From 79a292bb9ba6cc0a5de77c84e961f87194f17fcb Mon Sep 17 00:00:00 2001
From: Nathan Goldbaum <nathan.goldbaum@gmail.com>
Date: Fri, 7 Apr 2023 13:04:11 -0600
Subject: DEP: deprecate np.math and np.lib.math

---
 numpy/lib/__init__.py | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'numpy/lib')

diff --git a/numpy/lib/__init__.py b/numpy/lib/__init__.py
index 58166d4b1..d3cc9fee4 100644
--- a/numpy/lib/__init__.py
+++ b/numpy/lib/__init__.py
@@ -11,7 +11,6 @@ Most contains basic functions that are used by several submodules and are
 useful to have in the main name-space.
 
 """
-import math
 
 from numpy.version import version as __version__
 
@@ -58,7 +57,7 @@ from .arraypad import *
 from ._version import *
 from numpy.core._multiarray_umath import tracemalloc_domain
 
-__all__ = ['emath', 'math', 'tracemalloc_domain', 'Arrayterator']
+__all__ = ['emath', 'tracemalloc_domain', 'Arrayterator']
 __all__ += type_check.__all__
 __all__ += index_tricks.__all__
 __all__ += function_base.__all__
@@ -77,3 +76,19 @@ __all__ += histograms.__all__
 from numpy._pytesttester import PytestTester
 test = PytestTester(__name__)
 del PytestTester
+
+def __getattr__(attr):
+    # Warn for reprecated attributes
+    import math
+    import warnings
+
+    if attr == 'math':
+        warnings.warn(
+            "`np.lib.math` is a deprecated alias for the standard library "
+            "`math` module (Deprecated Numpy 1.25). Replace usages of "
+            "`numpy.lib.math` with `math`", DeprecationWarning, stacklevel=2)
+        return math
+    else:
+        raise AttributeError("module {!r} has no attribute "
+                             "{!r}".format(__name__, attr))
+        
-- 
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