Name: FrozenVoid !!mJCwdV5J0Xy2A21 2011-11-04 23:05
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);
}
//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);
}