X-Spam-Check-By: sourceware.org Message-ID: Date: Mon, 6 Mar 2006 10:08:31 +0000 From: "Alessio Massaro" To: cygwin AT cygwin DOT com Subject: RE: Precision of doubles and stdio MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by delorie.com id k26A8dlJ017977 x <= 70.900000000000005684341886080801486968994140625DOES implyx <= 70.90000000000000568434188608080148696899414AND vice-versa!Even in 64 bits IEEE 754 the representations of the 2 numbers areidentical. Anything beyond the 34th decimal digit is made up by theprintf implementation, i.e. it' snoise.