@Override
	protected void scorePair(FunctionPair pair) {
		int indexA = pair.funcA.getExecutableRecord().getXrefIndex();
		int indexB = pair.funcB.getExecutableRecord().getXrefIndex();

		if (indexA == singleExeXref) {
			singleScore[indexB - 1] += pair.significance;
		}
		else if (indexB == singleExeXref) {
			singleScore[indexA - 1] += pair.significance;
		}
	}
Construct the scorer.  If normalized scores are required, a self-score cacher
must be provided.
@param cache is the self-score cacher or null
@throws LSHException for problems initializing the cache
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/query/client/ExecutableScorerSingle.java