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<=> is useful

Name: Anonymous 2007-07-14 12:10 ID:SZVDH+iW

As it is actually testing if a machine representation of a number is in the set of extended real numbers (i.e. all real numbers, +∞ and −∞)

In particular, x <=> NaN returns false for all values of x.

Name: Anonymous 2007-07-14 13:29 ID:Heaven


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