From 15d86a36d8c274e484db746638909bbdee89646d Mon Sep 17 00:00:00 2001
From: Divya Thanasekaran <divya@psbuild-rhel7-02.slac.stanford.edu>
Date: Mon, 13 Feb 2023 14:22:28 -0800
Subject: [PATCH] test commit, function for sign

---
 project_name/feature_sign.py    |  2 ++
 project_name/tests/test_sign.py | 23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 project_name/feature_sign.py
 create mode 100644 project_name/tests/test_sign.py

diff --git a/project_name/feature_sign.py b/project_name/feature_sign.py
new file mode 100644
index 0000000..06d4fdd
--- /dev/null
+++ b/project_name/feature_sign.py
@@ -0,0 +1,2 @@
+def sign_func(value: float) -> float:
+    return -1 if value < 0 else 1
diff --git a/project_name/tests/test_sign.py b/project_name/tests/test_sign.py
new file mode 100644
index 0000000..6fc37e4
--- /dev/null
+++ b/project_name/tests/test_sign.py
@@ -0,0 +1,23 @@
+import pytest
+import numpy as np
+
+from ..feature_sign import sign_func
+
+
+def test_simple_sign_func():
+    assert sign_func(-100000.346) == -1
+
+
+@pytest.mark.parametrize(
+    "value, expected",
+    [
+        (0, 1),
+        (10000.0, 1),
+        (-345236.78, -1)
+    ]
+)
+
+def test_sign_func(value: float, expected: float):
+    sign_val = sign_func(value)
+    expected = np.sign(value)
+    assert expected==sign_val