3.0.4 call for patches

[Ben Abbott]

On Friday, December 12, 2008, at 04:20PM, "Thomas Weber" <thomas.weber.mail at gmail.com> wrote:
>On Fri, Dec 12, 2008 at 02:31:29PM +0100, Jaroslav Hajek wrote:
>> On Thu, Dec 11, 2008 at 11:41 PM, Thomas Weber
>> <thomas.weber.mail at gmail.com> wrote:
>> > On Mon, Dec 08, 2008 at 07:49:34AM +0100, Jaroslav Hajek wrote:
>> >> hello,
>> >>
>> >> I think time has come to get 3.0.4 out. We have >30 patches since
>> >> 3.0.3 and maybe more omitted. Anyone cares of a particular fix to be
>> >> applied to 3.0.4? Please point me to it.
>> >
>> > Okay, here's one (octgpr's demos fail, so you might be interested :) )
>> > 0a48abc35932
>> >
>> > Test case is contourf's documentation:
>> >        [x, y, z] = peaks (50);
>> >        contourf (x, y, z, -7:9)
>> > fails in 3.0.3 for me.
>> >
>> >        Thomas
>> >
>> 
>> I don't have a clue what is causing this error. Does someone else?
>> Even the current development tip seems to be affected.
>
>Uh, you guys have lost me completely. The error message I was talking
>about has nothing to do with gnuplot, but is pure Octave:
>
>=====================================================================
>octave:2>  contourf (x, y, z, -7:9)
>warning: meaning may have changed due to change in precedence for && and || operators
>error: patch: X and Y must be of same size
>error: evaluating if command near line 230, column 3
>error: called from `contourf:parse_args' in file `/usr/share/octave/3.0.3/m/plot/contourf.m'
>error: called from `contourf' in file `/usr/share/octave/3.0.3/m/plot/contourf.m'
>=====================================================================
>
>Sorry for being unclear in the first place.
>
>	Thomas

Line 230 of contourf is

if (isvector (X) || isvector (Y) && any (size (X) != size(Y)))

Replace that with

if ((isvector (X) || isvector (Y)) && any (size (X) != size(Y)))

and the problem should be fixed (provided I understand the intended logic).

Ben