[pomp-announce] pomp version 0.42-1 released

[Aaron A. King]

Dear pomp users,

I've just submitted pomp version X.XX-X to CRAN.  Source code and binaries 
should become available on the mirrors over the next few days.  This is a new 
feature and enhanced performance release.  Highlights include:

1. pompBuilder, which makes it easier to construct, compile, and link fast 
pomp objects using native codes.  See the demos for examples of its use.  Note 
that this feature is experimental and the interface may change in the future.  
The bare bones of an example using this facility can be found in the 'advanced 
topics' vignette.

2. It is now possible to have access to the 'userdata' slot from user-defined 
native C code.  The C functions 'get_pomp_userdata', 'get_pomp_userdata_int', 
and 'get_pomp_userdata_double' allow access to general, integer, and floating-
point elements in the 'userdata' list.

3. The data()-loadable examples have been reworked to make use of the above-
mentioned facility.  Note that these changes are not backward compatible, so 
code you have that depends on the data()-loadable examples may be broken....

4. There are now several demos provided with the package.  Some of thse 
demonstrate 'pompBuilder'.

5. I have reworked the guts of the 'trajectory' and 'skeleton' calculations so 
that these are now much faster.

As always, see the package NEWS file, ChangeLog, and source code for more 
details.

Happy pomping!

Aaron

--
Aaron A. King, Ph.D.
Ecology & Evolutionary Biology
Mathematics
Center for the Study of Complex Systems
University of Michigan
GPG Public Key: 0x15780975
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