1 files changed, 11 insertions, 0 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 8f14114057..cd2f2acdf5 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -407,6 +407,12 @@
 #define MICROPY_OPT_MPZ_BITWISE (0)
 #endif
 
+
+// Whether math.factorial is large, fast and recursive (1) or small and slow (0).
+#ifndef MICROPY_OPT_MATH_FACTORIAL
+#define MICROPY_OPT_MATH_FACTORIAL (0)
+#endif
+
 /*****************************************************************************/
 /* Python internal features                                                  */
 
@@ -988,6 +994,11 @@ typedef double mp_float_t;
 #define MICROPY_PY_MATH_SPECIAL_FUNCTIONS (0)
 #endif
 
+// Whether to provide math.factorial function
+#ifndef MICROPY_PY_MATH_FACTORIAL
+#define MICROPY_PY_MATH_FACTORIAL (0)
+#endif
+
 // Whether to provide "cmath" module
 #ifndef MICROPY_PY_CMATH
 #define MICROPY_PY_CMATH (0)