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IgANets - Isogeometric Analysis Networks
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iganet::Softshrink Class Reference

Softshrink activation function. More...

#include </home/runner/work/iganet/iganet/include/layer.hpp>

Inheritance diagram for iganet::Softshrink:
iganet::ActivationFunction iganet::utils::FullQualifiedName

Public Member Functions

 Softshrink (double lambda)
 
 Softshrink (torch::nn::functional::SoftshrinkFuncOptions options={})
 
 ~Softshrink () override=default
 
torch::Tensor apply (const torch::Tensor &input) const override
 Applies the activation function to the given input.
 
torch::nn::functional::SoftshrinkFuncOptions & options ()
 Returns non-constant reference to options.
 
const torch::nn::functional::SoftshrinkFuncOptions & options () const
 Returns constant reference to options.
 
virtual void pretty_print (std::ostream &os=Log(log::info)) const noexcept override
 Returns a string representation of the activation function.
 
torch::serialize::InputArchive & read (torch::serialize::InputArchive &archive, const std::string &key="softshrink") override
 Reads the activation function from a torch::serialize::InputArchive object.
 
torch::serialize::OutputArchive & write (torch::serialize::OutputArchive &archive, const std::string &key="softshrink") const override
 Writes the activation function into a torch::serialize::OutputArchive object.
 
- Public Member Functions inherited from iganet::ActivationFunction
virtual ~ActivationFunction ()=default
 

Private Attributes

torch::nn::functional::SoftshrinkFuncOptions options_
 

Additional Inherited Members

- Protected Member Functions inherited from iganet::utils::FullQualifiedName
virtual const std::string & name () const noexcept
 Returns the full qualified name of the object.
 
- Protected Attributes inherited from iganet::utils::FullQualifiedName
at::optional< std::string > name_
 String storing the full qualified name of the object.
 

Detailed Description

Softshrink activation function.

\[ \text{Softshrink}(x) = \begin{cases} x - \lambda & \text{ if } x > \lambda x + \lambda & \text{ if } x < \lambda 0 & \text{ otherwise } \end{cases} \]

Constructor & Destructor Documentation

◆ Softshrink() [1/2]

iganet::Softshrink::Softshrink ( torch::nn::functional::SoftshrinkFuncOptions  options = {})
inlineexplicit

◆ Softshrink() [2/2]

iganet::Softshrink::Softshrink ( double  lambda)
inlineexplicit

◆ ~Softshrink()

iganet::Softshrink::~Softshrink ( )
overridedefault

Member Function Documentation

◆ apply()

torch::Tensor iganet::Softshrink::apply ( const torch::Tensor &  input) const
inlineoverridevirtual

Applies the activation function to the given input.

Implements iganet::ActivationFunction.

◆ options() [1/2]

torch::nn::functional::SoftshrinkFuncOptions & iganet::Softshrink::options ( )
inline

Returns non-constant reference to options.

◆ options() [2/2]

const torch::nn::functional::SoftshrinkFuncOptions & iganet::Softshrink::options ( ) const
inline

Returns constant reference to options.

◆ pretty_print()

virtual void iganet::Softshrink::pretty_print ( std::ostream &  os = Log(log::info)) const
inlineoverridevirtualnoexcept

Returns a string representation of the activation function.

Implements iganet::ActivationFunction.

◆ read()

torch::serialize::InputArchive & iganet::Softshrink::read ( torch::serialize::InputArchive &  archive,
const std::string &  key = "softshrink" 
)
inlineoverridevirtual

Reads the activation function from a torch::serialize::InputArchive object.

Implements iganet::ActivationFunction.

◆ write()

torch::serialize::OutputArchive & iganet::Softshrink::write ( torch::serialize::OutputArchive &  archive,
const std::string &  key = "softshrink" 
) const
inlineoverridevirtual

Writes the activation function into a torch::serialize::OutputArchive object.

Implements iganet::ActivationFunction.

Member Data Documentation

◆ options_

torch::nn::functional::SoftshrinkFuncOptions iganet::Softshrink::options_
private

The documentation for this class was generated from the following file: