also available.
* Added missing (cvector3 ...) constructor, and fixed corresponding
constructor for cvector3 object properties; thanks to Doug Allan for
the bug report.
* Added generic 'memoize' function.
* libctl programs now print out command-line parameters when they run.
* Fixed incomplete support for generic SCM type.
* Fixed to work with Guile 1.5+ (thanks to Mike Watts for the bug report).
libctl 2.1 (3/21/2002)
* Bug fix: complex-number input variables were read as garbage
if they had imaginary parts; does not affect complex-number outputs.
* Added generic SCM type for i/o variables and parameters, as a
catch-all for other Scheme objects.
* main.c now has ctl_export_hook (enabled by defining
CTL_HAVE_EXPORT_HOOK) with which to define additional Guile symbols.
* gen-ctl-io: converts "!" in symbols to "B" in C identifiers.
libctl 2.0 (3/10/2002)
* New set-param! function, analogous to define-param, that allows
you to change the value of a parameter in a way that can still be
overridden from the command line.
* In libgeom, allow user to specify the resolution instead of the
grid-size. New no-size support in lattice class to reduce
dimensionality, and new (get-grid-size) function.
* Support for Scheme complex numbers, along with a few new associated
functions: conj, vector3-cdot, matrix3x3-adjoint.
* New functions to compute numerical derivatives using Ridder's
method of polynomial extrapolation.
* Documented object-property-value; thanks to Theis Peter Hansen for
the suggestion.
* Get rid of unneeded make-default, and use consistent syntax for
define-property and define-post-processed-property, compared to
define-input-var. NOT BACKWARD COMPATIBLE (for developers; users
are not affected). Thanks to Theis Peter Hansen for the suggestion.
* Call ctl_stop_hook even with --help, --version, etcetera; this
makes the behavior nicer e.g. with MPI.
libctl 1.5 (11/15/2001)
* geometry-lattice now has a separate basis-size property, so that you
can specify the basis vectors as being something other than unit vectors.
* More functions are tail-recursive, helping to prevent stack overflows;
thanks to Robert Sheldon for the bug report.
* New fold-left and fold-right functions, documented in the manual.
* The configure script now checks that guile is in the $PATH. Thanks to
Bing Li and Giridhar Malalahalli for their bug reports.
libctl 1.4.1 (7/4/2001)
* Support function lists.
libctl 1.4 (2/23/2001)
* Renamed "display-many" function to more felicitous "print"
and added "print-ok?" global variable that allows you
to disable program output.
* Added support for passing 'function types back and forth
(just a SCM object pointing to a Scheme function).
* Cosmetic fixes to yes/no? and menu-choice interaction functions.
* Support start/exit hooks for use e.g. with MPI.
libctl 1.3 (1/7/2001)
* Added improved "subplex" multidimensional optimization algorithm
(for maximize-multiple and minimize-multiple).
* Documented vector3-x, vector3-y, vector3-z functions for extracting
vector3 components.
libctl 1.2 (7/9/2000)
* Added new "cone" geometric object type.
* Added reciprocal->cartesian, cartesian->lattice, lattice->reciprocal,
etcetera functions to libgeom for converting vectors between bases.
* Added routines rotate-vector3 and rotation-matrix3x3 for rotating vectors.
* Added support for returning lists from external functions.
* Fixed bug in matrix3x3-inverse function.
* Fixed bug in find-root for converging to negative roots.
* Use Nelder-Mead simplex algorithm for multi-dimensional minimization
(it seems to be more robust than the old routine).
libctl 1.1.1 (1/28/2000)
* Use CPPFLAGS environment variable instead of the less-standard
INCLUDES to pass -I flags to the configure script (for header files
in non-standard locations).
* Compilation fixes. We need to set SHELL in the Makefile for make on
some systems. Also added rule to insure ctl-io.h is created before
main.c is compiled. Thanks to Christoph Becher for the bug reports.
libctl 1.1 (1/2/2000)
* geom: radius and height of objects is now permitted to be zero.
* geom: material_of_point_* routines now report whether the point
is in any object; necessary for use with MPB 0.9.
* Added man page for gen-ctl-io, based on a contribution by
James R. Van Zandt.
libctl 1.0.1 (11/22/1999)
* geom: handle case where ensure-periodicity is false.
* geom: bug fix in geometric-objects-lattice-duplicates for
non-orthogonal lattices; thanks to Karl Koch for the bug report.
libctl 1.0 (11/19/1999)
* Initial public release.
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