Questions tagged [boost]
Boost is a large collection of high-quality libraries intended for use in C++. Boost is free, and is often considered a "second standard library".
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questions
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Connect to telnet server
I've just started to learn C++.
I have this class and I don't know where to put the following two lines because of the catch:
delete[] chost;
delete[] cport;
I ...
1
vote
0answers
56 views
A recursive_transform template function for the binary operation cases with execution policy in C++
This is a follow-up question for A recursive_transform template function for the binary operation cases in C++, A recursive_transform Template Function with Unwrap Level for Various Type Arbitrary ...
0
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1answer
38 views
extents_to_array and array_to_extents functions for Boost.MultiArray in C++
This is a follow-up question for A get_extents helper function for Boost.MultiArray in C++. In order to retrieve, manipulate and calculate size information in each dimension from Boost.MultiArray in ...
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0answers
33 views
Boost.MultiArray Based Two Dimensional Array to Markdown Table Converter Implementation in C++
I am attempting to implement a converter which can convert two dimensional array (using Boost.MultiArray library) into markdown table.
The experimental implementation
...
0
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1answer
23 views
Simple runtime profiler for executable files
I'm sure there are several profilers written in C++ on here already, though with this one the goals are quite different. I attempted to make it as robust as possible, or 'fool-proof' if you will so ...
1
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1answer
83 views
Network Library based on boost::asio
I'm currently trying to develop an easy to use tcp networking library based on boost::asio.
This is my first attempt to work with boost asio and therefore I've got some questions:
1.) Firstly, is my ...
0
votes
0answers
71 views
Various Type Test Cases for recursive_transform Template Function in C++
This is a follow-up question for Nested std::deque and std::vector Type Test Cases for recursive_transform Template Function in C++, A recursive_transform Template Function Implementation with ...
3
votes
2answers
120 views
Nested std::deque and std::vector Type Test Cases for recursive_transform Template Function in C++
This is a follow-up question for A recursive_transform Template Function Implementation with std::invocable concept in C++, A recursive_transform Template Function ...
5
votes
1answer
136 views
A Various Container Type Arbitrary Nested Iterable Generator Function Implementation in C++
This is a follow-up question for std::array and std::vector Type Arbitrary Nested Iterable Generator Functions Implementation in C++ and std::deque and std::list Type Arbitrary Nested Iterable ...
6
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1answer
124 views
Non-nested std::deque and std::list Generator Function for arithmetic_mean Function Testing in C++
This is a follow-up question for A non-nested test_vectors_generator Function for arithmetic_mean Function Testing in C++ and An arithmetic_mean Function For Various Type Arbitrary Nested Iterable ...
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vote
0answers
48 views
A non-nested test_vectors_generator Function for arithmetic_mean Function Testing in C++
This is a follow-up question for An arithmetic_mean Function For Various Type Arbitrary Nested Iterable Implementation in C++. As Toby Speight's answer mentioned, some self-checking unit tests are ...
1
vote
1answer
66 views
A get_extents helper function for Boost.MultiArray in C++
This is a follow-up question for A filled_multi_array Template Function for Boost.MultiArray in C++. Based on G. Sliepen's answer, there is another get_extents ...
3
votes
1answer
60 views
A filled_multi_array Template Function for Boost.MultiArray in C++
This is a follow-up question for A ones Function for Boost.MultiArray in C++. Thanks to G. Sliepen's answer, the mentioned method which can set various initial value is better in generic purpose usage....
2
votes
1answer
73 views
A ones Function for Boost.MultiArray in C++
This is a follow-up question for An Element-wise Increment and Decrement Operator For Boost.MultiArray in C++ and A recursive_transform Template Function for BoostMultiArray. I am trying to implement ...
1
vote
1answer
65 views
An Element-wise Increment and Decrement Operator For Boost.MultiArray in C++
This is a follow-up question for A recursive_transform Template Function for BoostMultiArray and An Add/Minus Operator For Boost.MultiArray in C++. Besides the add / minus operator for Boost....
