From 8c74e60f548ba8217c7aab42884ed0db652556ce Mon Sep 17 00:00:00 2001
From: Falko Habel <falko.habel@gmx.de>
Date: Sun, 9 Feb 2025 21:53:03 +0100
Subject: [PATCH] basic functionallity for is odd/even

---
 example.py                                    |  3 ++
 pyproject.toml                                | 12 +++++++
 setup.py                                      | 30 ++++++++++++++++
 src/fabelous_math/__init__.py                 |  3 ++
 src/fabelous_math/__main__.py                 |  0
 src/fabelous_math/cpp/functions/bindings.cpp  | 36 +++++++++++++++++++
 .../cpp/functions/simple_functions.cpp        | 11 ++++++
 .../include/simple_functions.hpp              |  6 ++++
 8 files changed, 101 insertions(+)
 create mode 100644 example.py
 create mode 100644 pyproject.toml
 create mode 100644 setup.py
 create mode 100644 src/fabelous_math/__init__.py
 create mode 100644 src/fabelous_math/__main__.py
 create mode 100644 src/fabelous_math/cpp/functions/bindings.cpp
 create mode 100644 src/fabelous_math/cpp/functions/simple_functions.cpp
 create mode 100644 src/fabelous_math/include/simple_functions.hpp

diff --git a/example.py b/example.py
new file mode 100644
index 0000000..ee0f1ff
--- /dev/null
+++ b/example.py
@@ -0,0 +1,3 @@
+from fabelous_math import is_even, is_odd
+
+print(is_even(5))
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..91c3f0e
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,12 @@
+[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"
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..c59254f
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,30 @@
+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"
+)
\ No newline at end of file
diff --git a/src/fabelous_math/__init__.py b/src/fabelous_math/__init__.py
new file mode 100644
index 0000000..40c1e47
--- /dev/null
+++ b/src/fabelous_math/__init__.py
@@ -0,0 +1,3 @@
+from fabelous_math.simple_functions import is_even, is_odd
+
+__all__ = ["is_even", "is_odd"]
\ No newline at end of file
diff --git a/src/fabelous_math/__main__.py b/src/fabelous_math/__main__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/fabelous_math/cpp/functions/bindings.cpp b/src/fabelous_math/cpp/functions/bindings.cpp
new file mode 100644
index 0000000..aef16dc
--- /dev/null
+++ b/src/fabelous_math/cpp/functions/bindings.cpp
@@ -0,0 +1,36 @@
+#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);
+}
\ No newline at end of file
diff --git a/src/fabelous_math/cpp/functions/simple_functions.cpp b/src/fabelous_math/cpp/functions/simple_functions.cpp
new file mode 100644
index 0000000..6638dae
--- /dev/null
+++ b/src/fabelous_math/cpp/functions/simple_functions.cpp
@@ -0,0 +1,11 @@
+#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;
+    }
+}
\ No newline at end of file
diff --git a/src/fabelous_math/include/simple_functions.hpp b/src/fabelous_math/include/simple_functions.hpp
new file mode 100644
index 0000000..4678dd8
--- /dev/null
+++ b/src/fabelous_math/include/simple_functions.hpp
@@ -0,0 +1,6 @@
+#pragma once
+
+namespace simple_functions {
+    bool is_even(long long number);
+    bool is_odd(long long number);
+}
\ No newline at end of file