September 2016
Intermediate to advanced
408 pages
9h 18m
English
Content preview from Haskell High Performance ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Numeric data for special use
The libraries in this subsection are as follows:
- base (module Data.Fixed): Standard fixed-precision arithmetic from the base. Precision decided at compile-time.
- Decimal (module Data.Decimal): Fixed-precision
Decimaltype and some additional utility functions. Precision decided in runtime. - numbers (modules Data.Number.*): Constructive real numbers, multi-precision floats, fixed-precision decimals, and more. Precision decided at compile-time.
The Fixed datatype from base is good for fixed-precision arithmetic when you know the precision at compile-time. The precision is encoded as a phantom type, so it's not convenient to handle multiple precisions.
The Decimal library defines a more expressive DecimalRaw type and usually ...
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