formatn
A library for support of:
- significant figure rounding of numbers, and
- common number formatting patterns.
Usage
:reload
:set prompt "> "
:set -Wno-type-defaults
:set -XOverloadedStrings
import Data.FormatN
xs = [(-1),0,0.1,1,1.01,1.02,1.1,1.2]
fixed (Just 2) <$> xs
decimal (Just 2) <$> xs
formats False False (const DecimalStyle) (Just 2) xs
formats False True (const DecimalStyle) (Just 2) xs
distinguish 4 False True (const DecimalStyle) (Just 2) xsgetting 0 right
fixed
fixed (Just 3) <$> [0, 0.5, 1.5, 2.0]fixed defaults to representing Doubles in the same manner as Haskell does ie with a trailing ‘.0’
fixed Nothing <$> [0, 0.5, 1.5, 2]expt
expt Nothing 0expt (Just 2) 1
expt (Just 2) 0decimal
decimal Nothing 0
decimal (Just 1) 0
decimal (Just 3) 0percent
percent is a little weird any way you cut it.
percent decimalSF (Just 4) 0
percent decimalSF (Just 4) 1inclusion in lists
formats True False commaPrecStyle Nothing [0, 0.5, 1.5, 2]
formats True False commaPrecStyle (Just 1) [0, 1, 10]
formats True False commaPrecStyle (Just 1) [0, 0.5, 1.5, 2]
formats True False commaPrecStyle (Just 2) [0, 0.5, 1.5, 2]
formats True True commaPrecStyle (Just 6) [0, 0.5, 1.5, 2]
