Index
 
  The Wiring 1.0 _ALPHA_ Reference is a work in progress.
If you see any errors or have any comments, please write to: hbarragan [at] uniandes.edu.co
Name  

~ (bitwise one´s complement)

   
Examples   
unsigned int value=4;  //   4 = 0000 0100 
 
value = ~ value;       // 251 = 1111 1011

Description   This operand is unary (requires one operand) and inverts bit by bit of an expression. Returns 0 for that position bit if the position is 1 or 1 if the position is 0. The following list shows all possible combinations:

~ 0 // Evaluates 1
~ 1 // Evaluates 0
   
Syntax   
~ expression
   
Parameters  
expression   any valid expression

   
Returns   One´s complement of an expression
   
Usage   Application
   
Related   & (bitwise AND)
&= (bitwise AND and assign)
| (bitwise OR)
|= (bitwise OR and assign)
^ (bitwise XOR)
<< (bitwise bit shift left)
>> (bitwise bit shift right)