# mode: run
# tag: annotation_typing, pure3.0, mypy
import cython
is_compiled = cython.compiled
MyUnion = cython.union(n=cython.int, x=cython.double)
MyStruct = cython.struct(is_integral=cython.bint, data=MyUnion)
MyStruct2 = cython.typedef(MyStruct[2]) # type: cython.StructType
@cython.ccall # cpdef => C return type
def test_return_type(n: cython.int) -> cython.double:
"""
>>> test_return_type(389)
389.0
"""
assert cython.typeof(n) == 'int', cython.typeof(n)
return n if is_compiled else float(n)
def test_struct(n: cython.int, x: cython.double) -> MyStruct2:
"""
>>> test_struct(389, 1.64493)
(389, 1.64493)
>>> d = test_struct.__annotations__
>>> sorted(d)
['n', 'return', 'x']
"""
assert cython.typeof(n) == 'int', cython.typeof(n)
False
"""
result = False
should_raise_bool = True if should_raise else False # help the type inference ...
with nogil:
print("WORKS")
with cython.nogil:
result = True
if should_raise_bool:
raise ValueError("RAISED!")
return result
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(is_integral=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
>>> test_with_nogil(nogil())
WORKS
True
>>> raised
[None]
"""
result = False
with nogil:
print("WORKS")
with cython.nogil:
result = True
return result
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(is_integral=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
False
"""
result = False
should_raise_bool = True if should_raise else False # help the type inference ...
with nogil:
print("WORKS")
with cython.nogil:
result = True
if should_raise_bool:
raise ValueError("RAISED!")
return result
MyUnion = cython.union(n=cython.int, x=cython.double)
MyStruct = cython.struct(is_integral=cython.bint, data=MyUnion)
MyStruct2 = cython.typedef(MyStruct[2])
MyStruct3 = cython.typedef(MyStruct[3])
def test_struct(n, x):
"""
>>> test_struct(389, 1.64493)
(389, 1.64493, False)
"""
a = cython.declare(MyStruct3)
a[0] = MyStruct(is_integral=True, data=MyUnion(n=n))
a[1] = MyStruct(is_integral=False, data={'x': x})
if sys.version_info >= (3, 6):
# dict is ordered => struct creation via keyword arguments above was deterministic!
a[2] = MyStruct(False, MyUnion(x=x))
else:
# -*- coding: utf-8 -*- # @Author: lcl1026504480 # @Date: 2019-08-29 17:11:37 # @Last Modified by: lcl1026504480 # @Last Modified time: 2019-08-29 17:17:06 import cython cython.declare(x=cython.int, x_ptr=cython.p_int) x = 5 x_ptr = cython.address(x) cython.declare(n=cython.longlong) print(cython.sizeof(cython.longlong)) n = 400 print(cython.sizeof(n)) MyStruct = cython.struct(x=cython.int, y=cython.int, data=cython.double) a = cython.declare(MyStruct) T = cython.typedef(cython.p_int) # ctypedef int* T # t1 = cython.cast(T, t) # t2 = cython.cast(T, t, typecheck=True)
import numpy as np
import cython
from cython.cimports.libc.math import cos, sin, pi
@cython.cfunc
@cython.returns((cython.double, cython.double))
def __define_point():
return (0, 0)
Point = cython.typedef((cython.double, cython.double))
@cython.cclass
class Transform:
m = cython.declare(object, visibility="public")
def __init__(self, **kwargs):
self.set(**kwargs)
def set(self, **kwargs):
self.m = Transform.matrix(**kwargs)
@staticmethod
def matrix(t_x=0.0, t_y=0.0, s_x=1.0, s_y=1.0, degrees=0.0, t=None):
if t:
return np.array(t.m)
theta = degrees * pi / 180
c = cos(theta)
return y[0]
@cython.locals(x=cython.int)
@cython.locals(y=cython.bint)
def test_locals(x):
"""
>>> bool(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(is_integral=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
