x=((x>>3)&(0x11)|(a<<3)& 0x88 |(a>>1)& 0x44 | (a<<1) && 0x22)
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. > > -- DIPANKAR DUTTA M-TECH,Computer Science & Engg. E&C Dept,IIT ROORKEE Uttarakhand , India – 247667 ------------------------------------------- website:http://people.iitr.ernet.in/shp/09535009/Website/index.html ph no-09045809987 email:dipan...@iitr.ernet.in <email%3adipan...@iitr.ernet.in> -- 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.
