X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [64.117.224.130]) by svr1.postgresql.org (Postfix) with ESMTP id DC8B1D1C4DC for ; Thu, 24 Jul 2003 18:44:36 +0000 (GMT) Received: from svr1.postgresql.org ([64.117.224.193]) by localhost (neptune.hub.org [64.117.224.130]) (amavisd-new, port 10024) with ESMTP id 63730-02 for ; Thu, 24 Jul 2003 15:43:52 -0300 (ADT) Received: from sss.pgh.pa.us (unknown [192.204.191.242]) by svr1.postgresql.org (Postfix) with ESMTP id A5D27D1C4B7 for ; Thu, 24 Jul 2003 15:44:34 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.12.9/8.12.9) with ESMTP id h6OIiAQ3013317; Thu, 24 Jul 2003 14:44:10 -0400 (EDT) To: Greg Stark Cc: Bruce Momjian , Stephan Szabo , Jean-Luc Lachance , "Michael S. Tibbetts" , pgsql-sql@postgresql.org Subject: Re: min() and NaN In-reply-to: <87u19bojr1.fsf@stark.dyndns.tv> References: <200307221859.h6MIxJk11503@candle.pha.pa.us> <15160.1058902399@sss.pgh.pa.us> <87u19bojr1.fsf@stark.dyndns.tv> Comments: In-reply-to Greg Stark message dated "24 Jul 2003 14:35:46 -0400" Date: Thu, 24 Jul 2003 14:44:10 -0400 Message-ID: <13316.1059072250@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at postgresql.org X-Archive-Number: 200307/364 X-Sequence-Number: 14478 Greg Stark writes: > Does postgres intend to support all the different types of NaN? Does you > intend to have +Inf and -Inf and underflow detection and all the other goodies > you actually need to make it useful? We have some of that; it needs work, and it's always going to be dependent on the platform having proper IEEE support, but that's no excuse to throw it away. regards, tom lane