Add fast path for float.

serhiy-storchaka · Jul 9, 2024 · ab9dc17 · ab9dc17
1 parent 88bdd20
commit ab9dc17
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/Lib/fractions.py b/Lib/fractions.py
@@ -243,8 +243,9 @@ def __new__(cls, numerator=0, denominator=None):
                 self._denominator = numerator.denominator
                 return self
 
-            elif (isinstance(numerator, numbers.Number) and
-                  hasattr(numerator, 'as_integer_ratio')):
+            elif (isinstance(numerator, float) or
+                  (isinstance(numerator, numbers.Number) and
+                   hasattr(numerator, 'as_integer_ratio'))):
                 # Exact conversion
                 self._numerator, self._denominator = numerator.as_integer_ratio()
                 return self