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|
import cython
from cython import cfunc, cclass, ccall
@cython.test_assert_path_exists('//CFuncDefNode')
@cython.cfunc
def ftang():
x = 0
@cython.test_assert_path_exists('//CFuncDefNode')
@cfunc
def fpure(a):
return a*2
def test():
"""
>>> test()
4
"""
ftang()
return fpure(2)
with cfunc:
@cython.test_assert_path_exists('//CFuncDefNode')
def fwith1(a):
return a*3
@cython.test_assert_path_exists('//CFuncDefNode')
def fwith2(a):
return a*4
@cython.test_assert_path_exists(
'//CFuncDefNode',
'//LambdaNode',
'//GeneratorDefNode',
'//GeneratorBodyDefNode',
)
def f_with_genexpr(a):
f = lambda x: x+1
return (f(x) for x in a)
with cclass:
@cython.test_assert_path_exists('//CClassDefNode')
class Egg(object):
pass
@cython.test_assert_path_exists('//CClassDefNode')
class BigEgg(object):
@cython.test_assert_path_exists('//CFuncDefNode')
@cython.cfunc
def f(self, a):
return a*10
def test_with():
"""
>>> test_with()
(3, 4, 50)
"""
return fwith1(1), fwith2(1), BigEgg().f(5)
@cython.test_assert_path_exists('//CClassDefNode')
@cython.cclass
class PureFoo(object):
a = cython.declare(cython.double)
def __init__(self, a):
self.a = a
def __call__(self):
return self.a
@cython.test_assert_path_exists('//CFuncDefNode')
@cython.cfunc
def puremeth(self, a):
return a*2
def test_method():
"""
>>> test_method()
4
True
"""
x = PureFoo(2)
print(x.puremeth(2))
if cython.compiled:
print(isinstance(x(), float))
else:
print(True)
return
@cython.ccall
def ccall_sqr(x):
return x*x
@cclass
class Overidable(object):
@ccall
def meth(self):
return 0
def test_ccall():
"""
>>> test_ccall()
25
>>> ccall_sqr(5)
25
"""
return ccall_sqr(5)
def test_ccall_method(x):
"""
>>> test_ccall_method(Overidable())
0
>>> Overidable().meth()
0
>>> class Foo(Overidable):
... def meth(self):
... return 1
>>> test_ccall_method(Foo())
1
>>> Foo().meth()
1
"""
return x.meth()
@cython.cfunc
@cython.returns(cython.p_int)
@cython.locals(xptr=cython.p_int)
def typed_return(xptr):
return xptr
def test_typed_return():
"""
>>> test_typed_return()
"""
x = cython.declare(int, 5)
assert typed_return(cython.address(x))[0] is x
def test_genexpr_in_cdef(l):
"""
>>> gen = test_genexpr_in_cdef([1, 2, 3])
>>> list(gen)
[2, 3, 4]
>>> list(gen)
[]
"""
return f_with_genexpr(l)
|
