asin and acos wrong



On Thursday 02 October 2003 06:27, James Amundson wrote:
>On Wed, 2003-10-01 at 15:37, Camm Maguire wrote:
>> Greetings!  This is all very odd, as in my gcl-2.6.1:
>>
>> (asin 0.5)
>>
>> 0.52359877559829893
>
On altlinux I have
with maxima 
Use (help) to get some basic information on how to use GCL.
Maxima 5.9.0.1cvs http://maxima.sourceforge.net
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
This is a development version of Maxima. The function bug_report()
provides bug reporting information.
(C1) asin(0.5);

(D1)                                  0.5
(C2) quit();

and with gcl
[vpip@225_3 binary-gcl]$ gcl
GCL (GNU Common Lisp)  (2.6.1) Tue Sep 16 12:46:55 MSD 2003
Licensed under GNU Library General Public License
Dedicated to the memory of W. Schelter

Use (help) to get some basic information on how to use GCL.

>(asin 0.5)

0.52359877559829893

best regards,
V