not 100% sure if this is what you are asking for but here it goes.
you have a number 11110000 (binary) and you want 00001111 (binary)?
you want to use the xor operator ^
value = 0xf0; //11110000 binary
printf("before %d\n");
value ^= 0xff; //11111111 binary
printf("after%d\n");
output:
before 240
after 15
240 in binary is 11110000
15 in binary is 00001111
<http://wiki.answers.com/Q/How_do_you_reverse_a_number_using_bitwise_operator#ixzz1Uk5fUjai>
On Thu, Aug 11, 2011 at 10:43 PM, Rajeshwar Patra
<rajeshwarpa...@gmail.com>wrote:
> how can we reverse a number using bitwise operators?
>
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> *Rajeshwar Patra,*
> *MCA final year,*
> *Nit Durgapur*
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*Narayanan S,*
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