Merge branch 'u/chapoton/30764' in 9.3.b4

sagemath · Dec 15, 2020 · 8dc65e7 · 8dc65e7
2 parents c4a802d + c614f96
commit 8dc65e7
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/sage/symbolic/function.pyx b/src/sage/symbolic/function.pyx
@@ -1111,7 +1111,8 @@ cdef class BuiltinFunction(Function):
                 import mpmath as module
                 custom = self._eval_mpmath_
             elif all(isinstance(arg, float) for arg in args):
-                import math as module
+                if self._name != 'factorial':  # delegated to gamma
+                    import math as module
             elif all(isinstance(arg, complex) for arg in args):
                 import cmath as module
 
@@ -1123,7 +1124,7 @@ cdef class BuiltinFunction(Function):
                 if callable(func):
                     try:
                         return func(*args)
-                    except (ValueError,TypeError):
+                    except (ValueError, TypeError):
                         pass
 
             if custom is not None: