Re: [eigen] operator== (and probably others) for 0-sized Eigen-types

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+1 for this identity-based behavior.

It's the only way to make them consistent under

- Bob

On 11/11/13, 6:08 PM, Gael Guennebaud wrote:

On Mon, Nov 11, 2013 at 11:59 PM, Gael Guennebaud <gael.guennebaud@xxxxxxxxx <mailto:gael.guennebaud@xxxxxxxxx>> wrote:

    One option could be to make .all() and .any() returns the identity element of the operators && and || respectively,
    i.e., true and false.

this is what octave/matlab do:

octave:6> A = []
A = [](0x0)
octave:7> any(A)
ans = 0
octave:8> all(A)
ans =  1


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