Questions tagged [c++]

Software related to the C++ programming language, including development environments, editors, compilers, analyzers, and libraries.

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Library for convex and decreasing regression in cpp (preferrably based on spline)

I need a method to fit a convex and decreasing curve on a set of points (the points may not be monotonic) in cpp. I found a existing method which is based on quadratic splines being fit over points ...
Sourav Bansal's user avatar
1 vote
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C++ library that include std::vector, std::array and std::span functionality but with different size types and with capacity versions

It's pretty common I run into need to wrap C apis that only take 32bit integer, or 32bit unsigned arrays (or even smaller). But passing either std::span or std::vector into these APIs causes my ...
Krupip's user avatar
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Are there any tools that can be used to compute condition branch complexity?

I have tried lizard and codalyze, but both can't perfectly meet my needs. For example bool foo(int n) { if (n > 10) { if (n % 2 == 0) { return true; } else { ...
sophistcxf's user avatar
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Online C++ Compilers

Are there any online services that allow generating an executable file (.exe) from C++ code? Additionally, it is important for me that this service has an API. I need to send a request to an API with ...
N3N2N1's user avatar
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Windows App SDK The Right Framework For Porting a Project?

We have our own C++ rendering engine at work. I use either UWP or Win32 exclusively for windowing and then build the entire UI and functionality using the engine. There's a new project which requires ...
pma07pg's user avatar
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Seeking a Library or API for Oscilloscope Data Measurement with Python, C, or C++ Integration

I'm developing a simple oscilloscope using Python and Qt6. For now I have completed the visual part (sine waves etc) and I was wondering if there is a library or API available for measuring ...
arost's user avatar
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Header only C++ library for arbitrary precision fixed-point maths

I am searching for a C++ library for arbitrary precision fixed-point arithmetic. It should be header-only and ideally have dynamic precision (so changeable precision at runtime). I searched the web ...
Paul Aner's user avatar
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Free C++ library implementing hierarchical clustering or alike

Which can cluster small number of points by the given maximum distance between them. Two dimensions only.
noname7619's user avatar
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Is there an open source C++ library to read powerpoint files? Will reading .pdfs be easier than reading .pptx files?

I am currently undertaking a project in C++ that requires me to read pptx files. I am wondering if there are some open-source C++ libraries which will allow me to read pptx files. The only one I could ...
Brownian_Motion's user avatar
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Cplusplus Compiler For MATLAB

I am writing a MAT-File code in order to be used in commercial software. When I am running the code in the software, the software gives me an error. It says you should install Ming-w64 C++ Compiler. ...
Alireza Rostami's user avatar
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Eigen-like algebra library with Tensor & Autodiff support

So far, I have used Eigen in my C++ projects. However, I'm developing a new project where I need Tensors and Autodiff. Although Eigen has Tensor and Audodiff modules, they are not supported (they are ...
Duloren's user avatar
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C++ persistence library

I need a persistence c++ library with the following attributes: Cross platform (Android/macOS/Windows) Read/Write in a given folder in an atomic way Nice to have: encryption Serialization is not ...
yonutix's user avatar
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Translate a C++ graphical program to Web?

I have a collection of little educational games that I wrote some 15 to 20 years ago, dual-targeted for Mac and Windows. They are written in C++, and use native 2D graphics on each operating system. I ...
Joymaker's user avatar
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Does anyone know an arbitrary precision LA library for c++?

Does anyone know any more C++ linear algebra libraries with arbitrary precision, preferably using GMP? I have a program using GMP that needs to use singular value decomposition at one point. Currently,...
Martin Clever's user avatar
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Looking for an open-source terminal emulator written in modern C++

I often have to temporarily break my Python installation on Ubuntu in order to automate the configuration of cmake builds. Not a difficult break to fix, because I just replace the symlink in /usr/bin. ...
ardentMirage's user avatar
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C++ code summary tool

I'm looking for a tool which will take as input a C++ source file, and output (in plain text, HTML, PNG, PDF, whatever format) a summary containing at least a list of the functions defined in the ...
rwallace's user avatar
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1 answer
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C++ performance analysis

I have a program that I optimized for better performance by using multi-threading via C++ execution policies. That way it now uses ~80% of the CPU, which is much better than the 10% before. However, I ...
Thomas Weller's user avatar
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I am looking for an image viewer library similar to OpenSeaDragon but compatible for C++