2
votes
1answer
73 views
A recursive_transform Template Function for BoostMultiArray
This is a follow-up question for A Sine Template Function For Boost.MultiArray in C++, A recursive_transform for std::array with various return type, A recursive_transform for std::vector with various ...
2
votes
1answer
53 views
A Sine Template Function For Boost.MultiArray in C++
This is a follow-up question for An element_wise_add Function For Boost.MultiArray in C++. Besides the basic add operation applying onto each element, I am trying to implement a sine template function ...
1
vote
0answers
74 views
An element_wise_multiplication and an element_wise_division Function For Boost.MultiArray in C++
This is a follow-up question for An element_wise_add Function For Boost.MultiArray in C++ and An Add/Minus Operator For Boost.MultiArray in C++. Besides the basic element-wise add / minus operations, ...
4
votes
0answers
82 views
An Add/Minus Operator For Boost.MultiArray in C++
This is a follow-up question for An element_wise_add Function For Boost.MultiArray in C++. The following code is the improved version based on G. Sliepen's answer. On the other hand, the built-in ...
3
votes
1answer
81 views
An element_wise_add Function For Boost.MultiArray in C++
This is a follow-up question for A Summation Function For Boost.MultiArray in C++. Besides the summation operation of all elements, I am trying to focus on the element-wise operation here. The main ...
4
votes
1answer
157 views
A Summation Function For Boost.MultiArray in C++
This is a follow-up question for
A Summation Function For Arbitrary Nested Vector Implementation In C++ and A Summation Function For Various Type Arbitrary Nested Iterable Implementation in C++. I am ...
4
votes
1answer
157 views
Boost.Asio Server and RAII
I am trying to implement a network server application in C++ using Boost.Asio.
Here are the requirements I am trying to meet:
The Application creates only one instance of ...
2
votes
1answer
400 views
Async tcp socket client: send multiple requests with one connection
I'm new to socket programming and c++. I have a the following method that sends an array to server and receives sum of the array, I tried to make it async.
...
3
votes
0answers
47 views
Yet another reflection library
Tried to do my own implementation of reflection(introspection) for using in my next projects.
Is it optimized at compile time? If no, how can I improve it?
This macro is good interface for adapting ...
6
votes
1answer
290 views
Using Boost.Spirit to transform expression to AST
Is there a better way to transform some expression to AST using Boost.Spirit?
I have built it, but I think it's messy and can be simplified a lot.
Code is also available on Godbolt.
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1
vote
1answer
58 views
Implementing boost::upgrade_mutex using only standard locks
Is this my_upgrade_mutex class a valid implementation of boost::upgrade_mutex semantics? (Ignoring the ...
2
votes
0answers
23 views
Using Boost's Runge-Kutta integration capability in a templated mathematical model
This is my first time using Boost and templates in general, so I'm mostly looking for a style critique on my C++. In particular, I'd like feedback on:
state_type, ...
2
votes
1answer
1k views
C++ Sorting Filenames In A Directory
I wanted to have some advice about the code I have.
I managed to get what I wanted done, but I do not think it is the "proper" way of doing it in the programmers' world.
Could you help me improve ...
2
votes
1answer
94 views
“Structure of arrays” wrapper
I was looking into SOA to better utilize SIMD instructions. I implemented a generic wrapper object that lets you chose the amount of individual vectors each structure consists of. I am using xsimd and ...
5
votes
2answers
316 views
A Matrix Library in C++;
I have written a Matrix library that contains all the main properties of matrices.
It's a relatively long project, I am hoping it is ok to post here since I really want to have it reviewed.
The ...
1
vote
0answers
380 views
Implementing boost::asio's async_read_some
I need to implement async_read_some from Boost Asio. The reason is here https://stackoverflow.com/questions/59223064/implementing-behaviour-of-boostasio-for-a-class but I don't think it's relevant. ...
3
votes
0answers
60 views
Fibonacci and Lucas sequence generator using Boost and GMP
I implemented this console application that generates Fibonacci and Lucas sequence numbers using boost and GMP for multiprecision.
There is an iterator-like class which can do any sequence based on ...
