Re: [racket-dev] Floating-Point Compliance Testing

2013-02-09 Thread Laurent
On Fri, Feb 8, 2013 at 7:53 PM, Tobias Hammer tobias.ham...@dlr.de wrote: Tested it too and got an interesting result. On a 32bit linux its: +nan.0 +nan.0 +nan.0 +nan.0 +nan.0 +nan.0 +nan.0 +nan.0 That's what I get too. And indeed my other machine was a 64bits Ubuntu and Racket.

Re: [racket-dev] Floating-Point Compliance Testing

2013-02-08 Thread Neil Toronto
Back on list. A lot of things point to general sloppiness in either the FPU or C libraries, but I'd like more information just in case. Can you reply with the values of the following expressions on the Athlon? (flexpt -1001.0 -1.3407807929942596e+154) (flexpt -1001.0

Re: [racket-dev] Floating-Point Compliance Testing

2013-02-07 Thread Neil Toronto
DrDr runs (test-floating-point 1000) every push, which has returned only '() for weeks. In your output, I don't see anything that would indicate a problem with Racket. We can almost certainly pin the blame on your processor or the standard libraries on your platform. Even though you got

Re: [racket-dev] Floating-Point Compliance Testing

2013-02-07 Thread Pierpaolo Bernardi
On Thu, Feb 7, 2013 at 5:50 PM, Neil Toronto neil.toro...@gmail.com wrote: DrDr runs (test-floating-point 1000) every push, which has returned only '() for weeks. In your output, I don't see anything that would indicate a problem with Racket. We can almost certainly pin the blame on your

Re: [racket-dev] Floating-Point Compliance Testing

2013-02-07 Thread Neil Toronto
On 02/07/2013 12:09 PM, Laurent wrote: On Thu, Feb 7, 2013 at 5:50 PM, Neil Toronto neil.toro...@gmail.com mailto:neil.toro...@gmail.com wrote: Today is not that day, but thanks for asking about this anyway. :) On one machine with Ubuntu 12.10, I get no error, but on another machine with