Passing diagonal matrix to an *.oct function

[José Luis García Pallero]

Hi,
I'm trying to pass a diagonal matrix to an c++ function, but I don't know
the method for conversion from the octave_value class. I've tried with
DiagMatrix a=args(0).diagmatrix_value(), .diagonal_matrix_value(),
.matrix_value(), but all fails. Wich is the correct form?
Thanks

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José Luis García Pallero
jgpallero at gmail.com
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