[Octave-bug-tracker] [bug #50854] zeros: like keyword

[Ceral Paquet]

Follow-up Comment #6, bug #50854 (project octave):

It looks like "like" only copies the following properties:

* data type (class)
* complexity
* sparsity


X = zeros(___,'like',p) returns an array of zeros like p; that is, of the same
data type (class), sparsity, and complexity (real or complex) as p. You can
specify typename or 'like', but not both.


Sorry I have no ability to implement this properly. It's not that it's a
must-have thing, it just not having it breaks Matlab code.  This is a horrible
hackaround.

function x = zeros(varargin)

for k = 1:nargin
    if isequal(varargin{k},'like')
        if k+1 > nargin
            error('''like'' must be followed by a variable.');
        end
        varargin{k} = class(varargin{k+1});
        varargin(k+1) = [];
        break;
    end
end

x = builtin('zeros',varargin{:});

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