conroldemo failed in 2.9.17

[Tatsuro MATSUOKA]

I have a build octave-2.9.17

Unfortunately I could not use fast inernet connection and fortunately I have
octave-2.9.16.tar.bz2 and I downdoaded only octave-2.9.16-2.9.17.patch.bz2
and used patch. 

The build seems to be successful the both the cygwin and the mingw.
However the 'controldemo's for 2.9.17 were failed for both the cygwin and the 
mingw.

I did not check all controldemo  but the below failed.
In 2.9.16, both worked well

Tatsuro

*********************************
controldemo
[ 3] Frequency response function
 [ 1] Bode analysis (bode)  
 [ 1] Continuous system bode analysis

********
octave-2.9.17 cygwin


Example #3, Consider the following state space system sys3=:

Input(s)
      1: u_1

Output(s):
     1: y_1

state-space form:

Invalid call to disp.  Correct usage is:

 -- Built-in Function:  disp (X)


Additional help for built-in functions and operators is
available in the on-line version of the manual.  Use the command
`doc <topic>' to search the manual index.

Help and information about Octave is also available on the WWW
at http://www.octave.org and via the address@hidden
mailing list.

error: evaluating if command near line 107, column 3
error: called from `sysout' in file
`/opt/octave/octave-2.9.17/share/octave/2.9.17/m/control/system/sysout.m'
error: evaluating if command near line 55, column 9
error: evaluating while command near line 45, column 7
error: evaluating if command near line 43, column 5
error: evaluating while command near line 35, column 3
error: called from `frdemo' in file
`/opt/octave/octave-2.9.17/share/octave/2.9.17/m/control/base/frdemo.m'
error: evaluating switch command near line 67, column 5
error: evaluating while command near line 49, column 3
error: called from `DEMOcontrol' in file
`/opt/octave/octave-2.9.17/share/octave/2.9.17/m/control/base/DEMOcontrol.m'
error: called from `controldemo' in file
`/opt/octave/octave-2.9.17/share/octave/2.9.17/m/control/base/controldemo.m'

****************
Octave-2.9.17 mingw
Example #3, Consider the following state space system sys3=:

Input(s)
      1: u_1

Output(s):
     1: y_1

state-space form:

Invalid call to disp.  Correct usage is:

 - Built-in Function:  disp (X)


Additional help for built-in functions and operators is
available in the on-line version of the manual.  Use the command
`doc <topic>' to search the manual index.

Help and information about Octave is also available on the WWW
at http://www.octave.org and via the address@hidden
mailing list.

error: evaluating if command near line 107, column 3
error: called from `sysout' in file
`C:\Programs\msys\1.0\local\octave-2.9.17\share\octave\2.9.17\m\control\system\sysout.m'
error: evaluating if command near line 55, column 9
error: evaluating while command near line 45, column 7
error: evaluating if command near line 43, column 5
error: evaluating while command near line 35, column 3
error: called from `frdemo' in file
`C:\Programs\msys\1.0\local\octave-2.9.17\share\octave\2.9.17\m\control\base\frdemo.m'
error: evaluating switch command near line 67, column 5
error: evaluating while command near line 49, column 3
error: called from `DEMOcontrol' in file
`C:\Programs\msys\1.0\local\octave-2.9.17\share\octave\2.9.17\m\control\base\DEMOcontrol.m'
error: called from `controldemo' in file
`C:\Programs\msys\1.0\local\octave-2.9.17\share\octave\2.9.17\m\control\base\controldemo.m'


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