a=((number & 01010101)<<1) b=((number & 10101010)>>1) a OR b the bits will be exchanged .
i hope you understood. On Sat, Sep 5, 2009 at 4:45 AM, Pramod Negi <negi.1...@gmail.com> wrote: > i guess > num = ((num&0xAA)>>1) | ((num&0x55)<<1)) > will work > > Negi > > > On Sat, Sep 5, 2009 at 2:08 PM, Gokul <spgo...@gmail.com> wrote: > >> >> how ll u swap every two bits in the a byte??? can anyone help me??? >> for eg. >> consider a byte as input... >> 10111010 >> >> output should be >> 01110101 >> >> it exactly swap the two bits(no complement is takesplace here).. >> >> >> > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@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 -~----------~----~----~----~------~----~------~--~---
