On Sun, Dec 19, 2010 at 2:36 AM, Dave <[email protected]> wrote:
> For 32-bit integers: > > x = ((x >> 16) & 0X0000FFFF) | ((x & 0X0000FFFF) << 16); > x = ((x >> 8) & 0X00FF00FF) | ((x & 0X00FF00FF) << 8); > x = ((x >> 4) & 0X0F0F0F0F) | ((x & 0X0F0F0F0F) << 4); > x = ((x >> 2) & 0X33333333) | ((x & 0X33333333) << 2); > x = ((x >> 1) & 0X55555555) | ((x & 0X55555555) << 1); > ----->> Can U please explain the logic of this code ? > > x is now the binary reversal of its original value. > > Dave > > On Dec 18, 1:28 pm, Ankur Khurana <[email protected]> wrote: > > you mean reverse or make 1 to 0 or 0 to 1 ? > > > > > > > > On Sun, Dec 19, 2010 at 12:52 AM, bittu <[email protected]> > wrote: > > > Write an Efficient C Program to Reverse Bits of a Number > > > > > -- > > > You received this message because you are subscribed to the Google > Groups "Algorithm Geeks" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > [email protected]<algogeeks%[email protected]> > . > > > For more options, visit this group athttp:// > groups.google.com/group/algogeeks?hl=en.- 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]<algogeeks%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > > -- Pratik Kathalkar CoEP BTech IT 8149198343 -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
