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Modern C++: Efficient and Scalable Application Development

You're reading from   Modern C++: Efficient and Scalable Application Development Leverage the modern features of C++ to overcome difficulties in various stages of application development

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Product type Course
Published in Dec 2018
Publisher
ISBN-13 9781789951738
Length 702 pages
Edition 1st Edition
Languages
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Authors (2):
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Marius Bancila Marius Bancila
Author Profile Icon Marius Bancila
Marius Bancila
Richard Grimes Richard Grimes
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Richard Grimes
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Table of Contents (24) Chapters Close

Title Page
Copyright
About Packt
Contributors
Preface
1. Understanding Language Features FREE CHAPTER 2. Working with Memory, Arrays, and Pointers 3. Using Functions 4. Classes 5. Using the Standard Library Containers 6. Using Strings 7. Diagnostics and Debugging 8. Learning Modern Core Language Features 9. Working with Numbers and Strings 10. Exploring Functions 11. Standard Library Containers, Algorithms, and Iterators 12. Math Problems 13. Language Features 14. Strings and Regular Expressions 15. Streams and Filesystems 16. Date and Time 17. Algorithms and Data Structures 1. Other Books You May Enjoy Index

Initializing all bits of internal state of a pseudo-random number generator


In the previous recipe, we have looked at the pseudo-random number library with its components and how it can be used to produce numbers in different statistical distributions. One important factor that was overlooked in that recipe is the proper initialization of the pseudo-random number generators. In this recipe, you will learn how to initialize a generator in order to produce the best sequence of pseudo-random numbers.

Getting ready

You should read the previous recipe, Generating pseudo-random numbers, to get an overview of what the pseudo-random number library offers.

How to do it...

To properly initialize a pseudo-random number generator to produce the best sequence of pseudo-random numbers, perform the following steps:

  1. Use an std::random_device to produce random numbers to be used as seeding values:
        std::random_device rd;
  1. Generate random data for all internal bits of the engine:
        std::array<int,...
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