Class: Chainer::Functions::Math::MulConstant

Inherits:

Chainer::Function

• Object
• Chainer::Function
• Chainer::Functions::Math::MulConstant

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

• #backward(x, gy) ⇒ Object
• #forward(x) ⇒ Object
• #initialize(value) ⇒ MulConstant constructor

  A new instance of MulConstant.

Methods inherited from Chainer::Function

#call, #forward_cpu, #retain_inputs, #retain_outputs

Constructor Details

#initialize(value) ⇒ MulConstant

Returns a new instance of MulConstant.

# File 'lib/chainer/functions/math/basic_math.rb', line 64

def initialize(value)
  @value = value
end

Instance Method Details

#backward(x, gy) ⇒ Object

# File 'lib/chainer/functions/math/basic_math.rb', line 72

def backward(x, gy)
  [Utils::Array.force_array(@value * gy[0])]
end

#forward(x) ⇒ Object

# File 'lib/chainer/functions/math/basic_math.rb', line 68

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