Commit 1a4c6b5d authored by Stefan Behnel's avatar Stefan Behnel

optimise min/max([...]) with sequence literal argument

parent b5a2401a
......@@ -1554,6 +1554,9 @@ class EarlyReplaceBuiltinCalls(Visitor.EnvTransform):
"""Replace min(a,b,...) and max(a,b,...) by explicit comparison code.
"""
if len(args) <= 1:
if len(args) == 1 and args[0].is_sequence_constructor:
args = args[0].args
else:
# leave this to Python
return node
......
......@@ -20,6 +20,40 @@ def min3(a,b,c):
"""
return min(a,b,c)
@cython.test_assert_path_exists("//CondExprNode")
@cython.test_fail_if_path_exists("//SimpleCallNode")
def min3_list(a,b,c):
"""
>>> min3_list(1,2,3)
1
>>> min3_list(2,3,1)
1
>>> min3_list(2,1,3)
1
>>> min3_list(3,1,2)
1
>>> min3_list(3,2,1)
1
"""
return min([a,b,c])
@cython.test_assert_path_exists("//CondExprNode")
@cython.test_fail_if_path_exists("//SimpleCallNode")
def min3_tuple(a,b,c):
"""
>>> min3_tuple(1,2,3)
1
>>> min3_tuple(2,3,1)
1
>>> min3_tuple(2,1,3)
1
>>> min3_tuple(3,1,2)
1
>>> min3_tuple(3,2,1)
1
"""
return min((a,b,c))
@cython.test_assert_path_exists("//CondExprNode")
@cython.test_fail_if_path_exists("//SimpleCallNode")
def min3_typed(int a, int b, int c):
......
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