December 2013
Beginner to intermediate
286 pages
5h 46m
English
Content preview from F# for Quantitative Finance
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Learning about numerical types in F#
In F#, as in most other modern languages, there is a variety of numerical types. The main reason for this is to enable you, as a programmer, to choose the most appropriate numerical type at any given situation. Sometimes there is no need for a 64-bit integer as 8-bit will be enough for small numbers. Another aspect is memory efficiency and consumption, that is, 64-bit integers will consume eight times as much as 8-bit integers.
The following is a table with the most common numerical types used in the F# code. They come in two main varieties; integers and floating-point numbers:
|
Type |
Description |
Example |
|---|---|---|
|
byte |
8-bit unsigned integers |
10uy, 0xA0uy |
|
sbyte |
8-bit signed integers |
10y |
|
int16 |
16-bit signed integers ... |
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