elk-util-parent/elk-util-collections/src/main/java/org/semanticweb/elk/util/collections/LinearProbing.java
static <E> int getMovedPosition(E[] d, int del) {
		int j = del;
		for (;;) {
			if (++j == d.length)
				j = 0;
			// invariant: interval ]del, j] contains only non-null elements
			// whose index is in ]del, j]
			E test = d[j];
			if (test == null)
				return j;
			int k = getIndex(test, d.length);
			// check if k is in ]del, j] (this interval can wrap over)
			if ((del < j) ? (del < k) && (k <= j) : (del < k) || (k <= j))
				// the test element should not be shifted
				continue;
			// else it should be shifted
			return j;
		}

	}
static <E> int getMovedPosition(E[] d, int del) {
		int j = del;
		for (;;) {
			if (++j == d.length)
				j = 0;
			// invariant: interval ]del, j] contains only non-null elements
			// whose index is in ]del, j]
			E test = d[j];
			if (test == null)
				return j;
			int k = getIndex(test, d.length);
			// check if k is in ]del, j] (this interval can wrap over)
			if ((del < j) ? (del < k) && (k <= j) : (del < k) || (k <= j))
				// the test element should not be shifted
				continue;
			// else it should be shifted
			return j;
		}

	}
Finds the position of the next element starting from the given position
that would not be found by linear probing if the element at the given
position are deleted. This should be the element whose index is smaller
than this position.

@param d
@param del
@return