-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Not so much it required such a long thread.
On Fri, 28 Sep 2007 15:29:18 -0400 Rodrigo Barbosa <[EMAIL PROTECTED]> wrote: >On Fri, Sep 28, 2007 at 09:09:02PM +0200, Michal Zalewski 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); } > >Confirmed here with: > >gcc (GCC) 4.1.1 20070105 (Red Hat 4.1.1-52) > >Actually quite interesting. > >-- >Rodrigo Barbosa >"Quid quid Latine dictum sit, altum viditur" >"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns) -----BEGIN PGP SIGNATURE----- Note: This signature can be verified at https://www.hushtools.com/verify Charset: UTF8 Version: Hush 2.5 wpwEAQECAAYFAkb+RoIACgkQ+dWaEhErNvTOsgP/ZcU7BhwhtlxVR3DGfKQU7mn5uLVR cN9rMB+G+yvM8CtdwrN3d0aJDCd2LFIal0XhnzvlPIV86wAhWic2gS89TRGHt9J82mKp PyqHJWN0OAfMY0EjbURREjaz4dxmfV0d+T8la5b/vLRDhcI7HlH7YvLBrLcuDSAcySZX 5BtQnKE= =uIWZ -----END PGP SIGNATURE----- -- Click here to find great prices on contact lenses. Save now. http://tagline.hushmail.com/fc/Ioyw6h4ea3BpGtXYQZ6VgDfUuhClr58eVgjo8X0nsCkACj902Us7mY/ _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/