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# mode: run
# tag: optimisation
cimport cython
class loud_list(list):
def __len__(self):
print "calling __len__"
return super(loud_list, self).__len__()
# min()
@cython.test_assert_path_exists("//CondExprNode")
@cython.test_fail_if_path_exists("//SimpleCallNode")
def min3(a,b,c):
"""
>>> min3(1,2,3)
1
>>> min3(2,3,1)
1
>>> min3(2,1,3)
1
>>> min3(3,1,2)
1
>>> min3(3,2,1)
1
"""
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):
"""
>>> min3_typed(1,2,3)
1
>>> min3_typed(2,3,1)
1
>>> min3_typed(2,1,3)
1
>>> min3_typed(3,1,2)
1
>>> min3_typed(3,2,1)
1
"""
return min(a,b,c)
@cython.test_assert_path_exists("//CondExprNode")
@cython.test_fail_if_path_exists("//SimpleCallNode")
def literal_min3():
"""
>>> literal_min3()
(1, 1, 1, 1, 1)
"""
return min(1,2,3), min(2,1,3), min(2,3,1), min(3,1,2), min(3,2,1)
@cython.test_assert_path_exists(
'//PrintStatNode//CondExprNode')
@cython.test_fail_if_path_exists(
'//PrintStatNode//SimpleCallNode//CoerceToPyTypeNode',
'//PrintStatNode//SimpleCallNode//ConstNode')
def test_min2():
"""
>>> test_min2()
1
1
1
1
1
calling __len__
1
calling __len__
1
"""
cdef int my_int = 1
cdef object my_pyint = 2
cdef object my_list = loud_list([1,2,3])
print min(1, 2)
print min(2, my_int)
print min(my_int, 2)
print min(my_int, my_pyint)
print min(my_pyint, my_int)
print min(my_int, len(my_list))
print min(len(my_list), my_int)
@cython.test_assert_path_exists(
'//PrintStatNode//CondExprNode')
@cython.test_fail_if_path_exists(
'//PrintStatNode//SimpleCallNode//CoerceToPyTypeNode',
'//PrintStatNode//SimpleCallNode//ConstNode')
def test_min3():
"""
>>> test_min3()
calling __len__
1
calling __len__
calling __len__
2
"""
cdef int my_int = 1
cdef object my_pyint = 2
cdef object my_list = loud_list([1,2,3])
print min(my_int, my_pyint, len(my_list))
print min(my_pyint, my_list.__len__(), len(my_list))
@cython.test_assert_path_exists(
'//PrintStatNode//CondExprNode')
@cython.test_fail_if_path_exists(
'//PrintStatNode//SimpleCallNode//CoerceToPyTypeNode',
'//PrintStatNode//SimpleCallNode//ConstNode')
def test_minN():
"""
>>> test_minN()
calling __len__
0
calling __len__
0
calling __len__
0
"""
cdef int my_int = 1
cdef object my_pyint = 2
cdef object my_list = loud_list([1,2,3])
print min(my_int, 2, my_int, 0, my_pyint, my_int, len(my_list))
print min(my_int, my_int, 0, my_pyint, my_int, len(my_list))
print min(my_int, my_int, 2, my_int, 0, my_pyint, my_int, len(my_list))
# max()
@cython.test_assert_path_exists("//CondExprNode")
@cython.test_fail_if_path_exists("//SimpleCallNode")
def max3(a,b,c):
"""
>>> max3(1,2,3)
3
>>> max3(2,3,1)
3
>>> max3(2,1,3)
3
>>> max3(3,1,2)
3
>>> max3(3,2,1)
3
"""
return max(a,b,c)
@cython.test_assert_path_exists("//CondExprNode")
@cython.test_fail_if_path_exists("//SimpleCallNode")
def max3_typed(int a, int b, int c):
"""
>>> max3_typed(1,2,3)
3
>>> max3_typed(2,3,1)
3
>>> max3_typed(2,1,3)
3
>>> max3_typed(3,1,2)
3
>>> max3_typed(3,2,1)
3
"""
return max(a,b,c)
@cython.test_assert_path_exists("//CondExprNode")
@cython.test_fail_if_path_exists("//SimpleCallNode")
def literal_max3():
"""
>>> literal_max3()
(3, 3, 3, 3, 3)
"""
return max(1,2,3), max(2,1,3), max(2,3,1), max(3,1,2), max(3,2,1)
def max1(x):
"""
>>> max1([1, 2, 3])
3
>>> max1([2])
2
"""
return max(x)
@cython.test_assert_path_exists(
'//PrintStatNode//CondExprNode')
@cython.test_fail_if_path_exists(
'//PrintStatNode//SimpleCallNode//CoerceToPyTypeNode',
'//PrintStatNode//SimpleCallNode//ConstNode')
def test_max2():
"""
>>> test_max2()
2
2
2
2
2
calling __len__
3
calling __len__
3
"""
cdef int my_int = 1
cdef object my_pyint = 2
cdef object my_list = loud_list([1,2,3])
print max(1, 2)
print max(2, my_int)
print max(my_int, 2)
print max(my_int, my_pyint)
print max(my_pyint, my_int)
print max(my_int, len(my_list))
print max(len(my_list), my_int)
@cython.test_assert_path_exists(
'//PrintStatNode//CondExprNode')
@cython.test_fail_if_path_exists(
'//PrintStatNode//SimpleCallNode//CoerceToPyTypeNode',
'//PrintStatNode//SimpleCallNode//ConstNode')
def test_max3():
"""
>>> test_max3()
calling __len__
3
calling __len__
calling __len__
3
"""
cdef int my_int = 1
cdef object my_pyint = 2
cdef object my_list = loud_list([1,2,3])
print max(my_int, my_pyint, len(my_list))
print max(my_pyint, my_list.__len__(), len(my_list))
@cython.test_assert_path_exists(
'//PrintStatNode//CondExprNode')
@cython.test_fail_if_path_exists(
'//PrintStatNode//SimpleCallNode//CoerceToPyTypeNode',
'//PrintStatNode//SimpleCallNode//ConstNode')
def test_maxN():
"""
>>> test_maxN()
calling __len__
3
calling __len__
3
calling __len__
3
"""
cdef int my_int = 1
cdef object my_pyint = 2
cdef object my_list = loud_list([1,2,3])
print max(my_int, 2, my_int, 0, my_pyint, my_int, len(my_list))
print max(my_int, my_int, 0, my_pyint, my_int, len(my_list))
print max(my_int, my_int, 2, my_int, 0, my_pyint, my_int, len(my_list))
'''
# ticket 772
# FIXME: signed vs. unsigned fails to safely handle intermediate results
@cython.test_assert_path_exists("//CondExprNode")
@cython.test_fail_if_path_exists("//SimpleCallNode")
def max3_typed_signed_unsigned(int a, unsigned int b, int c):
"""
>>> max3_typed_signed_unsigned(1,2,-3)
2
>>> max3_typed_signed_unsigned(-2,3,1)
3
>>> max3_typed_signed_unsigned(-2,1,-3)
1
>>> max3_typed_signed_unsigned(3,-1,2)
3
>>> max3_typed_signed_unsigned(-3,2,1)
2
"""
return max(a,b,c)
'''
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