in src/main/java/org/apache/datasketches/memory/internal/ResourceImpl.java [548:553]
private static final long biggerSmaller(final long lLarge, final long rLarge, final long lSmall, final long rSmall) {
if ((rSmall <= rLarge) && (lLarge <= lSmall)) { return rSmall - lSmall; } //Small is totally within Large
return (rLarge < rSmall)
? rLarge - lSmall //Partial overlap on right portion of Large
: rSmall - lLarge; //Partial overlap on left portion of Large
}