On Tue, 14 Mar 2017, Werner Pamler wrote:
Thanks - unfortunately I've just uploaded a patch for unit typ
implementing IsNaN and IsInfinity according to Michael's suggestion. But
I think I'll withdraw the patch and replace it with one for a cleaned up
typ unit.
How about cleaning up also spe? It contains a large number of functions
which are contained in math as well, but with a terrible name (e.g.,
"spesih(x)" instead of "sinh(x)"). In theory, of course, this will break
existing code although I am absolutely sure that nobody ever has used
these functions.
Another idea: Errors in spe (and probably everywhere else) terminate the
program with a RunError. This is not up to date any more. How about
throwing an exception? Or, maybe, I could add a procedure
"NumLibError(ErrCode: Integer)" which by default throws an exception
with a message corresponding to the ErrCode, or, if compiled with
$DEFINE RUNTIME_ERRORS, terminates the program like before with a
RunError(ErrCode).
Better make this a normal variable; not a define.
Michael.
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