On 7/4/24 06:41, Waldek Hebisch wrote:
On Wed, Jul 03, 2024 at 11:18:05PM +0200, Ralf Hemmecke wrote:
On 7/3/24 12:19, Qian Yun wrote:
Well, generally this feels a bit strange on multiple levels:
1. they use such an old version
2. they don't send bugs or upstream fixes to us
Citing item 2 of our Licence.txt
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
Honestly, just looking at their website, I do not even see FriCAS mentioned
at all in an easily accessible form. I find this inaccaptable.
I do not have "the distribution", but if it comes without explicitly
reproducing our Licence conditions, then we should certainly react.
Assuming that ')copyright' works in their copy of FriCAS I think that
they are covered from legal side (IANAL). And assuming that they keep
normal FriCAS banner (identifying binary as FriCAS and giving info about
')copyright') that looks more or less OK.
There were bugs with ')copyright' on windows in older releases.
But their release only includes "algebra/" and "AXIOMSys.exe",
no "etc/" or "share/", so may not include our copy of license.
Or they could hide it in their lengthy EULA, or maybe not.
The banner is fully shown, unmodified.
Concerning bug fixes and patches, in relative terms we got infintely
more from Sage folks, but contribution from Sage folks is rather
small part of overall contributions to FriCAS. So I am not
surprised that there are no visible conftibution from Mathcad.
Sage doesn't develop new domains, MathCAD does. So they are more likely
to hit by bugs.
But as for the "82 new domains" I mentioned above, there is
"EXPR.NRLIB", looks like it is modified for MathcadDisplayCategory.
Other than that, all new domains, which means they really do not
have an internal bug fix tree.
- Qian
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