public static BigFloat add(BigFloat a, BigFloat b) {
		BigFloat c = a.copy();
		c.add(b);
		return c;
	}
@param a a BigFloat
@param b a BigFloat
@return {@code a+b}
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcode/floatformat/BigFloat.java