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Categories >> Code-Snippets >> Programming-Code >> C-Code
 
 
 
Question 
Give a oneline C expression to test whether a number is a 
power of 2?
 Question Submitted By :: Solidcube
I also faced this Question!!     Rank Answer Posted By  
 
Answer
 
I think
if (x & (x-1))   wont work when number is negative.
 
0
Ashutosh
 
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