def acos(x):
vml.py_vdAcos(x[0], x[1])
def acos_without_error(x):
vml.py_vmlSetMode(vml.PY_VML_ERRMODE_DEFAULT)
vml.py_vdAcos(x[0], x[0])
def acos_with_errorhandling(x):
vml.py_vmlSetMode(vml.PY_VML_ERRMODE_DEFAULT)
vml.py_vdAcos(x[1], x[1])
def acos_without_error_errorhandling(x):
vml.py_vmlSetMode(vml.PY_VML_ERRMODE_ERRNO)
vml.py_vdAcos(x[1], x[1])
def test_vdAcos(self):
x = np.array([1.0], dtype=np.float64)
y = np.array([42.42], dtype=np.float64)
vml.py_vdAcos(x, y)
self.assertAlmostEqual(y[0], 0.0)