From af7f4d0b8ff803963f05291a3828d9dd57841ec5 Mon Sep 17 00:00:00 2001
From: guanjihuan <guanjihuan@163.com>
Date: Fri, 28 Feb 2025 03:44:59 +0800
Subject: [PATCH] 0.1.156

---
 PyPI/setup.cfg                   |  2 +-
 PyPI/src/guan.egg-info/PKG-INFO  |  2 +-
 PyPI/src/guan/data_processing.py | 17 +++++++++++++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/PyPI/setup.cfg b/PyPI/setup.cfg
index db1094b..d3d1908 100644
--- a/PyPI/setup.cfg
+++ b/PyPI/setup.cfg
@@ -1,7 +1,7 @@
 [metadata]
 # replace with your username:
 name = guan
-version = 0.1.155
+version = 0.1.156
 author = guanjihuan
 author_email = guanjihuan@163.com
 description = An open source python package
diff --git a/PyPI/src/guan.egg-info/PKG-INFO b/PyPI/src/guan.egg-info/PKG-INFO
index 0a284f2..d38e417 100644
--- a/PyPI/src/guan.egg-info/PKG-INFO
+++ b/PyPI/src/guan.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 2.2
 Name: guan
-Version: 0.1.155
+Version: 0.1.156
 Summary: An open source python package
 Home-page: https://py.guanjihuan.com
 Author: guanjihuan
diff --git a/PyPI/src/guan/data_processing.py b/PyPI/src/guan/data_processing.py
index 774719e..cbfe026 100644
--- a/PyPI/src/guan/data_processing.py
+++ b/PyPI/src/guan/data_processing.py
@@ -96,6 +96,23 @@ def dimension_of_array(array):
         dim = array.shape[0]
     return dim
 
+# 获取旋转矩阵（输入为角度）
+def get_rotation_matrix(angle_deg):
+    import numpy as np
+    angle_rad = np.radians(angle_deg)
+    matrix = np.array([
+        [np.cos(angle_rad), -np.sin(angle_rad)],
+        [np.sin(angle_rad),  np.cos(angle_rad)]
+        ])
+    return matrix
+
+# 旋转某个点，返回新的点的坐标
+def rotate_point(x, y, angle_deg):
+    import numpy as np
+    rotation_matrix = get_rotation_matrix(angle_deg)
+    x, y = np.dot(rotation_matrix, np.array([x, y]))
+    return x, y
+
 # CPU性能测试（十亿次循环的浮点加法运算的时间，约30秒左右）
 def cpu_test_with_addition(print_show=1):
     import time