Absolute value without multiplies

http://codepad.org/wByY34pA
//its an improvement on my old bithack of x* ((((x >= 0) | 0) << 1) - 1)
void main(){//abs without multiply
int a=-23;// if neg   +2a -a=a if pos -a + 2a=a
int b= ((-a)<<(a<0))+((a)<<(a>0));   
printf("a:%d b:%d",a,b);
}

>>22
00000010 == 2
00000001 == 1
00000000 == 0
ffffffff == -1
fffffffe == -2

https://secure.wikimedia.org/wikipedia/en/wiki/Signed_number_representations#Two.27s_complement

You know, you should look things up before you go blindly treating misinformation as facts.