2
votes
0answers
43 views
program options from command line initialize [v3 - after CR]
After my previous code review, I'm sharing my new code, and asking for better ways (which always exist) to improve the code, even with new libraries. The only thing that important to me, is the way of ...
6
votes
1answer
102 views
program options from command line initialize [v2 - after CR]
After getting a CR from @pacmaninbw and @ALX23z here, I want to share my new code, and to ask for better ways (which always exist) to improve the code, even with new libraries. The only thing that ...
3
votes
2answers
344 views
program options from command line initialize
I'd like to receive a CR for the following command-line program options' initializing using boost::program_options. I'd like to know if there is a better way of ...
3
votes
1answer
301 views
Producer consumer with threads and using boost ring buffer
I have two threads, one is the producer and other is consumer. My consumer is always late (due to some costly function call, simulated in below code using sleeps) so I have used ring buffer as I can ...
7
votes
1answer
279 views
Parallel Ramanujan's formula for 1/π calculation
I finished my university project for calculating \$1/\pi\$ and I would love to get some feedback.
Before you guys jump into this code please keep in mind newcomer to C++ just decided to use it for ...
3
votes
1answer
99 views
A matrix-vector multiply parallelized using boost::MPI
This program performs a matrix-vector multiply using MPI to split the computation up. It is not extremely robust (for example, it doesn't handle the case where the number of MPI processes does not ...
5
votes
1answer
960 views
C++ observer pattern via boost.signals2
I was looking for a thread safe implementation of the observer pattern. I read https://xinhuang.github.io/posts/2015-02-11-how-a-multi-threaded-implementation-of-the-observer-pattern-can-fail.html and ...
3
votes
1answer
134 views
Using boost::mpi to take the Euclidean norm of a vector
I am learning MPI (via boost::mpi) and wrote this program that takes the euclidean norm of a 1-D vector (represented as an array here.) I want to make sure that I ...
3
votes
0answers
244 views
Calculate huge Fibonacci Numbers in C++ using GMP and boost::multiprecision
Problem Statement
Calculate the exact value of the n-th Fibonacci number, say the one-billionth.
Algorithm
The algorithm is based on the idea that Fibonacci numbers can be represented as 2x2 ...
4
votes
1answer
265 views
Automatic Differentiation with C++ Header-Only Library
Code review/feedback is requested and appreciated for the following open-source automatic differentiation C++ header-only library released under the Boost License. I am the author.
https://github.com/...
1
vote
1answer
559 views
C++ game server
I'm writing a server for an MMO game using boost::asio. I would like to know, are there any design or other issues in my code? And what should I improve in it? Thanks in advance.
BaseServer.h:
...
0
votes
1answer
250 views
Use of a single member struct as an attribute with boost::spirit::karma generators
Original Problem
The original problem is parsing/generation of the transport header of the RTSP protocol, see RFC 2326 12.39 Transport, Page 60. The transport header is defined of multiple transport ...
3
votes
2answers
1k views
Run an asynchronous child process with timeout
In the following code, I implement a class that starts a process and returns its return code, stdout and stderr. It also has a ...
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votes
1answer
122 views
How to use a predicate to create or filter vector [closed]
I have function which returns a vector or strings (values from an sqlite3 table).
For each of those strings I need to generate a Qt Checkbox, if it does not exist yet.
My first version looks like ...
13
votes
5answers
4k views
Processing XYZ data from a large file
I'm new to programming (1.5 years experience at university), and I'm working on my first computer vision related project! My goal is to take a file which might have CSV (comma separated) or txt format ...
2
votes
0answers
69 views
Determining if a regex can be found in a string
I've written my first C++ multithreaded application (as far as I can recall) which determines if a regex can be found in a string.
This code works correct to the best of my knowledge.
Could you gals/...
3
votes
0answers
89 views
C++ Trie implementation with Python wrapper
I'm just starting to use C++ so beginner feedback is fine here.
CPP code
(main.cpp, node.h, node.cpp, trie.h, trie.cpp, utils.h)
main.cpp
...
0
votes
1answer
154 views
Traverse directory and store data
During one of assignment, I need to directory and store into proper data structure. I did following way and create to store as tree with multiple child and child will have linked list. Any ...
