Dumping intermediate results can fill up the
session, eventually causing J's session manager
to fail.
This can be simulated with a single run of a
modified version of cnv1. With max line length
set at 256000, and max lines before and after
set to 50:
cnv1=: 3 : 0
f=. 2^ m=. i.<.@(2&^.)&.<:y
C=. _1 ,~ (1+m) f} y{._1 1
v=. i=. I. (0=}:C)*.2|i.y
k=. 1
smoutput (;:'fm kC vi'),.(f,:m);(k,C);(v,:i)
while. #i do.
j=. collatzv v
b=. 0<(j<.y){C
p=. , f */ b#i
q=. , m +/ k+(b#j){C
i=. (-.b)#i
v=. (-.b)#j
d=. y>p
C=. (d#q) (d#p)}C
k=. >:k
smoutput (;:'jb pqd iv kC'),.(j,:b);(p,q,:d);(i,:v);k,C
end.
}:C
)
cnv1 1000
When this finishes, I try clearing the session
(ctrl-a delete, or some analogous sequence). I get:
|domain error: wd
| wdq=: wd'q'
from select-all, and this loses control of the session
manager.
FYI,
--
Raul
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