[cfp-interest 3408] Re: Change to cproj - 7.3.9.5

[Jim Thomas]

Tomorrow CFP will discuss

•	[cfp-interest 3396] Change to cproj - 7.3.9.5   Damian McGuckin

which proposes changes for 7.3.9.5 (The cproj functions). I’d like us to consider appending a sentence to the proposed replacement for paragraph 2:

The cproj functions map z to itself except where z has an infinite real or imaginary part (even if the other part is a NaN) in which case cproj(z) is equivalent to 

CMPLX(INFINITY, copysign(0.0, cimag(z)))

Other functions in the proj family are equivalent, in this case, to the analogous expression for their type.


- Jim Thomas



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