public void dumpExpression(TabbedPrintWriter writer)
			throws java.io.IOException {
		subExpressions[0].dumpExpression(writer, 550);
		writer.breakOp();
		writer.print(" <=>");
		if (allowsNaN)
			writer.print(greaterOnNaN ? "g" : "l");
		writer.print(" ");
		subExpressions[1].dumpExpression(writer, 551);
	}