Class: DNN::Layers::Layer

Inherits:

Object

• Object
• DNN::Layers::Layer

Defined in:

lib/dnn/core/layers.rb

Overview

Super class of all optimizer classes.

Direct Known Subclasses

Activations::LeakyReLU, Activations::ReLU, Activations::Sigmoid, Activations::Softplus, Activations::Softsign, Activations::Tanh, Dropout, Flatten, HasParamLayer, InputLayer, OutputLayer, Pool2D, Reshape, UnPool2D

Instance Method Summary

• #backward ⇒ Object

  Backward propagation.

• #build(model) ⇒ Object

  Build the layer.

• #built? ⇒ Boolean

  Does the layer have already been built?.

• #forward ⇒ Object

  Forward propagation.

• #initialize ⇒ Layer constructor

  A new instance of Layer.

• #prev_layer ⇒ Object

  Get the previous layer.

• #shape ⇒ Object

  Get the shape of the layer.

• #to_hash(merge_hash = nil) ⇒ Object

  Layer to a hash.

Constructor Details

#initialize ⇒ Layer

Returns a new instance of Layer.

# File 'lib/dnn/core/layers.rb', line 6

def initialize
  @built = false
end

Instance Method Details

#backward ⇒ Object

Backward propagation.

# File 'lib/dnn/core/layers.rb', line 25

def backward() end

#build(model) ⇒ Object

Build the layer.

# File 'lib/dnn/core/layers.rb', line 11

def build(model)
  @model = model
  @built = true
end

#built? ⇒ Boolean

Does the layer have already been built?

Returns:

• (Boolean)

# File 'lib/dnn/core/layers.rb', line 17

def built?
  @built
end

#forward ⇒ Object

Forward propagation.

# File 'lib/dnn/core/layers.rb', line 22

def forward() end

#prev_layer ⇒ Object

Get the previous layer.

# File 'lib/dnn/core/layers.rb', line 40

def prev_layer
  @model.get_prev_layer(self)
end

#shape ⇒ Object

Get the shape of the layer.

# File 'lib/dnn/core/layers.rb', line 28

def shape
  prev_layer.shape
end

#to_hash(merge_hash = nil) ⇒ Object

Layer to a hash.

# File 'lib/dnn/core/layers.rb', line 33

def to_hash(merge_hash = nil)
  hash = {class: self.class.name}
  hash.merge!(merge_hash) if merge_hash
  hash
end