I am working on a windows MFC application, and I would like to rewrite the image viewer using something similar to OpenSeaDragon to utilize it's tile fetching/caching capabilities. I have something ...
Jiahao Zhao's user avatar
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C++ Which library to use when I need to create separate log file for each thread

I want to write logs into separate files - one log file for each thread. Which C++ library has support for this? I tried PLOG but it needs static int instanceid as its template parameter while ...
rsp's user avatar
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1 answer
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Low level cross-platofrm C game API

I would like to code games, but the issue is, I only get the algorithms down. I have a hard time creating the user interfaces. I have used Metal for Mac, but this is non-portable. I have considered ...
user16217248's user avatar
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C++ library to read encrypted PDF documents that runs on iOS and Android

I am using Flutter and a plugin to read the encrypted pages which depend on Apache PDFBox, a Java library, but they are slow in rendering the all pages for phones with less RAM; one way is to decrypt ...
Ayush Yadav's user avatar
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1 answer
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C++ library providing generic shared-resource locking wrapper

I have a pool of threads that asynchronously acquire and execute tasks in a queue. Some of these tasks operate over some shared resources. I would like to: Provide a contract that separates shared ...
Alexander Guyer's user avatar
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Live Note detection C++

Am trying to create a project using rock pi that will be able to a handle microphone input and then find specific note that person is singing during a live demonstration. Searched online to see what c+...
Meiseg 's user avatar
1 vote
1 answer
545 views

C/C++ header-only library to read and write image files?

I am looking for a header-only C++ library that allows me to read images in various (common) file formats. My usage will be conceptually no more complicated than this self-explaining pseudocode: // ...
shuhalo's user avatar
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Is there a Machine learning tool (like Weka, Orange) that will be able to export models and implement them in C/C++ code for edge computing?

I'm looking for Machine learning/AI tool, that would allow to work with data, train and compare various models and then have a possibility to deploy those models on embedded systems in C/C++ ...
Rob's user avatar
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Is there any file-based caching library for C++?

I am looking for something similar to Diskcache My requirement is for it to store pure json data... I want a library to be able to store json response data from a webrequest (Basically just json data)
Advik's user avatar
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Measure FPS of an arbitrary window

I would like to measure the refresh rate of an arbitrary window. I am not sure, if there is a generic way to do this, but on the other hand, some FPS measuring tools exist: XBox Game Bar, however, ...
RcCookie's user avatar
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TLV library in C++

I'm looking for a C++ library implementing TLV (https://en.wikipedia.org/wiki/Type-length-value). The goal is to serialize the table as below: {1:"Apple",2:42,3:true} {4:"Orange",5:...
Amit Vujic's user avatar
1 vote
0 answers
12 views

Allocation lifespan tracking tool for C++ programs

Suppose you're working on a C++ program which allocates multiple large buffers at different points in time. Suppose also this allocation doesn't necessary happen by kernel sbrk-like calls, but also ...
einpoklum's user avatar
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1 vote
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Library to embed ActionScript into C++

I've never worked with action script or knew of its existence before so please bear with me. I have some ActionScript3 code which does some incredibly complicated maths to generate some models. I ...
checkbord spy's user avatar
3 votes
2 answers
3k views

LIghtweight C++ IDE with simple UI tool, based on GCC, no dependencies such as .NET or other DLLs

Wen I started programming with C++ about 20 years ago Visual Studio was a really great tool to create GUI based C++ applications. As a student I had access to professional version which is still ...
convert's user avatar
2 votes
1 answer
50 views

Need to find the simplest way to implement a neural network

I am currently doing research in high energy physics and would like to implement a neural network to determine the best "kinematic cuts" to apply to particles before using those particles ...
mangoman's user avatar
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0 answers
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Library for buffers <-> files operations in C++

Is there a commonly-used C++ library for the task of reading and writing entire buffers/contiguous containers from files? I mean, reading/writing raw binary data, nor formatted output. Desired ...
einpoklum's user avatar
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1 vote
1 answer
411 views

Looking for an open-source C++ library which can fit a multivariate polynomial function to points in 3D space

I have been unsuccessfully looking for a C++ library that can approximate a polynomial function f(x,y) = z given a bunch of known points (x,y,z) in 3D space. This is trivial to do using the fit ...
Mike123's user avatar
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0 answers
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Tool for suggesting C++ precompiled headers

I am working on 5 legacy C++ code bases with ~1M lines of code each. Build times are about 30 minutes per project. The projects are already configured to use precompiled headers, but the pch.h file is ...
Thomas Weller's user avatar
4 votes
2 answers
84 views

