`Numeric.showEFloat` does not honor precision with 0 digits
Hello,
Numeric.showEFloat should display a number of digit after the dot depending on the Maybe Int argument. It works for values > 0:
Prelude Numeric> Numeric.showEFloat (Just 5) pi ""
"3.14159e0"
Prelude Numeric> Numeric.showEFloat (Just 1) pi ""
"3.1e0"But for 0 it shows the same result as with 1:
Prelude Numeric> Numeric.showEFloat (Just 0) pi ""
"3.1e0"I was expecting 3e0 or 3e0.
As a matter of comparison, here is the behavior with Numeric.showFFloat:
Prelude Numeric> Numeric.showFFloat (Just 5) pi ""
"3.14159"
Prelude Numeric> Numeric.showFFloat (Just 1) pi ""
"3.1"
Prelude Numeric> Numeric.showFFloat (Just 0) pi ""
"3"Trac metadata
| Trac field | Value |
|---|---|
| Version | 8.4.2 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | libraries/base |
| Test case | |
| Differential revisions | |
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| Related | |
| Blocking | |
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