Fpr the Revised Haskell 98 report, Russell O'Connor suggests:
| Also, I understand you are reluctant to make library changes,
| but sinh and cosh can easily be defined in terms of exp
|
| sinh x = (exp(x) - exp(-x))/2
| cosh x = (exp(x) + exp(-x))/2
|
| (source: Calculus Third Edition by Michael Spivak, page 349,
| or any decent calculus book)
|
| I suggest removing sinh and cosh from the minimal complete
| definition, and add the above defaults.
This looks pretty reasonable to me. We should have default methods
for anything we can.
Comments?
Simon
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