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from __future__ import division, absolute_import, print_function
from numpy.testing import *
from numpy import array
import math
import util
import textwrap
class TestF77Callback(util.F2PyTest):
code = """
subroutine t(fun,a)
integer a
cf2py intent(out) a
external fun
call fun(a)
end
subroutine func(a)
cf2py intent(in,out) a
integer a
a = a + 11
end
subroutine func0(a)
cf2py intent(out) a
integer a
a = 11
end
subroutine t2(a)
cf2py intent(callback) fun
integer a
cf2py intent(out) a
external fun
call fun(a)
end
"""
@dec.slow
def test_all(self):
for name in "t,t2".split(","):
self.check_function(name)
@dec.slow
def test_docstring(self):
expected = """
a = t(fun,[fun_extra_args])
Wrapper for ``t``.
Parameters
----------
fun : call-back function
Other Parameters
----------------
fun_extra_args : input tuple, optional
Default: ()
Returns
-------
a : int
Notes
-----
Call-back functions::
def fun(): return a
Return objects:
a : int
"""
assert_equal(self.module.t.__doc__, textwrap.dedent(expected).lstrip())
def check_function(self, name):
t = getattr(self.module, name)
r = t(lambda : 4)
assert_( r==4,repr(r))
r = t(lambda a:5,fun_extra_args=(6,))
assert_( r==5,repr(r))
r = t(lambda a:a,fun_extra_args=(6,))
assert_( r==6,repr(r))
r = t(lambda a:5+a,fun_extra_args=(7,))
assert_( r==12,repr(r))
r = t(lambda a:math.degrees(a),fun_extra_args=(math.pi,))
assert_( r==180,repr(r))
r = t(math.degrees,fun_extra_args=(math.pi,))
assert_( r==180,repr(r))
r = t(self.module.func, fun_extra_args=(6,))
assert_( r==17,repr(r))
r = t(self.module.func0)
assert_( r==11,repr(r))
r = t(self.module.func0._cpointer)
assert_( r==11,repr(r))
class A(object):
def __call__(self):
return 7
def mth(self):
return 9
a = A()
r = t(a)
assert_( r==7,repr(r))
r = t(a.mth)
assert_( r==9,repr(r))
if __name__ == "__main__":
import nose
nose.runmodule()
|
