A library that performs fast, accurate conversion between floating point and text.

This library is implemented as bindings to the C++ double-conversion library written by Florian Loitsch at Google: https://github.com/floitsch/double-conversion.

Now it can convert single precision numbers, and also it can create Builder, instead of bytestring or text.

The Text versions of these functions are about 30 times faster than the default show implementation for the Double type.

The ByteString versions are have very close speed to the Text versions;

Builder versions (both for Text and Bytestring) are slower on single value, but they are much faster on large number of values (up to 20x faster on list with 20000 doubles).

As a final note, be aware that the bytestring-show package is about 50% slower than simply using show.

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Name	Description	Default
developer	operate in developer mode	Disabled

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embedded_double_conversion	embed the C++ double_conversion library	Enabled

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• double-conversion-2.0.5.0.tar.gz [browse] (Cabal source package)
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• BryanOSullivan, Haskell_Mouse

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