Neural Network Organism Reproduction

connga_organism_2.py

class Organism():
    # [Some code removed here]

    def mate(self, other, mutate=True):
        if self.use_bias != other.use_bias:
            raise ValueError('Both parents must use bias or not use bias')
        if not len(self.layers) == len(other.layers):
            raise ValueError('Both parents must have same number of layers')
        if not all(self.layers[x].shape == other.layers[x].shape for x in range(len(self.layers))):
            raise ValueError('Both parents must have same shape')

        child = copy.deepcopy(self)
        for i in range(len(child.layers)):
            pass_on = np.random.rand(1, child.layers[i].shape[1]) < 0.5
            child.layers[i] = pass_on * self.layers[i] + ~pass_on * other.layers[i]
            child.biases[i] = pass_on * self.biases[i] + ~pass_on * other.biases[i]
        if mutate:
            child.mutate()
        return child