lp://staging/~ghc/ghc/packages-integer-gmp-master

Branch merges

This import branch has no branches proposed for merge into it.

No branches dependent on this one.

Related source package recipes

No recipes using this branch. (?)

Create packaging recipe

Related snap packages

Related bugs

Related blueprints

181. By Austin Seipp <email address hidden> on 2014-02-26

Fix GMP v4 compatibility.

We had started relying on GMP 5.x (for usage of mpz_powm_sec), but this
is pretty painful on RHEL-esque targets, which still use GMP 4.x.

In the mean time while we're still supporting this, it's easier to just
fallback to mpz_powm when _sec is unavailable, and emit a WARNING for
using the primitive.

This also installs a header, HsIntegerGmp.h, which clients could use for
a fallback.

As a side note, this will probably also help Debian oldstable users who
might have outdated GMP versions (which I believe is the cause for #8666.)

Reviewed-by: Herbert Valerio Riedel <email address hidden>
Signed-off-by: Austin Seipp <email address hidden>

180. By Herbert V. Riedel on 2014-02-02

Fix negation of `divMod`/`quotRem` results (fixes #8726)

High-level pseudo code of what the code was supposed to implement:

    quotRem' :: Integer -> Integer -> (Integer,Integer)
    quotRem' a b@(S# _)
      | b < 0 = negFst . uncurry quotRem' . negSnd $ (a,b)
      | otherwise = quotRemUI a (fromIntegral (abs b))

    divMod' :: Integer -> Integer -> (Integer,Integer)
    divMod' a b@(S# _)
      | b < 0 = negSnd . uncurry divMod' . negBoth $ (a,b)
      | otherwise = divModUI a (fromIntegral b)

    negFst (q,r) = (-q,r)
    negSnd (q,r) = ( q,-r)
    negBoth (q,r) = (-q,-r)

    -- quotRemUI and divModUI represent GMP's `mpz_{f,t}div_qr_ui()`
    quotRemUI, divModUI :: Integer -> Word -> (Integer,Integer)

Signed-off-by: Herbert Valerio Riedel <email address hidden>

179. By heisenbug on 2014-02-01

Fix a popular typo

Herbert, this is a merge candidate to the 7.8 branch

178. By Herbert V. Riedel on 2014-02-01

Add Hackage-supported `changelog.md`

Signed-off-by: Herbert Valerio Riedel <email address hidden>

177. By Herbert V. Riedel on 2014-01-31

Improve documentation of `integer-gmp`

Among other things, this unhides `GHC.Integer` and re-groups the export list.
Moreover, the internal representation of `Integer` is explained a bit more,
and `/Since: 0.5.1.0/` annotations have been added.

Signed-off-by: Herbert Valerio Riedel <email address hidden>

176. By Herbert V. Riedel on 2014-01-16

Dont use big/small-int primops on IL32P64 (i.e. Win/x86_64) for now

This is due to `mpz_*()` functions having @long@ arguments which are
32bit on IL32P64, whereas `Int#` and `Word#` are 64bit wide, causing all
sorts of malfunction due to truncation.

This affects mostly the new big/small-int primops introduced in the
course of #8647, so when `SIZEOF_W != SIZEOF_LONG` we simply fall back
to using the big/big-int primops. big/small primops implemented via the
low-level `mpn_*()` GMP operations are not affected, as those use
`mp_limb_t` arguments.

Signed-off-by: Herbert Valerio Riedel <email address hidden>

175. By Herbert V. Riedel on 2014-01-16

Introduce new SIZEOF_MP_LIMB_T derived constant

This allows to simplify code in `float.c` and to encode the
"sizeof(mp_limb_t) != sizeof(W_)" assumption as a compile-time
assertion.

Signed-off-by: Herbert Valerio Riedel <email address hidden>

174. By Herbert V. Riedel on 2014-01-14

Use correct package id for `stg_INTLIKE_closure` import

I'm a bit surprised though this didn't cause linkage errors

(the incorrect import statement was introduced in 7bdcadda7e)

Signed-off-by: Herbert Valerio Riedel <email address hidden>

173. By Kazu Yamamoto <email address hidden> on 2014-01-14

Fix in-tree GMP build (#8497) on OS X Mavericks

Signed-off-by: Austin Seipp <email address hidden>

172. By Herbert V. Riedel on 2014-01-13

Wrap `gmpz_fdiv_{q,r,qr}_ui` to optimize `div`/`mod`

This is similiar to what has been done in [af2ba9c8/integer-gmp] for
`gmpz_tdiv_{q,r,qr}_ui` (re #8647); However, the gain is more modest
here, as performance-conscious code tends to use `quot`/`rem` rather
than `div`/`mod`:

     Program Size Allocs Runtime Elapsed TotalMem
 -------------------------------------------------------------
   primetest +0.3% -2.4% 0.06 0.06 +0.0%
         rsa +0.2% -3.3% 0.02 0.02 +0.0%

Signed-off-by: Herbert Valerio Riedel <email address hidden>