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is NaN a number?
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- To: srfi-70@xxxxxxxxxxxxxxxxx
- Subject: is NaN a number?
- From: Alex Shinn <alexshinn@xxxxxxxxx>
- Date: Thu, 19 May 2005 11:18:44 +0900
- Delivered-to: srfi-70@xxxxxxxxxxxxxxxxx
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- Reply-to: Alex Shinn <alexshinn@xxxxxxxxx>
Is the following a typo?
(complex? 0/0) ==> #t
(real? 0/0) ==> #f
One would assume that
(complex? x) -> (real? (real-part x))
Moreover, since 0/0 is by definition "Not a Number" it seems natural that
(number? 0/0) ==> #f