Question

[how to use ~ operator ]

I have a structure say Alpha. I know the value of element inside Alpha (say a) which can be 0 or 1 – I want the other element of same structure to take inverse value of Alpha.a. For example:

if Alpha.a = 1
then Alpha.b = 0

and vice versa

I have tried:

Alpha.b = ~ (Alpha.a)

But unfortunately it doesnt work – when Alpha.a is 1, Alpha.b gets set to 254

Any ideas?

Thanks and regards,

SamPrat

Answer 1

Use XOR operator:

Alpha.b = Alpha.a ^ 1;