Hi Arjen:
Please see the commit message for commit aab3994 for more details
concerning this new tclmatrix capability that I have implemented that
we have previously discussed off list. In particular please take a
look at the new bindings/tcl/test_tclmatrix.tcl file for extensive
examples of what is possible with this new capability, and when you
get a chance, please build the "check_libtclmatrix_capabilities"
target on Cygwin to make sure that you can use all these new
facilities on that platform.
N.B. I have not yet made any changes in the matrix initialization
code nor the matrix assignment code, but by accident I discovered
that
matrix x f 4 = {0., 1., 2., 3.}
maxtrix y f 2 = [x 0:2]
initializes y with the first two elements of x (where "0:2" is the
index slice that selects those). However, I could not get this to
work for multidimensional arrays. (In fact, I could get no
initialization of either of the two forms above to work for those
kinds of arrays.) So there is more work that I need to do in those
areas, but I believe I am fairly close now to the goal of having complete
multi-dimensional matrix resizing and reshaping capabilities under
Tcl. And once we have that capability, that should allow you to drop
all the non-redacted forms from our Tcl and Tk bindings and examples
which is a substantial Tcl/Tk improvement for PLplot that I have
been looking forward to for a long time.
Alan
__________________________
Alan W. Irwin
Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).
Programming affiliations with the FreeEOS equation-of-state
implementation for stellar interiors (freeeos.sf.net); the Time
Ephemerides project (timeephem.sf.net); PLplot scientific plotting
software package (plplot.sf.net); the libLASi project
(unifont.org/lasi); the Loads of Linux Links project (loll.sf.net);
and the Linux Brochure Project (lbproject.sf.net).
__________________________
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