These are useful lisp commands, I did not know about them. This is what I
get for my Fricas installation
FriCAS Computer Algebra System
Version: FriCAS 1.3.10 built with sbcl 2.3.11
Timestamp: Wed Jan 10 09:37:52 PM CST 2024
(1) -> )lisp (lisp-implementation-version)
Value = "2.3.11"
(1) -> )lisp (sb-ext:dynamic-space-size)
Value = 4294967296
I am also running Fricas and sagemath on VBox under windows 10. The OS is
Linux Manjaro
>fricas --version
FriCAS 1.3.10
based on sbcl 2.3.11
>sage --version
SageMath version 10.3, Release Date: 2024-03-19
>
On Thursday, April 18, 2024 at 12:01:19 PM UTC-5 axio...@yahoo.de wrote:
> Hi Waldek!
>
> Thanks for the rapid answer!
>
> I have:
> )lisp (lisp-implementation-version)
> 2.1.11.debian
> )lisp (sb-ext:dynamic-space-size)
> 1073741824
> )version
> FriCAS 2022-07-16 compiled at Fr 12 Aug 2022 15:17:27 CEST
>
> I'm currently compiling the ECL version.
>
> Unfortunately, because of the MacOS problem (
> https://github.com/sagemath/sage/pull/37041) most sage users won't use
> the newest FriCAS. So I'll first check whether that makes a difference.
>
> Martin
>
> On Thursday 18 April 2024 at 18:11:21 UTC+2 Waldek Hebisch wrote:
>
>> On Thu, Apr 18, 2024 at 08:45:53AM -0700, 'Martin R' via FriCAS -
>> computer algebra system wrote:
>> > I started to look into one of the problems
>> > (https://github.com/sagemath/sage/issues/37813):
>> >
>> > res := integrate((x^2+1)^(1/2)/(x^2+(x+(x^2+1)^(1/2))^(1/2)), x);
>> >
>> > works nicely, but converting to InputForm (which I use to do the
>> > translation to sage) fails. Is there a good reason for that - i.e., is
>> > this a bug, or just a problem with memory?
>> >
>> > Best wishes,
>> >
>> > Martin
>> >
>> > (2) -> inform := res :: INFORM
>> >
>> > Heap exhausted during garbage collection: 0 bytes available, 16
>> requested.
>> <snip>
>> > Total bytes allocated = 1072734880
>> > Dynamic-space-size bytes = 1073741824
>>
>> For me it works. The result is big for humans, but should be no
>> problem for modern computers. I am using FriCAS trunk build
>> using sbcl-1.2.4 (currently with 3Gb limit). Tried also version
>> with 2Gb limit and sbcl-2.2.9 with 1Gb limit. Note
>> I did:
>>
>> res := integrate((x^2+1)^(1/2)/(x^2+(x+(x^2+1)^(1/2))^(1/2)), x);
>> ii := res::InputForm;
>>
>> that is I am _not_ printing resulting InputForm. But I also
>> separately printed the InputForm, it works, just is slow when
>> printing to terminal and useless because the result is much
>> bigger than terminal scrollback buffer.
>>
>> --
>> Waldek Hebisch
>>
>
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