public BigDecimal round(BigFloat bigFloat) {
		BigDecimal bigDecimal = bigFloat.toBigDecimal();
		if (bigDecimal == null) {
			return null;
		}
		return bigDecimal.round(displayContext);
	}
Round {@code bigFloat} using this format's displayContext.

@param bigFloat any BigFloat
@return a BigDecimal rounded according to this format's displayContext
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcode/floatformat/FloatFormat.java