Why is scipy.optimize.curve_fit dependent on python version?
I found curve_fit produces different results on two different linux machines.So, I did my due diligence with google search but found nothing relevant.After a few experiments, I finally got the same...
View ArticleWhich types on a 64-bit computer are naturally atomic in gnu C and gnu C++?...
NB: For this question, I'm not talking about the C or C++language standards. Rather, I'm talking about gcc compiler implementations for a particular architecture, as the only guarantees for atomicity...
View ArticleError while building binaries for freeglut in Eclipse C++ (using MinGW):...
I'm attempting to create binaries for the freeglut library (version 3.2.2). The IDE I'm using is Eclipse for C/C++ version 2022-03 (4.23.0), and using MinGW (not MinGW-w64), on Windows 10.I'm a bit new...
View ArticleVariable declaration as side-effect
So I'm looking over C++ operator rules as I do when my programs start behaving wonkily. And I come across the comma operator. Now, I have known it was there for a while but never used it, so I began...
View ArticleDereferencing type-punned pointer will break strict-aliasing rules while...
I try to convert C Code from Standard 11 to 14. I work with gcc 7.5.0 in Ubuntu 20.04. I have the following lines of codejson.h:extern const struct _json_value json_value_none;typedef struct...
View Articleerror: ‘NULL’ was not declared in this scope
I get this message when compiling C++ on gcc 4.3error: ‘NULL’ was not declared in this scopeIt appears and disappears and I don't know why. Why?Thanks.
View ArticleHow can the assembly be the same if one program leaks and the other doesn't?...
I do apologize in advance if I am missing something glaringly obvious.I have two versions of the same program. One intentionally leaks and one does not:#include <iostream>int main() { int* y =...
View Articleshow current (implicit) deduction guides
I have the following error message from this question, class template deducation guide for struct-based parameters.<source>:44:8: error: template parameters not deducible in partial...
View ArticleWhy is GCC with __attribute__((__ms_abi__)) returning values differently than...
x86 Function Attributes in the GCC documentation says this:On 32-bit and 64-bit x86 targets, you can use an ABI attribute to indicate which calling convention should be used for a function. The ms_abi...
View ArticleError during make gcc: "cp: Permission denied"
What I didIn my initially empty build directory, I configure gcc with/home/anthony/Documents/gcc-pi/gcc/configure --prefix=/opt/gcc --enable-multilib --disable-shared --enable-static...
View ArticleUndefined reference SFML c++ [duplicate]
I started using the command line and the g++ compiler a few days ago, and now i want to use SFML with the compile.SFML version : GCC 7.3.0 MinGW (SEH) - 64-biti also tried with GCC 7.3.0 MinGW (DW2) -...
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GCC error while installing annoy in docker with python:3.8-alpine as base image
I'm trying to install a pip package called Annoy inside my docker image. But while installing I'm getting the below error. Does anyone has any idea what's this error and how to resolve it?My Docker...
View ArticleUsing cython and gcc compiler [duplicate]
I'm having issues trying to get cython working with the gcc compiler. I want to use the gcc compiler because I've heard it's harder to get your code from the executable using pyinstaller.I'm on 64-bit...
View ArticleIntelliSense stuck in updating
After the latest c/c++ extension update (v1.10.5) for vs code, I'm having problems with Intellisense highlighting my c code. It does not highlight syntax/give suggestions most of the time. Also there's...
View ArticleIs scipy.optimize.curve_fit machine dependent?
I came to realize the curve_fit produces different results in two different linux machines.machine 1: Python 3.9.9 (main, Jun 2 2022, 15:27:06) [GCC 9.4.0]machine 2: Python 3.9.9 (main, Dec 16 2021,...
View ArticleCtypes SError: [WinError 193] %1 is not a valid Win32 application [duplicate]
I have this C codeint add(int a,int b){ return a+b;}and I am trying to use it in pythonimport ctypeslibrary = ctypes.CDLL(r'C:\Users\sanad\Downloads\c,c++\test.dll')add = library.add()add.argtypes =...
View ArticleError "undefined reference to 'std::cout'"
Shall this be the example:#include <iostream>using namespace std;int main(){ cout << "Hola, moondo.\n";}It throws the error:gcc -c main.cpp gcc -o edit main.o main.o: In function...
View ArticleHow can I speed up compile times when developing a Clang-based tool?
I'm developing a Clang-based tool(i.e., a ClangTool),but the time to recompile a source file is longer than I would like.Specifically, for the small example program below, it takes about 7seconds to...
View ArticleHow (if possible) to generate a C/C++ AST with offsets of the variables and...
I want to generate an AST that lists the offset of each element of a program so that I can "track" it when its running.I've looked into using gcc --fdump-tree-switch-options=address but this had been...
View Article/usr/lib/gcc/x86_64-unknown-linux-gnu/11.3.0/../../../../x86_64-unknown-linux...
I'm new to C++ and i'm try to learn to create my window so i watched a YouTube tutorial. And i followed what he did and i'm getting this errors.here's my code.#include "include/GLFW/glfw3.h"#include...
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