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Interval package

50 bytes added, 13:19, 17 October 2014
added reference to Kahan
However, there are some downsides of floating point arithmetic in practice, which will eventually produce errors in computations.
* Floating point arithmetic is often used mindlessly by developers. [] []
* The binary data types categorically are not suitable for doing financial computations. Very often representational errors are introduced when using “real world” decimal numbers. []
* Even if the developer would be proficient, most developing environments / technologies limit floating point arithmetic capabilities to a very limited subset of IEEE 754: Only one or two data types, no rounding modes, … []

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