I am happy that we have no more serious problems with the functions.
On my todo list I have:
- more tests on the numerically accurarcy
- fully support of the exponential integrals by specint (my starting point)
- implement more support for complex characteristics
Some more sophisticated topics I am interessed in are:
- Integration with the exponential integrals
- Differential equations with the exponential integrals
- Representations through the hypergeometric functions
Dieter Kaiser
-----Urspr?ngliche Nachricht-----
Von: raymond.toy at ericsson.com [mailto:raymond.toy at ericsson.com]
Gesendet: Mittwoch, 29. Oktober 2008 14:18
An: Dieter Kaiser
Cc: maxima at math.utexas.edu
Betreff: Re: [Maxima] Test suite failures with cvs version?
Raymond Toy wrote:
> Yay! Now there are a couple more issues with cmucl and rtest_gamma,
> where tests 264, 311, 313, and 319 fail. Looks like the accuracy is a
> bit off. Since all other Lisps (clisp, gcl, ecl), I will blame cmucl
> for this. I need to look into this issue a bit more to see what the
> actual problem is.
There's nothing obviously wrong. All the intermediate calculations are
appear to be quite close to each other. So I would say the required
precision is just a little too high.
I'll increase the threshold just a little.
Ray