Data.Text.Lazy.Builder.RealFloat

Write a floating point value to a Builder.

Documentation

data FPFormat

Control the rendering of floating point numbers.

Constructors

Exponent

Scientific notation (e.g. 2.3e123).

Fixed

Standard decimal notation.

Generic

Use decimal notation for values between 0.1 and 9,999,999, and scientific notation otherwise.

Instances

Enum FPFormat

Read FPFormat

Show FPFormat

realFloat :: RealFloat a => a -> Builder

Show a signed RealFloat value to full precision, using standard decimal notation for arguments whose absolute value lies between 0.1 and 9,999,999, and scientific notation otherwise.

formatRealFloat

Arguments

:: RealFloat a

=> FPFormat

-> Maybe Int

Number of decimal places to render.

-> a

-> Builder