diff --git a/.github/workflows/doctest.yml b/.github/workflows/doctest.yml
new file mode 100644
index 0000000..02084cc
--- /dev/null
+++ b/.github/workflows/doctest.yml
@@ -0,0 +1,30 @@
+name: doc tests
+
+on:
+  pull_request:
+
+jobs:
+  test:
+    name: Python ${{ matrix.python-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip"
+
+      - name: Install dependencies
+        run: |
+          pip install --upgrade pip
+          pip install torch --index-url https://download.pytorch.org/whl/cpu
+          pip install -e ".[dev]"
+
+      - name: Run doctests
+        run: pytest --doctest-modules codegen.py type_checker.py utils/ -v --tb=short
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..5c23983
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,30 @@
+name: unit tests
+
+on:
+  pull_request:
+
+jobs:
+  test:
+    name: Python ${{ matrix.python-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip"
+
+      - name: Install dependencies
+        run: |
+          pip install --upgrade pip
+          pip install torch --index-url https://download.pytorch.org/whl/cpu
+          pip install -e ".[dev]"
+
+      - name: Run pytest
+        run: pytest tests/ -v --tb=short
diff --git a/physika.egg-info/PKG-INFO b/physika.egg-info/PKG-INFO
new file mode 100644
index 0000000..81566db
--- /dev/null
+++ b/physika.egg-info/PKG-INFO
@@ -0,0 +1,19 @@
+Metadata-Version: 2.4
+Name: physika
+Version: 0.1.0
+Home-page: https://github.com/deepforestsci/physika
+License: MIT
+Project-URL: Source, https://github.com/deepforestsci/physika
+Requires-Python: >=3.9
+License-File: LICENSE
+Requires-Dist: torch
+Requires-Dist: ply
+Provides-Extra: dev
+Requires-Dist: pytest>=7; extra == "dev"
+Dynamic: home-page
+Dynamic: license
+Dynamic: license-file
+Dynamic: project-url
+Dynamic: provides-extra
+Dynamic: requires-dist
+Dynamic: requires-python
diff --git a/physika.egg-info/SOURCES.txt b/physika.egg-info/SOURCES.txt
new file mode 100644
index 0000000..3f2030c
--- /dev/null
+++ b/physika.egg-info/SOURCES.txt
@@ -0,0 +1,46 @@
+LICENSE
+README.md
+pyproject.toml
+setup.py
+examples/ast/example_arrays.py
+examples/ast/example_matrices.py
+examples/ast/example_tensors.py
+examples/ast/factorial.py
+examples/ast/fft.py
+examples/ast/for.py
+examples/ast/harmonic_oscillator.py
+examples/ast/hnn.py
+examples/ast/networks.py
+examples/ast/pendulum_rk4.py
+examples/ast/spring_pendulum_rk4.py
+examples/ast/train_fully_connected.py
+examples/torch_code/example_arrays.py
+examples/torch_code/example_matrices.py
+examples/torch_code/example_tensors.py
+examples/torch_code/factorial.py
+examples/torch_code/fft.py
+examples/torch_code/for.py
+examples/torch_code/harmonic_oscillator.py
+examples/torch_code/hnn.py
+examples/torch_code/networks.py
+examples/torch_code/pendulum_rk4.py
+examples/torch_code/spring_pendulum_rk4.py
+examples/torch_code/train_fully_connected.py
+physika.egg-info/PKG-INFO
+physika.egg-info/SOURCES.txt
+physika.egg-info/dependency_links.txt
+physika.egg-info/entry_points.txt
+physika.egg-info/requires.txt
+physika.egg-info/top_level.txt
+tests/conftest.py
+tests/test_codegen.py
+tests/test_execute.py
+tests/test_lexer.py
+tests/test_physika.py
+tests/test_typechecker.py
+tests/test_utils/test_ast_utils.py
+utils/__init__.py
+utils/ast_utils.py
+utils/parser_utils.py
+utils/print_utils.py
+utils/type_checker_utils.py
\ No newline at end of file
diff --git a/physika.egg-info/dependency_links.txt b/physika.egg-info/dependency_links.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/physika.egg-info/dependency_links.txt
@@ -0,0 +1 @@
+
diff --git a/physika.egg-info/entry_points.txt b/physika.egg-info/entry_points.txt
new file mode 100644
index 0000000..65255f8
--- /dev/null
+++ b/physika.egg-info/entry_points.txt
@@ -0,0 +1,2 @@
+[console_scripts]
+physika = physika.execute:main
diff --git a/physika.egg-info/requires.txt b/physika.egg-info/requires.txt
new file mode 100644
index 0000000..f455d27
--- /dev/null
+++ b/physika.egg-info/requires.txt
@@ -0,0 +1,5 @@
+torch
+ply
+
+[dev]
+pytest>=7
diff --git a/physika.egg-info/top_level.txt b/physika.egg-info/top_level.txt
new file mode 100644
index 0000000..9487075
--- /dev/null
+++ b/physika.egg-info/top_level.txt
@@ -0,0 +1 @@
+utils
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..9787c3b
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..15f83b0
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,3 @@
+[pytest]
+testpaths = tests
+addopts = --tb=short
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..a54c927
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,24 @@
+from setuptools import setup, find_packages
+
+setup(name="physika",
+    version="0.1.0",
+    url="https://github.com/deepforestsci/physika",
+    license='MIT',
+    python_requires=">=3.9",
+    install_requires=[
+        "torch",
+        "ply",
+    ],
+    packages=find_packages(),
+    project_urls={
+          'Source': 'https://github.com/deepforestsci/physika',
+      },
+    entry_points={
+        "console_scripts": [
+            "physika=physika.execute:main",
+        ],
+    },
+    extras_require={
+        "dev": ["pytest>=7"],
+    },
+)