From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: To: 9fans@9fans.net From: Richard Miller <9fans@hamnavoe.com> Date: Thu, 22 Aug 2013 15:05:11 +0100 In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] comparisons with NaN Topicbox-Message-UUID: 73e8c278-ead8-11e9-9d60-3106f5b1d025 > it would be reasonable to try to follow the standard, unless it's stupid, > ill-advised, or impossible (or all three). Not impossible, maybe a bit tricky to stop the linkers from reordering things. The cost would be (at least) one extra instruction for each 'if' statement with a floating point inequality and no 'else' clause. Ron, are you still reading this list? What do your numerical colleagues think about NaNs?