Re: [OctDev] Proposed changes to cell2mat and inclusion in Octave

[Etienne G. <et...@cs...>]

  Hello,

both cell2mat({1, 2, 3}) and cell2mat({1; 2; 3}) fail w/ 2.9.3.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
octave:12> cell2mat({1; 2; 3})

*** cat:

 -- Built-in Function:  cat (DIM, ARRAY1, ARRAY2, ..., ARRAYN)
     Return the concatenation of N-d array objects, ARRAY1, ARRAY2,
     ..., ARRAYN along dimension DIM.

[snip]

   See also: horzcat and vertcat.

error: evaluating assignment expression near line 65, column 14
error: evaluating for command near line 64, column 5
error: evaluating for command near line 60, column 3
error: called from `cell2mat'in file
`/home/etienne/prog/octave/octave-forge/octave-forge/main/cell/cell2mat.m=
'

octave:12> cell2mat({1, 2, 3})

*** cat:

 -- Built-in Function:  cat (DIM, ARRAY1, ARRAY2, ..., ARRAYN)
     Return the concatenation of N-d array objects, ARRAY1, ARRAY2,
     ..., ARRAYN along dimension DIM.

[snip]

error: evaluating assignment expression near line 69, column 5
error: called from `cell2mat'in file
`/home/etienne/prog/octave=F8ctave-forge/octave-forge/main/cell/cell2mat.=
m'
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

  version is 2.9.3, home-compiled. More info needed?

  Hth,

  Etienne


On Sat, Jan 14, 2006 at 12:57:57AM -0500, Paul Kienzle wrote:
# Laurent,
#=20
# I applied your fix to octave-forge.
#=20
# Someone with a working 2.9.x will have to check if the fix is needed
# there as well.  Here's the test:
#=20
#   assert (cell2mat({1, 2, 3}), [1, 2, 3]);
#   assert (cell2mat({1; 2; 3}), [1; 2; 3]);
#=20
# See attached for Laurent's fix as a patch to the current octave CVS.
#=20
# 	* general/cell2mat.m: support 1D cell argument.
#=20
# - Paul
#=20
# On Jan 13, 2006, at 12:16 PM, Laurent Mazet wrote:
#=20
# >On Thu, 8 Dec 2005 21:31:56 +0800
# >William Poetra Yoga Hadisoeseno <wil...@gm...> wrote:
# >...
# >
# >Hi,
# >
# >Sorry I'm late to comment the post.
# >
# >First, I found a bug on 1D cell argument (file attached). I will=20
# >update the
# >octave-forge version as soon I managed to boot again my own coputer (H=
D
# >controler broken :-( )
# >
# >Seconldy, I read the code you added for dimension and type checking=20
# >but I don't
# >think it's efficient for a such function. This type of function has to=
=20
# >been run
# >as fast as possible and usualy no-ones care of the error message=20
# >(except
# >during the debugging process). From my point of view, cell2mat don't=20
# >have to
# >waste time on input checking.
# >
# >       Laurent
# >--=20
# >Dr. Laurent Mazet: Research Engineer /V\ Centre de Recherche de=20
# >MOTOROLA
# >Tel: +33 1 69 35 48 30 =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D Email:=20
# >lau...@mo...
# ><cell2mat.m>
#=20
#=20



--=20
Etienne Grossmann ------ http://www.cs.uky.edu/~etienne