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Implemented Network.RecursiveSteps() and related test cases. #55

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Jun 21, 2022
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Implemented Network.RecursiveSteps() and related test cases. #55

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6 changes: 5 additions & 1 deletion neat/network/network.go
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Original file line number Diff line number Diff line change
Expand Up @@ -327,7 +327,11 @@ func (n *Network) ForwardSteps(steps int) (res bool, err error) {
}

func (n *Network) RecursiveSteps() (bool, error) {
return false, errors.New("RecursiveSteps is not implemented")
netDepth, err := n.MaxActivationDepthFast(0)
if err != nil {
return false, err
}
return n.ForwardSteps(netDepth)
}

func (n *Network) Relax(_ int, _ float64) (bool, error) {
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20 changes: 20 additions & 0 deletions neat/network/network_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -216,12 +216,32 @@ func TestNetwork_ForwardSteps(t *testing.T) {
assert.NoError(t, err)
assert.True(t, res)

expectedOuts := []float64{1.0, 1.0}
assert.EqualValues(t, expectedOuts, net.ReadOutputs())

// test zero steps
res, err = net.ForwardSteps(0)
assert.EqualError(t, err, ErrZeroActivationStepsRequested.Error())
assert.False(t, res)
}

func TestNetwork_RecursiveSteps(t *testing.T) {
net := buildNetwork()

data := []float64{0.5, 0.0, 1.5}
err := net.LoadSensors(data)
require.NoError(t, err, "failed to load sensors")

relaxed, err := net.RecursiveSteps()
assert.NoError(t, err)
assert.True(t, relaxed)

logNetworkActivationPath(net, t)

expectedOuts := []float64{1.0, 1.0}
assert.EqualValues(t, expectedOuts, net.ReadOutputs())
}

func TestNetwork_ForwardSteps_disconnected(t *testing.T) {
net := buildDisconnectedNetwork()

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