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# Changelog for [`integer-gmp` package](http://hackage.haskell.org/package/integer-gmp)
## 1.0.2.0 *April 2018*
* Bundled with GHC 8.4.2
* Define `powModSecInteger`, a "secure" version of `powModInteger` using the
`mpz_powm_sec` function.
## 1.0.1.0 *July 2017*
* Bundled with GHC 8.2.1
* Optimize `minusInteger`
* Fix the right-shift operation for negative big integers (fixes GHC #12136)
* Make operations more strict
## 1.0.0.1 *Feb 2016*
* Bundled with GHC 8.0.1
* Optimise `bitBigNat`/`bigInteger`
* Fix minor issue in `eqBigNatWord#`
* Various minor optimisations
## 1.0.0.0 *Mar 2015*
* Bundled with GHC 7.10.1
* Complete rewrite of `integer-gmp`. For more details, see
https://ghc.haskell.org/trac/ghc/wiki/Design/IntegerGmp2
## 0.5.1.0 *Feb 2014*
* Bundled with GHC 7.8.1
* Improved Haddock documentation
* New [PrimBool](https://ghc.haskell.org/trac/ghc/wiki/PrimBool)
versions of comparison predicates in `GHC.Integer`:
eqInteger# :: Integer -> Integer -> Int#
geInteger# :: Integer -> Integer -> Int#
gtInteger# :: Integer -> Integer -> Int#
leInteger# :: Integer -> Integer -> Int#
ltInteger# :: Integer -> Integer -> Int#
neqInteger# :: Integer -> Integer -> Int#
* New `GHC.Integer.testBitInteger` primitive for use with `Data.Bits`
* Reduce short-lived heap allocation and try to demote `J#` back
to `S#` more aggressively. See also
[#8647](https://gitlab.haskell.org/ghc/ghc/issues/8647)
for more details.
* New GMP-specific binary (de)serialization primitives added to
`GHC.Integer.GMP.Internals`:
importIntegerFromByteArray
importIntegerFromAddr
exportIntegerToAddr
exportIntegerToMutableByteArray
sizeInBaseInteger
* New GMP-implemented number-theoretic operations added to
`GHC.Integer.GMP.Internals`:
gcdExtInteger
nextPrimeInteger
testPrimeInteger
powInteger
powModInteger
powModSecInteger
recipModInteger
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