From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <00d601c3f1d1$44aa3490$8201a8c0@cc77109e> From: "Bruce Ellis" To: <9fans@cse.psu.edu> References: <5.1.1.6.0.20040213110626.00ab8d40@pop.monitorbm.co.nz> Subject: Re: [9fans] floating point MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Date: Fri, 13 Feb 2004 12:32:36 +1100 Topicbox-Message-UUID: e16a4efe-eacc-11e9-9e20-41e7f4b1d025 excellent - tho not a benchmark it is a very rigorous program that i've used before in compiler development. please send. brucee ----- Original Message ----- From: "Andrew Simmons" To: <9fans@cse.psu.edu> Sent: Friday, February 13, 2004 9:16 AM Subject: Re: [9fans] floating point > > Shortish, sensible, benchmarks would be a appreciated. > > Not exactly a benchmark, and it may be neither short nor sensible, but I > bodged up a version of Kahan's Paranoia to run under Plan 9 a while back. > The summary was as follows: > > No failures, defects nor flaws have been discovered. > Rounding appears to conform to the proposed IEEE standard P754, > except for possibly Double Rounding during Gradual Underflow. > The arithmetic diagnosed appears to be Excellent! > > The exception was a "denormalized operand" exception in the search for > overflow threshold.