CNum/Activation_8h_source.html

#ifndef ACTIVATION_H

#define ACTIVATION_H


#include "CNum/DataStructs/DataStructs.h"


#include <functional>

#include <unordered_map>

#include <string>

#include <cmath>


namespace CNum::Model::Activation {

  using ActivationFunc = std::function< double(double) >;


  double sigmoid(double value);


  ::CNum::DataStructs::Matrix<double> activate(const ::CNum::DataStructs::Matrix<double> &data,

                           ActivationFunc act_func) noexcept;


  ActivationFunc get_activation_func(::std::string activation);

};


#endif

DataStructs.h

CNum::DataStructs::Matrix
2d array abstraction
Definition Matrix.h:43

CNum::Model::Activation
Activation functions.

CNum::Model::Activation::ActivationFunc
std::function< double(double) > ActivationFunc
Definition Activation.h:16

CNum::Model::Activation::get_activation_func
ActivationFunc get_activation_func(::std::string activation)
Get an activation function from a string.

CNum::Model::Activation::activate
::CNum::DataStructs::Matrix< double > activate(const ::CNum::DataStructs::Matrix< double > &data, ActivationFunc act_func) noexcept
Run an activation function on a Matrix of data.

CNum::Model::Activation::sigmoid
double sigmoid(double value)
Sigmoid function (for a single value).