Android Utililty Methods Long Bit Shift

List of utility methods to do Long Bit Shift

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Description

The list of methods to do Long Bit Shift are organized into topic(s).

Method

booleanisPowerOfTwo(long n)
Returns true if the argument is a power of two. 
return (n > 0) && ((n & (n - 1)) == 0);
longflip32(long num)
for switching big/small endian 
long tmp = num;
tmp = ((tmp & 0x000000FF) << 24) + ((tmp & 0x0000FF00) << 8)
        + ((tmp & 0x00FF0000) >> 8) + ((tmp & 0xFF000000) >> 24);
return tmp;
longswap(long x)
swap 
return (long) (((long) swap((int) (x)) << 32) | ((long) swap((int) (x >> 32)) & 0xffffffffL));
booleanisPowerOfTwo(long v)
returns true if v is a power of two or zero 
return ((v & (v - 1)) == 0);