test_keras2_numeric.py 文件源码

def test_dense_layer_params(self):
        options = dict(
            activation = ['relu', 'softmax', 'tanh', 'sigmoid', 'softplus', 'softsign', 'elu','hard_sigmoid'],
            use_bias = [True, False],
        )
        # Define a function that tests a model
        input_shape = (10,)
        num_channels = 10
        def build_model(x):
            kwargs = dict(zip(options.keys(), x))
            model = Sequential()
            model.add(Dense(num_channels, input_shape = input_shape, **kwargs))
            return x, model

        # Iterate through all combinations
        product = itertools.product(*options.values())
        args = [build_model(p) for p in product]

        # Test the cases
        print("Testing a total of %s cases. This could take a while" % len(args))
        for param, model in args:
            self._run_test(model, param)