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2009 Aug 06
0
About numerical accuracy: should there be a rational number class for fractions?
...1.htm avoid division until the last possible moment!) In R, we could protect ourselves somewhat if there were a class for handling rational numbers. Instead of taking a value like 2/3 and letting the floating point calculation occur, a function could create a "rational number object" myfrac <- rational(2, 3) And if I'm understanding the inheritance logic of objects in S 4 classes, then the rational class could implement +, -, / . Well, I'm just wondering what you think about this question. I don't think I could write this class, but I might be able to help somebody re...