Class: Chainer::Functions::Math::AddConstant

Inherits:
Chainer::Function show all
Defined in:
lib/chainer/functions/math/basic_math.rb

Instance Attribute Summary

Attributes inherited from Chainer::Function

#inputs, #output_data, #outputs, #rank, #retain_after_backward

Instance Method Summary collapse

Methods inherited from Chainer::Function

#call, #forward_cpu, #retain_inputs, #retain_outputs

Constructor Details

#initialize(value) ⇒ AddConstant

Returns a new instance of AddConstant.



28
29
30
 
# File 'lib/chainer/functions/math/basic_math.rb', line 28

def initialize(value)
  @value = value
end

Instance Method Details

#backward(x, gy) ⇒ Object 



37
38
39
 
# File 'lib/chainer/functions/math/basic_math.rb', line 37

def backward(x, gy)
  [gy[0]]
end

#forward(x) ⇒ Object 



32
33
34
35
 
# File 'lib/chainer/functions/math/basic_math.rb', line 32

def forward(x)
  retain_inputs([])
  [Utils::Array.force_array(x[0] + @value)]
end