C Implementation of the iota Function (Increasing Sequence)
The “iota” function is not a part of the standard C library. However, it’s available in the C++ Standard Library, specifically in the <numeric> header file, where it generates …
Category: c / c++
C Function of Fisher-Yates Implementation (Random Shuffling Algorithm)
The following is a random shuffling function in C. This uses the Fisher-Yates algorithm, which guarantees an unbiased shuffle. #include <stdlib.h> #include <time.h> void shuffle(int *array, size_t n) { …
Python Numpy Memory Leaks Due to PYTHONMALLOC (C Python and Address Sanitizer)
A simple C/C++ calling Python script to import numpy package will simply be reported Leaking Memory: include <Python.h> int main() { Py_Initialize(); PyRun_SimpleString("import numpy"); Py_Finalize(); return 0; } This …
The C Function to Iterate Over a PyList (PyObject) and Print Each Item (Python C API: PyObject_GetIter)
We can call Python code in C via the Python C API. And we want to be able to go over the items for a PyList that is type …
How to Map or Transform a Vector in C++ (Template Function)?
Given a vector, e.g. of integers, we want to apply a function to each element and transform to another vector/array. For example, we might want to return a new …