Numeric.showFFloat outputs decimal point when it should not.

showFFloat Nothing 42 ""

The expression above should give "42" but actually gives "42.0". Only showFFloatAlt should do this.

Minimal example: http://ideone.com/yYvqrf

Trac metadata

Trac field	Value
Version	7.10.2
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	libraries/base
Test case
Differential revisions
BlockedBy
Related
Blocking
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Operating system
Architecture

changed weight to 5

added Tbug Trac import core libraries labels

closed

Sorry, it looks like it was just me misreading the documentation.

The difference between showFFloat and showFFloatAlt becomes more clear to me with this example:

http://ideone.com/QHOlGr

Trac metadata

Trac field	Value
Resolution	Unresolved → ResolvedInvalid

Some discussion here: https://www.reddit.com/r/haskell/comments/3w1rjd/numericshowffloat_vs_numericshowffloatalt/

added numerics label

added incorrect runtime result label

added Pnormal label