From 231aad38493c871dd32930a21d256cbacd2ae20c Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Mon, 17 Jun 2019 16:57:27 +0300
Subject: bpo-37315: Deprecate accepting floats in math.factorial(). (GH-14147)

---
 Doc/library/math.rst | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Doc/library/math.rst')

diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index ff937d27c6..bfce41a7f4 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -71,6 +71,9 @@ Number-theoretic and representation functions
    Return *x* factorial as an integer.  Raises :exc:`ValueError` if *x* is not integral or
    is negative.
 
+   .. deprecated:: 3.9
+      Accepting floats with integral values (like ``5.0``) is deprecated.
+
 
 .. function:: floor(x)
 
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