[ sisc-Bugs-1729292 ] NaN is equal to infinities

Bugs item #1729292, was opened at 2007-06-01 08:13
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Oleg Paraschenko (olpa)
Assigned to: Nobody/Anonymous (nobody)
Summary: NaN is equal to infinities

Initial Comment:
1)

$ sisc 
which: no rlwrap in
(/home/olpa/bin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin:/usr/games)
SISC (1.15.3)
#;> (define (gx:nan? x) (equal? x #!nan))
#;> (map gx:nan? (list (/ 0.0 0.0) (/ 1.0 0.0) (/ -1.0 0.0)))
(#t #t #t)

Should be (#t #f #f)

2)

#;> (= #!nan 2)
#t

Should be #f.

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