[r6rs-discuss] [Formal] Formal Comment: NaN should be considered a number, not a real

From: John Cowan <cowan>
Date: Sun, 24 Jun 2007 15:06:32 -0400

Aubrey Jaffer scripsit:

> SCM on i686 uses IEEE-754 64-bit floats and it returns NaN:
>
> (- (+ 1e308+1i 1e308+1i) (+ 1e308+0.5i 1e308+0.5i)) ==> 0/0

Okay, you made it do so. What of it?

> Where in IEEE-754 does it specify how to compute complex addition?

Why do you ask me this rhetorical question?

-- 
"The serene chaos that is Courage, and the phenomenon   cowan at ccil.org
of Unopened Consciousness have been known to the        John Cowan
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"Why is that?" the woman inquired.
"Because I just made that word up", the Master said wisely.
        --Kehlog Albran, The Profit             http://www.ccil.org/~cowan

Received on Sun Jun 24 2007 - 15:06:32 UTC