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[Gcl-devel] Re: Some random thoughts on future features - PS

From: Mike Thomas
Subject: [Gcl-devel] Re: Some random thoughts on future features - PS
Date: Sat, 20 Nov 2004 09:23:35 +1000
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax)

Hi Barton,

Despite putting in a new subscription I can't send email to the Maxima List from this address. Worse, my email to James for help was rejected too!

Could you please forward that last message about using CVS GCL for Ray's CLOS proposal to the Maxima list?


Mike Thomas.

Mike Thomas wrote:

Hi Barton.

Thanks for your follow-up test with "cl::real".

Looks like GCL 2.6.5 (the stable release I tried yesterday) has problems with PCL and ANSI, as following on from your result I took CVS Maxima (using the Maxima-local batch file) built with CVS GCL and tried out Rays' original code (without the package manipulation I suggested) ie:

1. to_lisp()

2. Cut and paste Ray's original Lisp CLOS code

3. (to-maxima)

4. Cut and paste Ray's origional Maxima test code and I'm pleased to say that modulo some compiler noise, it worked as below.

I may not be subscribed to the Maxima list from this email address so it may take a while for this message to get through there.


Mike Thomas.

MAXIMA> (to-maxima)
Returning to Maxima
(%o1)                                true
(%i2) fpprec:50;

(%o2)                                 50
(%i3) jacobi_sn(x,1);

(%o3)                               tanh(x)
(%i4) tanh(0.5b0);

(%o4)       4.6211715726000975850231848364367254873028928033011b-1
(%i5) jacobi_sn(0.5b0,0.99999999999999999999999999999b0),bfloat;

Compiling ./gazonk0.lsp.
End of Pass 1.
End of Pass 2.
OPTIMIZE levels: Safety=2, Space=3, Speed=2
Finished compiling ./gazonk0.lsp.
(%o5)       4.6211715726000975850231848364384478195723189546368b-1

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