def cost_matrix(self, Y, Y_hat):
        raise NotImplementedError(
            str(type(self)) + " does not implement mlp.Layer.cost_matrix")
Process sample data and update version specific links.
dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/models/mlp.py/Layer.cost_matrix--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/tests/functional/api_samples_test_base.py/ApiSampleTestBase._update_links