import tensorflow as tf

# activation function used in generator's convolution transpose layer
gen_activation = tf.nn.relu
gen_output_activation = tf.nn.tanh
gen_bias_initializer = tf.zeros_initializer
# activation function used in discriminator
dis_activation = tf.nn.leaky_relu
dis_dense_activation = tf.nn.leaky_relu
dis_bias_initializer = tf.zeros_initializer

# the number of channels
channel = 3

# batch normalization layer for D and G
bn = tf.layers.BatchNormalization
