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Update Loss.cpp

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sosokker 2023-08-23 23:49:53 +07:00
parent 09a17dfa24
commit dd9eb55d40
1 changed files with 10 additions and 31 deletions
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src/Loss/Loss.cpp
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@ -1,39 +1,18 @@
#include "Loss.hpp" #include <Eigen/Dense>
#include <cmath>
double Loss::regularization_loss() { double mse(const Eigen::VectorXd& y_true, const Eigen::VectorXd& y_pred) {
// Implementation return (y_true - y_pred).squaredNorm() / y_true.size();
} }
// Implement other member functions of Loss class Eigen::VectorXd mse_prime(const Eigen::VectorXd& y_true, const Eigen::VectorXd& y_pred) {
return 2.0 * (y_pred - y_true) / y_true.size();
double Loss_CategoricalCrossentropy::forward(const std::vector<double>& y_pred, const std::vector<double>& y_true) {
// Implementation
} }
void Loss_CategoricalCrossentropy::backward(std::vector<double>& dvalues, const std::vector<double>& y_true) { double binary_cross_entropy(const Eigen::VectorXd& y_true, const Eigen::VectorXd& y_pred) {
// Implementation return -((y_true.array() * y_pred.array().log()) + ((1 - y_true.array()) * (1 - y_pred.array()).log())).mean();
} }
double Loss_BinaryCrossentropy::forward(const std::vector<double>& y_pred, const std::vector<double>& y_true) { Eigen::VectorXd binary_cross_entropy_prime(const Eigen::VectorXd& y_true, const Eigen::VectorXd& y_pred) {
// Implementation return ((1 - y_true.array()) / (1 - y_pred.array()) - y_true.array() / y_pred.array()) / y_true.size();
}
void Loss_BinaryCrossentropy::backward(std::vector<double>& dvalues, const std::vector<double>& y_true) {
// Implementation
}
double Loss_MeanSquaredError::forward(const std::vector<double>& y_pred, const std::vector<double>& y_true) {
// Implementation
}
void Loss_MeanSquaredError::backward(std::vector<double>& dvalues, const std::vector<double>& y_true) {
// Implementation
}
double Loss_MeanAbsoluteError::forward(const std::vector<double>& y_pred, const std::vector<double>& y_true) {
// Implementation
}
void Loss_MeanAbsoluteError::backward(std::vector<double>& dvalues, const std::vector<double>& y_true) {
// Implementation
} }