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[Octave-bug-tracker] [bug #46841] Symbolic package subs fails for long e


From: Jari-Pekka Ikonen
Subject: [Octave-bug-tracker] [bug #46841] Symbolic package subs fails for long expressions
Date: Fri, 08 Jan 2016 12:59:47 +0000
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.73 Safari/537.36 OPR/34.0.2036.25

Follow-up Comment #2, bug #46841 (project octave):

Following test result:

/
>> pkg load symbolic

>> sympref display flat

>> sympref IPC default
Resetting the octsympy communication mechanism
Choosing the default [autodetect] octsympy communication mechanism
>> syms x y

OctSymPy v2.2.4: this is free software without warranty, see source.
Initializing communication with SymPy using a popen2() pipe.
Detected Windows: using "winwrapy.bat" to workaround Octave bug #43036
Some output from the Python subprocess (pid 6276) might appear next.
Waiting......................warning: readblock: timeout of 30 exceeded,
breaking out
warning: called from
    readblock at line 83 column 7
    python_ipc_popen2 at line 77 column 14
    python_ipc_driver at line 30 column 13
    python_cmd at line 138 column 9
    sym at line 361 column 5
    syms at line 158 column 9
no output so far

error: ipc_popen2: something wrong? timed out starting python
error: called from
    python_ipc_popen2 at line 79 column 7
    python_ipc_driver at line 30 column 13
    python_cmd at line 138 column 9
    sym at line 361 column 5
    syms at line 158 column 9
error: evaluating argument list element number 3
error: called from
    syms at line 158 column 9
>>
/

There is something wrong since I can no longed define symbols.

Things seem to be normal when I don't use 

>>sympref IPC default

but instead

>>sympref IPC system

but this really gives me the 'line too long' -error.


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