@Coolfrog$: It will be instructive if you do it for yourself. Perhaps with practice you can work through your confusion. Have you worked out the bit patterns of those hex constants? They are crucial to understanding Gene's algorithm. -- Dave
On Nov 22, 6:55 am, "coolfrog$" <dixit.coolfrog.div...@gmail.com> wrote: > @dave > plz run gene's code for input 0xAD...or send me some link of bitwise > programing which involve simultaneous many opearation... like above... > i am always confused with bitwise programing... > > > > > > On Sun, Nov 21, 2010 at 11:11 PM, Dave <dave_and_da...@juno.com> wrote: > > @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> > > <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<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.
