[GHC] #13040: realToFrac into Complex Double has no specialization

[GHC]

#13040: realToFrac into Complex Double has no specialization
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        Reporter:  akio              |                Owner:  akio
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  libraries/base    |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2901
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"5800b02a1910a468485b272a2063377e8b06ee1d/ghc"
 5800b02a/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="5800b02a1910a468485b272a2063377e8b06ee1d"
 Add specialization rules for realToFrac on Complex

 This patch implements RULES that specialize realToFrac at these 2 types:

 `(Real a) => a -> Complex Double`
 `(Real a) => a -> Complex Float`

 Test Plan: ./validate

 Reviewers: austin, hvr, bgamari

 Reviewed By: bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2901

 GHC Trac Issues: #13040
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13040#comment:2>
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