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| author | ARJANEN Loïc Jean David <arjanen.loic@gmail.com> | 2018-06-17 11:30:28 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2018-06-17 12:41:42 -0400 |
| commit | 793902e6891c30150fd3ac1e0e471269a4766780 (patch) | |
| tree | 495e1964f6b30cab0dff45c9f69bd3ed703ca811 /libraries/base/Data | |
| parent | df0f148feae4c3b9653260edff843d561d6d5918 (diff) | |
| download | haskell-793902e6891c30150fd3ac1e0e471269a4766780.tar.gz | |
Improve documentation of Eq, Ord instances for Float and Double
Reviewers: sjakobi, dfeuer, bgamari, hvr
Reviewed By: sjakobi, bgamari
Subscribers: rwbarton, thomie, carter
GHC Trac Issues: #15078
Differential Revision: https://phabricator.haskell.org/D4736
Diffstat (limited to 'libraries/base/Data')
| -rw-r--r-- | libraries/base/Data/Complex.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libraries/base/Data/Complex.hs b/libraries/base/Data/Complex.hs index 073f5c5e86..a544a5bf6c 100644 --- a/libraries/base/Data/Complex.hs +++ b/libraries/base/Data/Complex.hs @@ -55,6 +55,10 @@ infix 6 :+ -- has the phase of @z@, but unit magnitude. -- -- The 'Foldable' and 'Traversable' instances traverse the real part first. +-- +-- Note that `Complex`'s instances inherit the deficiencies from the type +-- parameter's. For example, @Complex Float@'s 'Ord' instance has similar +-- problems to `Float`'s. data Complex a = !a :+ !a -- ^ forms a complex number from its real and imaginary -- rectangular components. |