@Coolfrog$: Don't forget the bitwise logical products. What is the bit patterns in those hexadecimal constants? Work out the whole example and you will see how it works. -- Dave
On Nov 21, 8:21 am, "coolfrog$" <dixit.coolfrog.div...@gmail.com> wrote: > @gene > plz explain .. what is going on... by taking example..... i am unable to run > a test case > 1. x=0xAD (1010 1101) > 2. x<<1 ===>01011010 > | > x>>1 ====>01010110 > x = 01011110 > how we will get > answer as ( 0101 1011).....?????? > > > > > > On Sun, Nov 21, 2010 at 9:59 AM, Gene <gene.ress...@gmail.com> wrote: > > if the input is in unsigned char x, then > > > x = ((x << 1) & 0xAA) | ((x >> 1) & 0x55) > > x = ((x << 2) & 0xCC) | ((x >> 2) & 0x33) > > > On Nov 20, 10:41 pm, Divesh Dixit <dixit.coolfrog.div...@gmail.com> > > wrote: > > > assuming all are 8bit no. > > > input = 0x46 (0100 0110) > > > output = 0x26 ( 0010 0110 ) > > > input = 0x75 (0111 0101) > > > output = 0xFC (1110 1010 ) > > > > Algorithm..??? > > > -- > > You received this message because you are subscribed to the Google Groups > > "Algorithm Geeks" group. > > To post to this group, send email to algoge...@googlegroups.com. > > To unsubscribe from this group, send email to > > algogeeks+unsubscr...@googlegroups.com<algogeeks%2bunsubscr...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/algogeeks?hl=en. > > -- > *Divesh* > (¨`·.·´¨) Always > `·.¸(¨`·.·´¨ ) Keep > (¨`·.·´¨)¸.·´Smiling! > `·.¸.·´" Life can give u 100's of reason 2cry,but u can give life 1000's > of reasons 2Smile"- Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algoge...@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
