Special handling for base -1, 0, 1 for big exp

tests/snippets/math_basics.py

@@ -39,9 +39,14 @@ assert_raises(
     lambda: round(-float('inf')),
     'OverflowError: cannot convert float NaN to integer')
 
+assert pow(0, 0) == 1
 assert pow(2, 2) == 4
 assert pow(1, 2.0) == 1.0
 assert pow(2.0, 1) == 2.0
+assert pow(0, 10**1000) == 0
+assert pow(1, 10**1000) == 1
+assert pow(-1, 10**1000+1) == -1
+assert pow(-1, 10**1000) == 1
 
 assert pow(2, 4, 5) == 1
 assert_raises(