basic functionallity for is odd/even

example.py

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+from fabelous_math import is_even, is_odd
+
+print(is_even(5))

pyproject.toml

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+[build-system]
+requires = ["setuptools>=42", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "fabelous_math"
+version = "0.0.1"
+description = "Math functions written in C++ for faster code"
+authors = [
+    {name = "Falko Habel", email = "falko.habel@fabelous.app"}
+]
+requires-python = ">=3.7"

setup.py

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+from setuptools import setup, Extension
+import platform
+
+extra_compile_args = []
+extra_link_args = []
+
+# Set C++17 flag based on the compiler
+if platform.system() == "Windows":
+    extra_compile_args.append('/std:c++17')
+else:
+    extra_compile_args.append('-std=c++17')
+
+module = Extension(
+    'fabelous_math.simple_functions',
+    sources=[
+        'src/fabelous_math/cpp/functions/simple_functions.cpp',
+        'src/fabelous_math/cpp/functions/bindings.cpp'
+    ],
+    include_dirs=['src/fabelous_math/include'],
+    extra_compile_args=extra_compile_args,
+    extra_link_args=extra_link_args,
+)
+
+setup(
+    name='fabelous_math',
+    description='Math functions written in C++ for faster code',
+    ext_modules=[module],
+    author="Falko Habel",
+    author_email="falko.habel@fabelous.app"
+)

src/fabelous_math/__init__.py

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+from fabelous_math.simple_functions import is_even, is_odd
+
+__all__ = ["is_even", "is_odd"]

src/fabelous_math/cpp/functions/bindings.cpp

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+#include <Python.h>
+#include "simple_functions.hpp"
+
+static PyObject* is_even_wrapper(PyObject* self, PyObject* args) {
+    long long number;
+    if (!PyArg_ParseTuple(args, "L", &number)) {
+        return NULL;
+    }
+    return PyBool_FromLong(simple_functions::is_even(number));
+}
+
+static PyObject* is_odd_wrapper(PyObject* self, PyObject* args) {
+    long long number;
+    if (!PyArg_ParseTuple(args, "L", &number)) {
+        return NULL;
+    }
+    return PyBool_FromLong(simple_functions::is_odd(number));
+}
+
+static PyMethodDef NumberUtilsMethods[] = {
+    {"is_even", is_even_wrapper, METH_VARARGS, "Check if a number is even"},
+    {"is_odd", is_odd_wrapper, METH_VARARGS, "Check if a number is odd"},
+    {NULL, NULL, 0, NULL}
+};
+
+static struct PyModuleDef number_utils_module = {
+    PyModuleDef_HEAD_INIT,
+    "simple_functions",
+    "Module for checking if numbers are even or odd",
+    -1,
+    NumberUtilsMethods
+};
+
+PyMODINIT_FUNC PyInit_simple_functions(void) {
+    return PyModule_Create(&number_utils_module);
+}

src/fabelous_math/cpp/functions/simple_functions.cpp

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+#include "simple_functions.hpp"
+
+namespace simple_functions {
+    bool is_even(long long number) {
+        return (number & 1) == 0;
+    }
+
+    bool is_odd(long long number) {
+        return (number & 1) == 1;
+    }
+}

src/fabelous_math/include/simple_functions.hpp

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+#pragma once
+
+namespace simple_functions {
+    bool is_even(long long number);
+    bool is_odd(long long number);
+}