A number of people have contributed to this document, either with helpful general remarks or corrections or amplifications on points of detail. Where their contribution was precisely localisable — in particular where I have merely sub-edited their comments into place — they are also acknowledged at the appropriate specific points in the text.
Sergio.Gelato@Durham.ac.uk) added remarks about optimizing C, and
compiler switches.
csj@star.arm.ac.uk) added pointers to model atmosphere codes.
jjl@astro.soton.ac.uk)
aesansom@uclan.ac.uk).
bs@astro.keele.ac.uk). Pointers to model atmospheres.
mbt@ast.cam.ac.uk) made a number of points about my coverage of Fortran,
and several insightful remarks about numerical programming.
Robin.Williams@astro.cf.ac.uk) general comments, and information
about Alpha switches.