[algogeeks] Re: swap every two bits in the byte..

2009-09-05 Thread Ajith G
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 wrote: > i guess > num = ((num&0xAA)>>1) | ((num&0x55)<<1)) > will work > > Negi > > > On Sat, Sep 5, 2009 at 2:08 PM, Gokul wrote: >

[algogeeks] Re: swap every two bits in the byte..

2009-09-05 Thread Pramod Negi
i guess num = ((num&0xAA)>>1) | ((num&0x55)<<1)) will work Negi On Sat, Sep 5, 2009 at 2:08 PM, Gokul 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 bit