Date: Sun, 6 May 2012 10:43:00 -0500 From: "jfoug" <jfoug@....net> To: <john-dev@...ts.openwall.com> Subject: RE: OpenCL SWAP64 on 7970 If n already is a ulong, then the proper casting would be: ((n & ((ulong)0xff00UL)) << 24) Another option may be: ((n<<24)&0xff00000000UL) >-----Original Message----- > >Yes. I have even tried (ulong)((n) & 0xff00UL) << 24), the result is >also 0. > >myrice
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