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working (log x) function in scsh/scheme48?

To: scsh@martigny.ai.mit.edu
Subject: working (log x) function in scsh/scheme48?
From: Sean Doran <smd@chops.icp.net>
Date: 04 Aug 1996 19:38:18 -0400
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I gather from the TODO-s48-0.36/NEWS-s48-0.36 files that this:

(log <any number>) -> Error: exception

is to be expected, due to a limitation in the VM that
makes it unable to deal with the stuff in extension.c.

I'd love to know that I'm wrong here. :)

However, if not, if anyone could supply reasonably fast,
working scsh/scheme48 functions that perform the math
stuff in extension.c, viz.

 exp log sin cos tan asin acos atan sqrt

(some of which are easy, admittedly), I'd be very
grateful.

        Sean.

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