[Octave-bug-tracker] [bug #31974] Interpreter fails to create complex numbers with Inf complex parts

[David Bateman]

Follow-up Comment #10, bug #31974 (project octave):

Frankly, what the hell was mathworks thinking when they implemented this
exception to IEEE754..... What a mess..

Does this behavior also hold for matrices or is it particular to scalars?
What about sparse matrices? or even scalars stored in sparse matrices? What
does

Inf(2,2) * j
Inf(2,2) .* j
Inf * j(2,2)
Inf(2,2) .* j(2,2)
Inf * sparse(j(2,2))
Inf * sparse(1)

give in matllab? If the same behavior holds for matrices, then we are going
to take a serious performance hit to special case the imaginary by infinity or
NaN case.

D.


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