Source code for pygan.gans_value_function

# -*- coding: utf-8 -*-
from abc import ABCMeta, abstractmethod


[docs]class GANsValueFunction(metaclass=ABCMeta): ''' The interface to compute rewards. '''
[docs] @abstractmethod def compute_discriminator_reward( self, true_posterior_arr, generated_posterior_arr ): ''' Compute discriminator's reward. Args: true_posterior_arr: `np.ndarray` of `true` posterior inferenced by the discriminator. generated_posterior_arr: `np.ndarray` of `fake` posterior inferenced by the discriminator. Returns: `np.ndarray` of Gradients. ''' raise NotImplementedError()
[docs] @abstractmethod def compute_generator_reward( self, generated_posterior_arr ): ''' Compute generator's reward. Args: generated_posterior_arr: `np.ndarray` of `fake` posterior inferenced by the discriminator. Returns: `np.ndarray` of Gradients. ''' raise NotImplementedError()