🐛 fix ε accuracy

tests/test_line3.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+"""
+Copyright (C) 2020-2024 LiteyukiStudio. All Rights Reserved 
+
+@Time    : 2024/8/26 上午7:54
+@Author  : snowykami
+@Email   : snowykami@outlook.com
+@File    : test_line3.py
+@Software: PyCharm
+"""
+import logging
+
+from mbcp.mp_math.point import Point3
+from mbcp.mp_math.vector import Vector3
+from mbcp.mp_math.line import Line3
+
+
+class TestLine3:
+
+    def test_point_and_normal_factory(self):
+        """
+        测试通过点和法向量构造直线
+        """
+        correct_ans = Line3(1, -2, 3, -8)
+
+        p = Point3(2, -3, 0)
+        n = Vector3(1, -2, 3)
+
+        actual_ans = Line3.from_point_and_direction(p, n)
+        logging.info(f"正确答案：{correct_ans}    实际答案：{actual_ans}")
+        assert actual_ans == correct_ans
+
+