Projects / APFP


Apfp (Arbitrary Precision Floating Point) is a Ruby class for performing arbitrary precision floating point calculations. It also includes a class Apc for calculating with arbitrary precision complex numbers. It also contains a Real class for built-in reals. Both classes keep an estimate of the accumulated error.

Operating Systems

Recent releases

  •  19 May 2007 23:38

    Release Notes: The default initial error was increased.

    •  09 May 2007 17:53

      Release Notes: This release fixes error estimation, especially +, *, / and log. The behaviour of ap_in if there is no decimal point has been fixed.

      •  05 May 2007 23:02

        Release Notes: This release was made compatible with Rails for a calculator, which resulted in much debugging.

        •  28 Apr 2007 19:36

          Release Notes: The logarithm functions were greatly improved. norm and sqrt were also improved.

          •  26 Apr 2007 21:38

            Release Notes: Small changes in support of rubysode.


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