From 68bd808284a79b63b63db7a7bdddd40a5070e5d0 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <raymond.hettinger@gmail.com>
Date: Mon, 20 Mar 2023 23:52:41 -0500
Subject: [PATCH] The pow() variant further improves accuracy

---
 Doc/library/itertools.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 2427a8d85f841c..78f64ea67e2542 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -876,7 +876,7 @@ which incur interpreter overhead.
        n = len(coefficients)
        if n == 0:
            return x * 0  # coerce zero to the type of x
-       powers = accumulate(repeat(x, n - 1), operator.mul, initial=1)
+       powers = map(pow, repeat(x), range(n))
        return math.sumprod(reversed(coefficients), powers)
 
    def polynomial_from_roots(roots):