[gforth] Gforth's fsl-util.*

[David Kuehling]

Hi,

I've recently come to using the FSL (Forth scientific library)
matrix/array support that ships with Gforth as fsl-util.4th.

A few comments/questions about that:

 * Gforth CVS contains two files, fsl-util.4th and fsl-util.fs where
   fsl-util.fs seems to be the more recent version, however only only
   fs-util.4th is installed.  Is that by mistake?

 * Both files suffer from printing out text to stdout during loading,
   even with WARNINGS OFF, which makes them somewhat unusable from
   scripts that need well-defined (machine-readable) output.  (Though
   there's a workaround [1])

 * The Vector/Matrix indexing operators '}' and '}}' have quite some
   overhead when implemented in Forth.  What about adding them as
   primitives?  (I volunteer for the job unless there're objections).

cheers,

David

[1] https://sourceforge.net/p/fkt/code/41/tree/trunk/fsl-util.fs
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