From 814e2dee066a3e6b250e96904c7b12d79f6f9276 Mon Sep 17 00:00:00 2001
From: Yaya-Cout <67095734+Yaya-Cout@users.noreply.github.com>
Date: Wed, 2 Feb 2022 22:18:04 +0100
Subject: [PATCH] [python] Enable math.factorial (#141)

---
 python/port/genhdr/qstrdefs.in.h | 1 +
 python/port/mpconfigport.h       | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/python/port/genhdr/qstrdefs.in.h b/python/port/genhdr/qstrdefs.in.h
index 322b23c0c..53c2f0b85 100644
--- a/python/port/genhdr/qstrdefs.in.h
+++ b/python/port/genhdr/qstrdefs.in.h
@@ -181,6 +181,7 @@ Q(exp)
 Q(expm1)
 Q(extend)
 Q(fabs)
+Q(factorial)
 Q(filter)
 Q(find)
 Q(float)
diff --git a/python/port/mpconfigport.h b/python/port/mpconfigport.h
index 38e98145a..9175793b2 100644
--- a/python/port/mpconfigport.h
+++ b/python/port/mpconfigport.h
@@ -82,6 +82,12 @@
 // Whether to provide special math functions: math.{erf,erfc,gamma,lgamma}
 #define MICROPY_PY_MATH_SPECIAL_FUNCTIONS (1)
 
+// Whether to provide math.factorial function
+#define MICROPY_PY_MATH_FACTORIAL (1)
+
+// Whether math.factorial is large, fast and recursive (1) or small and slow (0).
+#define MICROPY_OPT_MATH_FACTORIAL (0)
+
 // Whether to provide "cmath" module
 #define MICROPY_PY_CMATH (1)