Example #1
0
 def forward(self):
     if self.alpha.ndim == 1:
         return Tensor(np.random.dirichlet(self.alpha.value), function=self)
     else:
         raise NotImplementedError
Example #2
0
 def forward(self, x):
     self.x = x
     if isinstance(self.x, Constant):
         return Constant(x.value)
     return Tensor(x.value, function=self)
Example #3
0
 def forward(self):
     self.output = np.random.gamma(self.shape.value, 1 / self.rate.value)
     if isinstance(self.shape, Constant) and isinstance(
             self.rate, Constant):
         return Constant(self.output)
     return Tensor(self.output, function=self)
Example #4
0
 def forward(self):
     self.eps = np.random.normal(size=self.mu.shape)
     output = self.mu.value + self.std.value * self.eps
     if isinstance(self.mu, Constant) and isinstance(self.var, Constant):
         return Constant(output)
     return Tensor(output, self)