Rico's Nerd Cluster

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C++ - Functions, Lambda

Lambda, Functors

Functor A functor is an object that acts like a function, using the overloaded operator(). 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 struct greaters{ greaters(){} operator()(int a, int b){retur...

Posted by Rico's Nerd Cluster on February 13, 2023

C++ - Templates

Non-Type Template Parameters, requires, concept

typename Is Required By “Dependent Names” Dependent names are names that are dependent on the type of a template parameter. To instantiate instances of them, or to simply use them as types, one ne...

Posted by Rico's Nerd Cluster on February 10, 2023

C++ - Static Functions And Keyword

Static Functions And Keyword

As a very high level summary, the keyword static has two uses: File scope static variables and functions can be only accessed within the current translation unit (i.e., the cpp source file) C...

Posted by Rico's Nerd Cluster on February 6, 2023

C++ - Enum

Static Functions And Keyword

Enum Class Enum class is a type safe way to initialize enums 1 2 3 4 enum class MPS_Status: uint8_t{ SENSOR_UNINITIALIZED = 0x00, SENSOR_STARTUP = 0x27 };

Posted by Rico's Nerd Cluster on February 3, 2023

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

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

C++14 Features Lambda Capture C++ 17 Features SIMD and Vectorization in std::for_each std::optional to indicate whether a variable has trustable value std::reduce to aggregates (or “r...

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

C++ - Linkage

In C++, Linkage is Either External Or Internal

Linkage In C and C++, linkage determines the accessibility of functions & variables defined in one source file in other different translation units (i.e., different source files). There are t...

Posted by Rico's Nerd Cluster on January 30, 2023

C++ - Container Operations

Vector, Map, Algorithms

Vector Common Operations Append vector2 to the end of vector1 1 vector1.insert(vector1.end(), vector2.begin(), vector2.end()); Map TODO Algorithms Nth Element nth_element(first, nth, l...

Posted by Rico's Nerd Cluster on January 28, 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

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