FriCAS Computer Algebra System
Version: FriCAS 1.3.2
Timestamp: Tue Apr 25 16:33:05 EDT 2017
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...clip...
(1) ->
integrand:=1/2*2^(1/2)*1/(1+x)^2/(-%i+x^2)^(1/2)+1/2/(1+x)^2*2^(1/2)/(%i
integrand:=1/2*2^(1/2)*1/(1+x)^2/(-%i+x^2)^(1/2)+1/2/(1+x)^2*2^(1/2)/(%i+x^2)^(1/2)
INFO: Control stack guard page unprotected
Control stack guard page temporarily disabled: proceed with caution
>> System error:
Control stack exhausted (no more space for function call frames).
This is probably due to heavily nested or infinitely recursive function
calls, or a tail call that SBCL cannot or has not optimized away.
RayR
On 01/28/2018 03:25 PM, 'Nasser M. Abbasi' via FriCAS - computer algebra
system wrote:
Any idea what causes this crash?
>fricas
viewman not present, disabling graphics
/bin/sh: 1: exec:
/home/me/data/fricas/fricas-1.3.2/target/x86_64-linux-gnu/bin/hypertex:
not found
Checking for foreign routines
AXIOM="/home/me/data/fricas/fricas-1.3.2/target/x86_64-linux-gnu"
spad-lib="/home/me/data/fricas/fricas-1.3.2/target/x86_64-linux-gnu/lib/libspad.so"
foreign routines found
openServer result 0
FriCAS Computer Algebra System
Version: FriCAS 1.3.2
Timestamp: Sat Jan 27 17:15:20 CST 2018
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Issue )copyright to view copyright notices.
Issue )summary for a summary of useful system commands.
Issue )quit to leave FriCAS and return to shell.
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Using local database
/home/me/data/fricas/fricas-1.3.2/target/x86_64-linux-gnu/algebra/compress.daase..
Using local database
/home/me/data/fricas/fricas-1.3.2/target/x86_64-linux-gnu/algebra/interp.daase..
Using local database
/home/me/data/fricas/fricas-1.3.2/target/x86_64-linux-gnu/algebra/operation.daase..
Using local database
/home/me/data/fricas/fricas-1.3.2/target/x86_64-linux-gnu/algebra/category.daase..
Using local database
/home/me/data/fricas/fricas-1.3.2/target/x86_64-linux-gnu/algebra/browse.daase..
(1) ->
integrand:=1/2*2^(1/2)*1/(1+x)^2/(-%i+x^2)^(1/2)+1/2/(1+x)^2*2^(1/2)/(%i+x^2)^(1/2)
*** - Program stack overflow. RESET
[/build/buildd/clisp-2.49/src/eval.d:573] reset() found no driver
frame (sp=0x7fff69c09460-0x7fff69c03400)
Exiting on signal 6
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