Alain <ele### [at] netscapenet> wrote:
> In fact, you evaluate a cotangent, a functions with asymptotic lines.

No, I don't :-). Cotangent would be cos()/sin(), whereas I use 1/cos().
I agree that an infinite loop problem arises when cos() goes negative; that was
the origin of my problem. But that was due to a programming error; (it had been
a long day :-))  in my application aSlanting is limited to just a few degrees.

As for Nicolas' request to post the code, I'm afraid I inadvertently changed it,
since now it just reports an out-of-memory error. As any infinite loop would do.

Muchas gracias, et merci beaucoup, all of you
Steven

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