Rico's Nerd Cluster

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Common Robotics CPP Software Packages

TBB

TBB TBB (Intel Threading Building Blocks) is a parallel-programming library that abstracts out details for managing threads, synchronization, or load balancing explicitly. Key features include: ...

Posted by Rico's Nerd Cluster on February 1, 2023

C++ - Constness

constexpr, if constexpr, consteval

constexpr constexpr in C++ allows expressions to be evaluated at compile time rather than runtime. This feature helps optimize programs by computing constant values during compilation and enables ...

Posted by Rico's Nerd Cluster on February 1, 2023

C++ - Cpp14, 17, 20 Features

Lambda Capture

Introduction What is C++? My definition is that C++ is a set of progressive standards. So far, there are C++98/03 (small modification), C++ 11 (Major Release), C++ 14, C++17, C++20, C++23. Each st...

Posted by Rico's Nerd Cluster on February 1, 2023

C++ [Container 3] Container Adaptors

std::queue, std::stack, std::priority_queue

std::queue, std::stack, std::priority_queue are NOT sequence containers, instead, they are wrappers around std::deque, and std::vector to provide a restricted interface. (FIFO for queue, LIFO for s...

Posted by Rico's Nerd Cluster on January 29, 2023

C++ - [Container 2] Sequence Containers

std::iota, std::generate, std::vector, std::array, std::list, std::deque, std::forward_list

Introduction Sequence containers in C++ include: vector, array, list, forward_list, deque. The common operations I look are are: Initialization Push front, push back Sequential Access, ran...

Posted by Rico's Nerd Cluster on January 29, 2023

C++ - [Container 1] Associative Container

std::set, std::unordered_set, std::map, std::unordered_map, std::multiset, std::unordered_multiset, std::unordered_multimap

Introduction Associative containers in C++ are containers that allows fast retrieval of elements based on keys, rather than positions. Construction: std::set, and std::map also have sorting us...

Posted by Rico's Nerd Cluster on January 28, 2023

C++ - Pointers

Raw Pointers, Array, Casting

Raw Pointers 🚀 Basics new and delete: If you use new, you must use delete — otherwise, memory leak! see code. new[]:size must be provided as part of the signature. ...

Posted by Rico's Nerd Cluster on January 26, 2023

C++ - BLAS and LAPACK

Scientific Computing Libraries

Article: BLAS (“Basic Linear Algebra Subalgorithms”) BLAS is a set of specifications of linear algebra operations such as vector addition, scalar multiplication, dot products, etc. It’s categorize...

Posted by Rico's Nerd Cluster on January 26, 2023

C++ - Casting

Ever tried convincing your boss that your need for vacation is a 'const' by using const_cast? Welcome to C++ casting!

Introduction TODO - coming soon ;) Const Casting ❗ const_cast is needed sometimes to form a pointer/reference to a const object to interface with legacy code. Modifying the char* might lead to u...

Posted by Rico's Nerd Cluster on January 23, 2023

C++ - Numeric

NaN

std::numeric NaN: (C++11) std::numeric_limits<float>::quiet_NaN(): propagates through arithmetic operations without triggering floating-point exceptions. 1 2 3 4 5 6 7 8 9 10 11 12 flo...

Posted by Rico's Nerd Cluster on January 20, 2023

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