Bitwise NOT in ruby

Question

I have a formula in JS that uses the bitwise NOT operator.

~~(n/m + 0.5) * m;

How do I write the same expression in ruby? There is no bitwise NOT operator in ruby.

Answer 1

won't this help? http://www.techotopia.com/index.php/Ruby_Operators#Ruby_Bitwise_Operators

~ Bitwise NOT (Complement)