[Rd] buglet in ?asin

From: Kjetil Halvorsen <kjetilbrinchmannhalvorsen_at_gmail.com>
Date: Mon 25 Sep 2006 - 22:17:52 GMT


This is fron R-2.5.0-to-be, windows XP

The following excerpt from ?asin cannot be right:

For asin() and acos(), there are two cuts, both along the real axis: *(-Inf, 1]* and *[1, Inf)*. Functions asin() and acos() are continuous from above on the interval *(-Inf, -1]* and continuous from below on *[1, Inf)*. Note the first interval should be (-Inf, -1) not (-Inf, 1)

Kjetil

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