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# mode: run
# tag: warnings
import cython
def test_sizeof():
"""
>>> test_sizeof()
True
True
True
True
True
"""
x = cython.declare(cython.bint)
print sizeof(x) == sizeof(cython.bint)
print sizeof(cython.char) <= sizeof(cython.short) <= sizeof(cython.int) <= sizeof(cython.long) <= sizeof(cython.longlong)
print sizeof(cython.uint) == sizeof(cython.int)
print sizeof(cython.p_int) == sizeof(cython.p_double)
if cython.compiled:
print sizeof(cython.char) < sizeof(cython.longlong)
else:
print sizeof(cython.char) == 1
def test_declare(n):
"""
>>> test_declare(100)
(100, 100)
>>> test_declare(100.5)
(100, 100)
# CPython: "TypeError: an integer is required"
>>> test_declare(None) # doctest: +ELLIPSIS
Traceback (most recent call last):
...
TypeError: ...int...
"""
x = cython.declare(cython.int)
y = cython.declare(cython.int, n)
if cython.compiled:
cython.declare(xx=cython.int, yy=cython.long)
i = sizeof(xx)
ptr = cython.declare(cython.p_int, cython.address(y))
return y, ptr[0]
@cython.locals(x=cython.double, n=cython.int)
def test_cast(x):
"""
>>> test_cast(1.5)
1
>>> try: test_cast(None)
... except TypeError: pass
"""
n = cython.cast(cython.int, x)
return n
@cython.locals(as_list=list)
def test_cast_object(x, typecheck):
"""
>>> test_cast_object([1, 2, 3], True)
[1, 2, 3]
>>> test_cast_object([1, 2, 3], False)
[1, 2, 3]
>>> test_cast_object((1, 2, 3), True)
Traceback (most recent call last):
...
TypeError: Expected list, got tuple
>>> test_cast_object((1, 2, 3), False)
(1, 2, 3)
"""
if typecheck:
as_list = cython.cast(list, x, typecheck=True)
else:
as_list = cython.cast(list, x, typecheck=False)
return as_list
@cython.locals(x=cython.int, y=cython.p_int)
def test_address(x):
"""
>>> test_address(39)
39
"""
y = cython.address(x)
return y[0]
@cython.locals(x=cython.int)
@cython.locals(y=cython.bint)
def test_locals(x):
"""
>>> test_locals(5)
True
"""
y = x
return y
MyUnion = cython.union(n=cython.int, x=cython.double)
MyStruct = cython.struct(is_integral=cython.bint, data=MyUnion)
MyStruct2 = cython.typedef(MyStruct[2])
def test_struct(n, x):
"""
>>> test_struct(389, 1.64493)
(389, 1.64493)
"""
a = cython.declare(MyStruct2)
a[0] = MyStruct(True, data=MyUnion(n=n))
a[1] = MyStruct(is_integral=False, data={'x': x})
return a[0].data.n, a[1].data.x
import cython as cy
from cython import declare, cast, locals, address, typedef, p_void, compiled
from cython import declare as my_declare, locals as my_locals, p_void as my_void_star, typedef as my_typedef, compiled as my_compiled
@my_locals(a=cython.p_void)
def test_imports():
"""
>>> test_imports()
True
"""
a = cython.NULL
b = declare(p_void, cython.NULL)
c = my_declare(my_void_star, cython.NULL)
d = cy.declare(cy.p_void, cython.NULL)
return a == d and compiled and my_compiled
MyStruct3 = typedef(MyStruct[3])
MyStruct4 = my_typedef(MyStruct[4])
MyStruct5 = cy.typedef(MyStruct[5])
def test_declare_c_types(n):
"""
>>> test_declare_c_types(0)
>>> test_declare_c_types(1)
>>> test_declare_c_types(2)
"""
#
b00 = cython.declare(cython.bint, 0)
b01 = cython.declare(cython.bint, 1)
b02 = cython.declare(cython.bint, 2)
#
i00 = cython.declare(cython.uchar, n)
i01 = cython.declare(cython.char, n)
i02 = cython.declare(cython.schar, n)
i03 = cython.declare(cython.ushort, n)
i04 = cython.declare(cython.short, n)
i05 = cython.declare(cython.sshort, n)
i06 = cython.declare(cython.uint, n)
i07 = cython.declare(cython.int, n)
i08 = cython.declare(cython.sint, n)
i09 = cython.declare(cython.slong, n)
i10 = cython.declare(cython.long, n)
i11 = cython.declare(cython.ulong, n)
i12 = cython.declare(cython.slonglong, n)
i13 = cython.declare(cython.longlong, n)
i14 = cython.declare(cython.ulonglong, n)
i20 = cython.declare(cython.Py_ssize_t, n)
i21 = cython.declare(cython.size_t, n)
#
f00 = cython.declare(cython.float, n)
f01 = cython.declare(cython.double, n)
f02 = cython.declare(cython.longdouble, n)
#
#z00 = cython.declare(cython.complex, n+1j)
#z01 = cython.declare(cython.floatcomplex, n+1j)
#z02 = cython.declare(cython.doublecomplex, n+1j)
#z03 = cython.declare(cython.longdoublecomplex, n+1j)
cdef class ExtType:
"""
>>> x = ExtType()
>>> x.forward_ref(x)
'ExtType'
"""
@cython.locals(x="ExtType")
def forward_ref(self, x):
return cython.typeof(x)
def ext_type_string_ref(x: "ExtType"):
"""
>>> x = ExtType()
>>> ext_type_string_ref(x)
'ExtType'
"""
return cython.typeof(x)
with cython.cdivision(True):
@cython.cdivision(False)
@cython.cdivision(True)
def test_override_reset(x: cython.int):
"""
>>> test_override_reset(-3) # @cdivision(False)
-2
"""
return x / 2
@cython.cdivision(True)
@cython.cdivision(False)
def test_override_set(x: cython.int):
"""
>>> test_override_set(-5) # @cdivision(True)
-1
"""
return x / 3
@cython.cdivision(True)
@cython.cdivision(False)
@cython.cdivision(True)
@cython.cdivision(False)
@cython.cdivision(False)
@cython.cdivision(False)
@cython.cdivision(True)
@cython.cdivision(False)
@cython.cdivision(True)
@cython.cdivision(True)
@cython.cdivision(True)
@cython.cdivision(False)
def test_override_set_repeated(x: cython.int):
"""
>>> test_override_set_repeated(-5) # @cdivision(True)
-1
"""
return x / 3
_WARNINGS = """
181:27: Strings should no longer be used for type declarations. Use 'cython.int' etc. directly.
193:4: Directive does not change previous value (cdivision=True)
213:4: Directive does not change previous value (cdivision=False)
214:4: Directive does not change previous value (cdivision=False)
218:4: Directive does not change previous value (cdivision=True)
219:4: Directive does not change previous value (cdivision=True)
"""
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