#15115: `Numeric.showEFloat` does not honor precision with 0 digits -------------------------------------+------------------------------------- Reporter: guibou | Owner: (none) Type: bug | Status: patch Priority: normal | Milestone: 8.6.1 Component: libraries/base | Version: 8.4.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | libraries/base/tests/Numeric/num008 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D4665 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"9039f847a568ac69436d449b9fe090ecd03b9e06/ghc" 9039f847/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="9039f847a568ac69436d449b9fe090ecd03b9e06" base: Fix handling of showEFloat (Just 0) Previously `showEFloat (Just 0) pi ""` would produce `3.0e0`. Of course, this blatantly disrespects the user's request to print with zero digits of precision. Fix this. This is tested by base's `num008` testcase. Test Plan: Validate Reviewers: hvr Subscribers: rwbarton, thomie, carter GHC Trac Issues: #15115 Differential Revision: https://phabricator.haskell.org/D4665 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15115#comment:3> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler