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# tag: cpp
cimport cython
from libcpp.vector cimport vector
from libcpp.map cimport map
from libcpp.typeinfo cimport type_info
from cython.operator cimport typeid
def test_cpp_specialization(cython.floating element):
"""
>>> import cython
>>> test_cpp_specialization[cython.float](10.0)
vector[float] * float 10.0
>>> test_cpp_specialization[cython.double](10.0)
vector[double] * double 10.0
"""
cdef vector[cython.floating] *v = new vector[cython.floating]()
v.push_back(element)
print cython.typeof(v), cython.typeof(element), v.at(0)
cdef fused C:
int
object
cdef const type_info* tidint = &typeid(int)
def typeid_call(C x):
"""
For GH issue 3203
>>> typeid_call(1)
True
"""
cdef const type_info* a = &typeid(C)
return a[0] == tidint[0]
cimport cython
def typeid_call2(cython.integral x):
"""
For GH issue 3203
>>> typeid_call2[int](1)
True
"""
cdef const type_info* a = &typeid(cython.integral)
return a[0] == tidint[0]
cdef fused_ref(cython.integral& x):
return x*2
def test_fused_ref(int x):
"""
>>> test_fused_ref(5)
(10, 10)
"""
return fused_ref(x), fused_ref[int](x)
ctypedef fused nested_fused:
vector[cython.integral]
cdef vec_of_fused(nested_fused v):
x = v[0]
return cython.typeof(x)
def test_nested_fused():
"""
>>> test_nested_fused()
int
long
"""
cdef vector[int] vi = [0,1]
cdef vector[long] vl = [0,1]
print vec_of_fused(vi)
print vec_of_fused(vl)
ctypedef fused nested_fused2:
map[cython.integral, cython.floating]
cdef map_of_fused(nested_fused2 m):
for pair in m:
return cython.typeof(pair.first), cython.typeof(pair.second)
def test_nested_fused2():
"""
>>> test_nested_fused2()
('int', 'float')
('long', 'double')
"""
cdef map[int, float] mif = { 0: 0.0 }
cdef map[long, double] mld = { 0: 0.0 }
print map_of_fused(mif)
print map_of_fused(mld)
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