/* Calculates $m[(x\oplus G)\setminus(X\oplus G)]$ */
void maxmeasure(long i,             /* Label of point $x$ */
		long length,        /* Number of points in process */
		double *maxmeasure, /* Returns 
				       $m[(x\oplus G)\setminus(X\oplus G)]$ */
		location points[]   /* All info for all the points */
		);
