exact-pi-0.2.1.2: changelog.md

0.2.1.2
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* Fixed a bug in recip.
* Fixed approximation of exact values with a negative exponent for pi.

0.2.1.1
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* Fixed a missing case in isZero.

0.2.1.0
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* Added support for converting to exact integers or exact rationals.

0.2.0.0
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* Removed dependency on groups package, since it appears not to be widely used.
* Fixed a missing case alternative in recip.

0.1.2.0
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* Added support for GHC 7.8.