public static List<BSimMatchResult> filterMatchRows(BSimFilter filter,
		List<BSimMatchResult> rows) {
		if (filter == null || filter.isEmpty()) {
			return rows;
		}
		List<BSimMatchResult> filteredrows = new ArrayList<BSimMatchResult>();
		for (BSimMatchResult row : rows) {
			if (filter.evaluate(row.getMatchFunctionDescription())) {
				filteredrows.add(row);
			}
		}
		return filteredrows;
	}
The significance of the similarity of this function to the input function.  This is a value
that starts at 0.0, with no upper bound.  Functions small in size will have a low 
significance score, as there is a chance that many small functions will have a 
similar makeup.

@return the significance of the similarity of this function to the input function.
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/gui/search/results/BSimMatchResult.java