def testDestroySegment(self):
""" Creates a segment, destroys it, and makes sure it got destroyed along
with all of its synapses.
"""
connections = Connections(1024)
connections.createSegment(10)
segment2 = connections.createSegment(20)
connections.createSegment(30)
connections.createSegment(40)
connections.createSynapse(segment2, 80, 0.85)
connections.createSynapse(segment2, 81, 0.85)
connections.createSynapse(segment2, 82, 0.15)
self.assertEqual(4, connections.numSegments())
self.assertEqual(3, connections.numSynapses())
connections.destroySegment(segment2)
self.assertEqual(3, connections.numSegments())
self.assertEqual(0, connections.numSynapses())
(numActiveConnected,
numActivePotential) = connections.computeActivity([80, 81, 82], 0.5)
self.assertEqual(0, numActiveConnected[segment2.flatIdx])
self.assertEqual(0, numActivePotential[segment2.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 testDestroySegment(self):
""" Creates a segment, destroys it, and makes sure it got destroyed along
with all of its synapses.
"""
connections = Connections(1024)
connections.createSegment(10)
segment2 = connections.createSegment(20)
connections.createSegment(30)
connections.createSegment(40)
connections.createSynapse(segment2, 80, 0.85)
connections.createSynapse(segment2, 81, 0.85)
connections.createSynapse(segment2, 82, 0.15)
self.assertEqual(4, connections.numSegments())
self.assertEqual(3, connections.numSynapses())
connections.destroySegment(segment2)
self.assertEqual(3, connections.numSegments())
self.assertEqual(0, connections.numSynapses())
(numActiveConnected,
numActivePotential) = connections.computeActivity([80, 81, 82], 0.5)
self.assertEqual(0, numActiveConnected[segment2.flatIdx])
self.assertEqual(0, numActivePotential[segment2.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 testDestroySynapse(self):
""" Creates a segment, creates a number of synapses on it, destroys a
synapse, and makes sure it got destroyed.
"""
connections = Connections(1024)
segment = connections.createSegment(20)
synapse1 = connections.createSynapse(segment, 80, .85)
synapse2 = connections.createSynapse(segment, 81, .85)
synapse3 = connections.createSynapse(segment, 82, .15)
self.assertEqual(3, connections.numSynapses())
connections.destroySynapse(synapse2)
self.assertEqual(2, connections.numSynapses())
self.assertEqual(set([synapse1, synapse3]),
connections.synapsesForSegment(segment))
(numActiveConnected,
numActivePotential) = connections.computeActivity([80, 81, 82], .5)
self.assertEqual(1, numActiveConnected[segment.flatIdx])
self.assertEqual(2, numActivePotential[segment.flatIdx])
def testDestroySynapse(self):
""" Creates a segment, creates a number of synapses on it, destroys a
synapse, and makes sure it got destroyed.
"""
connections = Connections(1024)
segment = connections.createSegment(20)
synapse1 = connections.createSynapse(segment, 80, .85)
synapse2 = connections.createSynapse(segment, 81, .85)
synapse3 = connections.createSynapse(segment, 82, .15)
self.assertEqual(3, connections.numSynapses())
connections.destroySynapse(synapse2)
self.assertEqual(2, connections.numSynapses())
self.assertEqual(set([synapse1, synapse3]),
connections.synapsesForSegment(segment))
(numActiveConnected,
numActivePotential) = connections.computeActivity([80, 81, 82], .5)
self.assertEqual(1, numActiveConnected[segment.flatIdx])
self.assertEqual(2, numActivePotential[segment.flatIdx])