Open Source IDE for C/C++ on Ubuntu with native dark theme

I am using Pycharm community edition for my Python development, looking for something like this for C/C++. The basic requirements are native support for dark theme like Dracula etc. free and open ...
Della's user avatar
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1 vote
0 answers
22 views

A C++ JSON library which accepts inputs with comments and multiline strings

I'm developing a program written in C++ for editing Minecraft datapacks. These datapacks can contain JSON files. Minecraft can parse JSON files with comments and strings spanning multiple lines. For ...
IoeCmcomc's user avatar
3 votes
1 answer
40 views

Library to do 2D image manipulation

I'm looking for a 2D image manipulation library for C++, ideally something modern which uses C++20. Requirements: works on Windows 10 (support for Windows filenames, mainly) works with Visual Studio ...
Thomas Weller's user avatar
0 votes
1 answer
24 views

Linear equation solver under WSL-2

I need to solve a linear equation Ax = b with A a pentadiagonal matrix (lots of 0) whose dimension is very big (until n = 1000 billion). I'm currently using the UMFPACK package from Suitesparse in C (...
Albert Schrödinberg's user avatar
1 vote
1 answer
43 views

Is there any C/C++ library for decimals that are small (<= 16 bytes) and statically allocated?

What i need is a C++ library (preferably C++, C will do as well) that implements any sort of decimal number - be they floating-point or not. My requirements in terms of precision are rather humble - ...
biripa's user avatar
  • 11
1 vote
1 answer
22 views

looking for c++ library/tool for making a window and manipulating individual pixels through coordinates

I am trying to find a c++ library/tool that will let me make a window and change pixel colors (preferably just from black to white), using coordinates, I have been looking, but ended up just going in ...
setanta's user avatar
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1 vote
0 answers
112 views

Wanted: A C++ REST library for integration with JIRA

I'm seeking recommendations for C++ REST libraries to be able to create a set of tools that connects to JIRA. Perhaps there's even a library especially created for JIRA integrations? Wishlist: Good ...
Ted Lyngmo's user avatar
1 vote
0 answers
10 views

low-level UI library that allows custom text selection mechanics

I need a GUI or TUI library for linux, that can be used from C, C++ or Python. The library shouldn't give me a repertoir of widgets, but instead allow me to build my own from scratch. I need a ...
Halid Beslic's user avatar
0 votes
1 answer
300 views

What library/fitting algorithm for C++ do I need to fit an 1D function to experimental data?

I am programming a physics simulation (Ising model, if it matters) and I need to fit an 1D decaying exponential function to a set of data and have an estimation of the parameters of the function but ...
Astrovillarxhs's user avatar
0 votes
2 answers
563 views

C or C++ library for putting pixel on the screen

For a fullfledge GUI I can use Qt or GTK. If I want OpenGL or Vulkan, GLFW will do. What is the most appropriate choice if all I want to do is Open a window Read image dimensions from stdin Read ...
user877329's user avatar
1 vote
0 answers
24 views

Seeking a lightweight C/C++ stats library that will do time series analysis and forecasting (ARIMA, etc)

Working here in an embedded Linux scenario. I'm wondering if someone could identify or point me to a C/C++ statistical library that does time series analysis (including ARMA and ARIMA, decomposition, ...
DaveFer's user avatar
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1 vote
1 answer
797 views

Need a recommendation on a C++ library for file encryption

What would be a recommended library to use for file encryption in C++? I am looking for a standard up-to-date data encryption. The file-encryption will be based on a password. Searching the web I came ...
PazO's user avatar
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0 votes
1 answer
64 views

What is an example of a modern build and CD pipeline for C++?

Software Engineering common practices change over time. What is an example (Linux-based) stack of a modern build & release pipeline for C++ with continuous integration and delivery. As of 2022, ...
Sohail Si's user avatar
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1 vote
0 answers
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C++ 3D library to render GCode Files (Simple list of lines)

I'm looking for a simple 3D Library to render GCode Files into a C++/Qt5.15.2 software project running on Windows. A GCode file contains the instructions for a 3D-Printer to print a 3D Model (where to ...
ElevenJune's user avatar
1 vote
1 answer
17 views

Simple "quick & dirty" stats for C++ containers/ranges

I'm looking for a small header-only library which takes a C++ container (or range, or iterator pair) with numbers, and gives you some basic stats about it: average, variation, kurtosis, standard ...
einpoklum's user avatar
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