All Questions
406 questions
14
votes
5
answers
2k
views
I implemented FFT in C
I wrote Cooley-Tukey's FFT algorithm in C. And I want to know how safe is this code? Is it just trash? How can I make it more memory safe?
...
- 181
9
votes
2
answers
855
views
My shared_ptr implementation
I would like to ask for a code review of my shared_ptr<T> implementation for design, code style. Any nitpicks will extremely useful for me. The features ...
- 639
10
votes
6
answers
2k
views
k-Nearest Neighbors algorithm in C
I've been learning C for a while, and I decided to make a simple kNN program. What can I do to improve the program?
Am I doing memory management right? Can the structure of the code be improved in ...
- 313
4
votes
1
answer
124
views
Maze game from book Design Patterns with smart pointers and polymorphism
The Design Patterns book chapter 3 about Creational Patterns starts with a maze game. They use the maze as an example throughout the chapter and instead of rooms they have also things like enchanted ...
- 165
3
votes
1
answer
120
views
Leveraging EBCO (Empty Base Class Optimization )in a Simplified Smart‐Pointer with Custom Deleters
I’ve been experimenting with a minimal unique_ptr–style class to see Empty Base Class Optimization(EBCO) in action when the deleter is empty:
...
- 379
7
votes
3
answers
1k
views
C++ implementation of Go inspired cancellable context
I am trying to create golang inspired cancellable context in C++ for use in worker threads and other tasks. I have tried to avoid using raw pointers, but ever since I started writing C++ code, I ...
- 83
4
votes
1
answer
145
views
Compute index in a ring buffer
I have a buffer implemented as a fixed-size std::vector with two begin and end pointers ...
- 41
14
votes
2
answers
580
views
Custom implementation of `std::unique_ptr<T>`
I skimmed through the documentation on cppreference.com and put down the basic functionalities expected out of a unique_ptr<T> implementation. I coded up a ...
- 639
6
votes
2
answers
785
views
polymorphic message container [closed]
Any comments/suggestions on this design? I just want to hold onto an ordered collection of messages. Each message can be one of several types.
I'm using some code analogous to this currently in a ...
- 303
5
votes
3
answers
410
views
Implementation of arrays that store their size
In this code I implemented arrays that store their own size before the first element. To access it you need to go back exactly sizeof(size_t) bytes back. To free it,...
- 157
3
votes
2
answers
170
views
Todo List app using C
I just learned to deal with pointers and memory allocation stuff. Using that, I built a todo list app, and it works as far as I tested it.
I didn't account for many user errors, so any suggestion to ...
5
votes
3
answers
907
views
Safe(r) / Easier Pointer Allocation Interface in C (ISO C11)
I spent like half an hour programming up a set of functions to make the allocation / deallocate of pointers easier within a bigger project. I felt that they were satisfactory, but was wondering if ...
- 75
1
vote
1
answer
274
views
A unique_ptr-like class, for spans instead of raw pointers
Introduction / Motivation
I like the CADRe (a.k.a. RAII) resource management idiom in C++. And I like std::span's; or perhaps I should say, I dislike the use of ...
- 2,099
3
votes
1
answer
107
views
Compare and merge sets from unstructured variables for automatic differentiation
I have developed an automatic differentiation module for my software. Usually AD comes in two forms; forward mode or reverse mode and very clever approaches, beyond me, might mix both. Typically the ...
- 633
4
votes
1
answer
187
views
Trie implementation using std::shared_ptr
I've implemented a basic Trie that is supposed to work only with lowercase English letters.
...
- 143