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# mode: run
# tag: cpp, werror, no-cpp-locals
from cython.operator cimport dereference as d
from cython.operator cimport preincrement as incr
from libcpp.vector cimport vector
from libcpp cimport bool as cbool
def simple_test(double x):
"""
>>> simple_test(55)
3
"""
v = new vector[double]()
try:
v.push_back(1.0)
v.push_back(x)
from math import pi
v.push_back(pi)
return v.size()
finally:
del v
def list_test(L):
"""
>>> list_test([1,2,4,8])
(4, 4)
>>> list_test([])
(0, 0)
>>> list_test([-1] * 1000)
(1000, 1000)
"""
v = new vector[int]()
try:
for a in L:
v.push_back(a)
return len(L), v.size()
finally:
del v
def index_test(L):
"""
>>> index_test([1,2,4,8])
(1.0, 8.0)
>>> index_test([1.25])
(1.25, 1.25)
"""
v = new vector[double]()
try:
for a in L:
v.push_back(a)
return v[0][0], v[0][len(L)-1]
finally:
del v
def index_set_test(L):
"""
>>> index_set_test([1,2,4,8])
(-1.0, -8.0)
>>> index_set_test([1.25])
(-1.25, -1.25)
"""
v = new vector[double]()
try:
for a in L:
v.push_back(a)
for i in range(v.size()):
d(v)[i] = -d(v)[i]
return d(v)[0], d(v)[v.size()-1]
finally:
del v
def iteration_test(L):
"""
>>> iteration_test([1,2,4,8])
1
2
4
8
"""
v = new vector[int]()
try:
for a in L:
v.push_back(a)
it = v.begin()
while it != v.end():
a = d(it)
incr(it)
print(a)
finally:
del v
def reverse_iteration_test(L):
"""
>>> reverse_iteration_test([1,2,4,8])
8
4
2
1
"""
v = new vector[int]()
try:
for a in L:
v.push_back(a)
it = v.rbegin()
while it != v.rend():
a = d(it)
incr(it)
print(a)
finally:
del v
def nogil_test(L):
"""
>>> nogil_test([1,2,3])
3
"""
cdef int a
with nogil:
v = new vector[int]()
try:
for a in L:
with nogil:
v.push_back(a)
return v.size()
finally:
del v
def item_ptr_test(L, int i, int x):
"""
>>> item_ptr_test(range(10), 7, 100)
[0, 1, 2, 3, 4, 5, 6, 100, 8, 9]
"""
cdef vector[int] v = L
cdef int* vi_ptr = &v[i]
vi_ptr[0] = x
return v
def test_value_type(x):
"""
>>> test_value_type(2)
2.0
>>> test_value_type(2.5)
2.5
"""
cdef vector[double].value_type val = x
return val
def test_value_type_complex(x):
"""
>>> test_value_type_complex(2)
(2+0j)
"""
cdef vector[double complex].value_type val = x
return val
def test_bool_vector_convert(o):
"""
>>> test_bool_vector_convert([True, False, None, 3])
[True, False, False, True]
"""
cdef vector[cbool] v = o
return v
def test_bool_vector_get_set():
"""
>>> test_bool_vector_get_set()
"""
cdef vector[cbool] v = range(5)
# Test access.
assert not v[0], v
assert v[1], v
assert not v.at(0), v
assert v.at(1), v
v[0] = True
v[1] = False
assert <object>v == [True, False, True, True, True]
ctypedef vector[cbool] vector_bool
ctypedef vector[int] vector_int
def test_typedef_vector(L):
"""
>>> test_typedef_vector([0, 1, True])
([0, 1, 1, 0, 1, 1], 0, [False, True, True, False, True, True], False)
"""
cdef vector_int vi = L
cdef vector_int vi2 = vi
vi.insert(vi.begin(), vi2.begin(), vi2.end())
cdef vector_bool vb = L
cdef vector_bool vb2 = vb
vb.insert(vb.begin(), vb2.begin(), vb2.end())
return vi, vi.at(0), vb, vb.at(0)
def test_insert():
"""
>>> test_insert()
"""
cdef vector[int] v
cdef vector[int].size_type count = 5
cdef int value = 0
v.insert(v.end(), count, value)
assert v.size() == count
for element in v:
assert element == value, '%s != %s' % (element, count)
# Tests GitHub issue #1788.
cdef cppclass MyVector[T](vector):
pass
cdef cppclass Ints(MyVector[int]):
pass
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