Full Disclosure mailing list archives
Re: Firefox 2.0.0.7 has a very serious calculation bug
From: "Jimby Sharp" <jimbysharp () gmail com>
Date: Sat, 29 Sep 2007 01:18:16 +0530
Thanks. On 9/29/07, Michal Zalewski <lcamtuf () dione cc> wrote:
On Sat, 29 Sep 2007, Jimby Sharp wrote:I don't get the same from C-style double arithmetics. Could you provide a sample code that you believe should show the same behavior?If you don't, it's presumably because the subtraction is optimized out by the compiler, or because you printf() with an insufficient precision in format spec. The following should do the trick: volatile double a = 5.2; volatile double b = 0.1; main() { printf("%.16lf\n",a-b); } /mz
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Current thread:
- Re: Firefox 2.0.0.7 has a very serious calculation bug, (continued)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Mukul Dharwadkar (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Larry Seltzer (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Steven Adair (Sep 28)
- Re: Firefox 2.0.0.7 has a very seriouscalculation bug gjgowey (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Steven Adair (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Larry Seltzer (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Michal Zalewski (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Jimby Sharp (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Michal Zalewski (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Rodrigo Barbosa (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Michal Zalewski (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Jimby Sharp (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Rodrigo Barbosa (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Jimby Sharp (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Brian Kim (Sep 28)
- Re: Firefox 2.0.0.7 has a very serious calculation bug Susam Pal (Sep 28)