On 2010-01-06 09:31+0100 Arjen Markus wrote:

> Hi David,
>
> while I suffer from the same type of dyslexia (even after all these
> years I still have trouble getting the indices right and frequently
> have to sketch what the layout of the data is and what it should be,
> using Fortran, C and a couple of other languages), I must point out
> that plsurf3d uses the _C_ ordering. You can see this for yourself
> in bindings/f(77|95)/sc3d.c which contains the Fortran-callable wrapper
> for that function. There the array z is transposed to fill the temporary
> array temp.

Arjen, from the fortran wrappers do we use the C order for all our
two-dimensional arrays or just for the plsurf3d related functions?

If we have a mixture of C and Fortran ordering for the two-dimensional
arrays in our API, we should decide which convention we should use in our
API and convert to it if/when we decide to do other major API breakage we
have been discussing.

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); PLplot scientific plotting software
package (plplot.org); 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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