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Mastering the C++17 STL

You're reading from   Mastering the C++17 STL Make full use of the standard library components in C++17

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787126824
Length 384 pages
Edition 1st Edition
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Arthur O'Dwyer Arthur O'Dwyer
Author Profile Icon Arthur O'Dwyer
Arthur O'Dwyer
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Table of Contents (13) Chapters Close

Preface 1. Classical Polymorphism and Generic Programming 2. Iterators and Ranges FREE CHAPTER 3. The Iterator-Pair Algorithms 4. The Container Zoo 5. Vocabulary Types 6. Smart Pointers 7. Concurrency 8. Allocators 9. Iostreams 10. Regular Expressions 11. Random Numbers 12. Filesystem

Dealing with distributions

Now that we've seen how to generate random bits on demand, let's look at how to convert those random bits to numeric values matching a particular distribution. This two-step process--generate raw bits, and then format them into data values--is very similar to the two-step process of buffering and parsing we covered in Chapter 9, Iostreams. First, get the raw bits and bytes, then perform some kind of operation to convert those bits and bytes into typed data values.

Given any distribution object dist, you can perform the following operations on it:

  • dist(g): This yields the next output according to the appropriate mathematical distribution. It may require several calls to g(), or none at all, depending on the internal state of the dist object.
  • dist.reset(): This clears the internal state of the dist object, if any. You'll never need to use...
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