def test_Neuron():
act_fun = lambda x: x * x
act_der = lambda x: 2
def init_fun(i):
if i is -1:
return 0.5
else:
return (i + 1)
neuron = Neuron(
dim_in=3,
act_fun=act_fun,
act_der=act_der,
init_fun=init_fun,
)
neuron._test = True
def output(vector):
return act_fun(wsum(vector))
def wsum(vector):
return vector[0] + 2 * vector[1] + 3 * vector[2] + 0.5
vector_1 = np.array([1, 2, 3])
vector_2 = np.array([1, 0, 3])
assert neuron.forward(vector_1) == output(vector_1)
assert neuron.forward(vector_2) == output(vector_2)
assert neuron.read_memory('input') == [vector_1, vector_2]
assert neuron.read_memory('wsum') == [wsum(vector_1), wsum(vector_2)]
def objectSizer(self, parentWindow):
if not hasattr(self, '_sizer'):
self._sizer = wx.FlexGridSizer(3, 2, 8, 8)
self._sizer.SetFlexibleDirection(wx.HORIZONTAL)
neuronImage = Neuron.image()
if neuronImage == None:
self._regionBitmap = wx.EmptyBitmap(16, 16)
else:
self._regionBitmap = wx.BitmapFromImage(neuronImage.Rescale(16, 16, wx.IMAGE_QUALITY_HIGH))
self._sizer.Add(wx.StaticText(parentWindow, wx.ID_ANY, gettext('Sends output to region:')))
self._sendsOutputChoice = wx.Choice(parentWindow, wx.ID_ANY)
self._sendsOutputChoice.Append(gettext('Yes'), True)
self._sendsOutputChoice.Append(gettext('No'), False)
self._sendsOutputChoice.Append(gettext('Unknown'), None)
self._multipleSendsOuputsId = wx.NOT_FOUND
self._sizer.Add(self._sendsOutputChoice)
parentWindow.Bind(wx.EVT_CHOICE, self.onChooseSendsOutput, self._sendsOutputChoice)
self._sizer.Add(wx.StaticText(parentWindow, wx.ID_ANY, gettext('Receives input from region:')))
self._receivesInputChoice = wx.Choice(parentWindow, wx.ID_ANY)
self._receivesInputChoice.Append(gettext('Yes'), True)
self._receivesInputChoice.Append(gettext('No'), False)
self._receivesInputChoice.Append(gettext('Unknown'), None)
self._multipleReceivesInputsId = wx.NOT_FOUND
self._sizer.Add(self._receivesInputChoice)
#add a neuron sizer
self._sizer.Add(wx.StaticText(parentWindow, wx.ID_ANY, gettext('Neuron: ')))
parentSizer = wx.BoxSizer(wx.HORIZONTAL)
parentSizer.Add(wx.StaticBitmap(parentWindow, wx.ID_ANY, self._regionBitmap))
self._parentNameField = wx.StaticText(parentWindow, wx.ID_ANY)
parentSizer.Add(self._parentNameField, 1, wx.LEFT, 2)
self._selectParentButton = wx.Button(parentWindow, wx.ID_ANY, gettext('Select'), style = wx.BU_EXACTFIT)
self._selectParentButton.SetWindowVariant(wx.WINDOW_VARIANT_SMALL)
self._selectParentButton.SetSize(wx.Size(50, self._selectParentButton.GetSize().GetHeight()))
self._selectParentButton.SetMinSize(self._selectParentButton.GetSize())
self._window.Bind(wx.EVT_BUTTON, self.onSelectNeuron, self._selectParentButton)
parentSizer.Add(self._selectParentButton, 0, wx.LEFT, 8)
self._selectParentButton.Disable()
self._sizer.Add(parentSizer)
parentWindow.Bind(wx.EVT_CHOICE, self.onChooseReceievesInput, self._receivesInputChoice)
return self._sizer
def bitmap(cls):
image = Neuron.image()
if image == None:
return None
else:
return wx.BitmapFromImage(image)
def bitmap(cls):
image = Neuron.image()
if image == None:
return None
else:
return wx.BitmapFromImage(image)
