__device__ unsigned int __usad ( unsigned int  x,
unsigned int  y,
unsigned int  z 
)

Calculate $|x - y| + z$, the 32-bit sum of the third argument z plus and the absolute value of the difference between the first argument, x, and second argument, y.

Inputs x, y, and z are unsigned 32-bit integers.

Returns:
Returns $|x - y| + z$.


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