Old engine for Continuous Time Bayesian Networks. Superseded by reCTBN. 🐍
https://github.com/madlabunimib/PyCTBN
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163 lines
3.9 KiB
163 lines
3.9 KiB
import math
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import textwrap
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import sys
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import pytest
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import numpy as np
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from numpy.testing import assert_, assert_equal, IS_PYPY
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from . import util
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class TestF77Callback(util.F2PyTest):
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code = """
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subroutine t(fun,a)
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integer a
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cf2py intent(out) a
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external fun
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call fun(a)
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end
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subroutine func(a)
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cf2py intent(in,out) a
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integer a
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a = a + 11
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end
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subroutine func0(a)
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cf2py intent(out) a
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integer a
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a = 11
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end
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subroutine t2(a)
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cf2py intent(callback) fun
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integer a
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cf2py intent(out) a
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external fun
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call fun(a)
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end
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subroutine string_callback(callback, a)
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external callback
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double precision callback
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double precision a
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character*1 r
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cf2py intent(out) a
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r = 'r'
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a = callback(r)
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end
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subroutine string_callback_array(callback, cu, lencu, a)
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external callback
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integer callback
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integer lencu
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character*8 cu(lencu)
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integer a
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cf2py intent(out) a
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a = callback(cu, lencu)
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end
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"""
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@pytest.mark.parametrize('name', 't,t2'.split(','))
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def test_all(self, name):
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self.check_function(name)
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@pytest.mark.xfail(IS_PYPY,
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reason="PyPy cannot modify tp_doc after PyType_Ready")
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def test_docstring(self):
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expected = textwrap.dedent("""\
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a = t(fun,[fun_extra_args])
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Wrapper for ``t``.
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Parameters
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----------
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fun : call-back function
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Other Parameters
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----------------
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fun_extra_args : input tuple, optional
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Default: ()
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Returns
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-------
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a : int
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Notes
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-----
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Call-back functions::
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def fun(): return a
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Return objects:
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a : int
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""")
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assert_equal(self.module.t.__doc__, expected)
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def check_function(self, name):
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t = getattr(self.module, name)
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r = t(lambda: 4)
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assert_(r == 4, repr(r))
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r = t(lambda a: 5, fun_extra_args=(6,))
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assert_(r == 5, repr(r))
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r = t(lambda a: a, fun_extra_args=(6,))
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assert_(r == 6, repr(r))
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r = t(lambda a: 5 + a, fun_extra_args=(7,))
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assert_(r == 12, repr(r))
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r = t(lambda a: math.degrees(a), fun_extra_args=(math.pi,))
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assert_(r == 180, repr(r))
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r = t(math.degrees, fun_extra_args=(math.pi,))
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assert_(r == 180, repr(r))
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r = t(self.module.func, fun_extra_args=(6,))
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assert_(r == 17, repr(r))
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r = t(self.module.func0)
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assert_(r == 11, repr(r))
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r = t(self.module.func0._cpointer)
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assert_(r == 11, repr(r))
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class A:
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def __call__(self):
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return 7
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def mth(self):
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return 9
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a = A()
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r = t(a)
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assert_(r == 7, repr(r))
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r = t(a.mth)
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assert_(r == 9, repr(r))
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@pytest.mark.skipif(sys.platform=='win32',
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reason='Fails with MinGW64 Gfortran (Issue #9673)')
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def test_string_callback(self):
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def callback(code):
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if code == 'r':
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return 0
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else:
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return 1
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f = getattr(self.module, 'string_callback')
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r = f(callback)
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assert_(r == 0, repr(r))
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@pytest.mark.skipif(sys.platform=='win32',
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reason='Fails with MinGW64 Gfortran (Issue #9673)')
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def test_string_callback_array(self):
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# See gh-10027
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cu = np.zeros((1, 8), 'S1')
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def callback(cu, lencu):
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if cu.shape != (lencu, 8):
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return 1
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if cu.dtype != 'S1':
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return 2
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if not np.all(cu == b''):
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return 3
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return 0
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f = getattr(self.module, 'string_callback_array')
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res = f(callback, cu, len(cu))
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assert_(res == 0, repr(res))
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