[PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef

G'day p5p,

The current perlfunc documentation states correctly that atan2(0,0) is not 
well defined, which implies to the reader that Perl returns undef for this 
point.  It doesn't, it returns 0, and provides no warning that such 
foolishness has been entered into.

The attached patch documents that atan2(0,0) does actually return 0.

I'd also like to take this opportunity to nudge regarding my older patch to 
shutdown[1], which I believe is correct but unapplied.

Cheerio,

	Paul

[1] http://www.xray.mpe.mpg.de/mailing-lists/perl5-porters/2008-03/msg00857.html

-- 
Paul Fenwick <pjf@perltraining.com.au> | http://perltraining.com.au/
Director of Training                   | Ph:  +61 3 9354 6001
Perl Training Australia                | Fax: +61 3 9354 2681

• [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Paul Fenwick
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Dave Mitchell
• [PATCH] Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Andrew Dougherty
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Andrew Dougherty
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Paul Fenwick
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Abigail
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Rafael Garcia-Suarez
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Andy Dougherty
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Nicholas Clark
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Paul Fenwick
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Rafael Garcia-Suarez
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Andy Dougherty
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Rafael Garcia-Suarez
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Andy Dougherty
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Nicholas Clark
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Andy Dougherty
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Nicholas Clark
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Dominic Dunlop
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Aristotle Pagaltzis
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by James Cloos
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Tels
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Rafael Garcia-Suarez
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Mark Jason Dominus
• Re: [PATCH] perlfunc.pod: atan2(0,0) returns 0, not undef by Paul Fenwick