def testComputeActivity(self): """ Creates a sample set of connections, and makes sure that computing the activity for a collection of cells with no activity returns the right activity data. """ connections = Connections(1024) # Cell with 1 segment. # Segment with: # - 1 connected synapse: active # - 2 matching synapses segment1a = connections.createSegment(10) connections.createSynapse(segment1a, 150, .85) connections.createSynapse(segment1a, 151, .15) # Cell with 1 segment. # Segment with: # - 2 connected synapse: 2 active # - 3 matching synapses: 3 active segment2a = connections.createSegment(20) connections.createSynapse(segment2a, 80, .85) connections.createSynapse(segment2a, 81, .85) synapse = connections.createSynapse(segment2a, 82, .85) connections.updateSynapsePermanence(synapse, .15) inputVec = [50, 52, 53, 80, 81, 82, 150, 151] (numActiveConnected, numActivePotential) = connections.computeActivity(inputVec, .5) self.assertEqual(1, numActiveConnected[segment1a.flatIdx]) self.assertEqual(2, numActivePotential[segment1a.flatIdx]) self.assertEqual(2, numActiveConnected[segment2a.flatIdx]) self.assertEqual(3, numActivePotential[segment2a.flatIdx])
def testComputeActivity(self): """ Creates a sample set of connections, and makes sure that computing the activity for a collection of cells with no activity returns the right activity data. """ connections = Connections(1024) # Cell with 1 segment. # Segment with: # - 1 connected synapse: active # - 2 matching synapses segment1a = connections.createSegment(10) connections.createSynapse(segment1a, 150, .85) connections.createSynapse(segment1a, 151, .15) # Cell with 1 segment. # Segment with: # - 2 connected synapse: 2 active # - 3 matching synapses: 3 active segment2a = connections.createSegment(20) connections.createSynapse(segment2a, 80, .85) connections.createSynapse(segment2a, 81, .85) synapse = connections.createSynapse(segment2a, 82, .85) connections.updateSynapsePermanence(synapse, .15) inputVec = [50, 52, 53, 80, 81, 82, 150, 151] (numActiveConnected, numActivePotential) = connections.computeActivity(inputVec, .5) self.assertEqual(1, numActiveConnected[segment1a.flatIdx]) self.assertEqual(2, numActivePotential[segment1a.flatIdx]) self.assertEqual(2, numActiveConnected[segment2a.flatIdx]) self.assertEqual(3, numActivePotential[segment2a.flatIdx])
def testUpdateSynapsePermanence(self): """ Creates a synapse and updates its permanence, and makes sure that its data was correctly updated. """ connections = Connections(1024) segment = connections.createSegment(10) synapse = connections.createSynapse(segment, 50, .34) connections.updateSynapsePermanence(synapse, .21) synapseData = connections.dataForSynapse(synapse) self.assertAlmostEqual(synapseData.permanence, .21)
def testUpdateSynapsePermanence(self): """ Creates a synapse and updates its permanence, and makes sure that its data was correctly updated. """ connections = Connections(1024) segment = connections.createSegment(10) synapse = connections.createSynapse(segment, 50, .34) connections.updateSynapsePermanence(synapse, .21) synapseData = connections.dataForSynapse(synapse) self.assertAlmostEqual(synapseData.permanence, .21)