idx_loader.hpp

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/*
 * 
 * Copyright 2025 Nathanne Isip
 * 
 * Redistribution and use in source and binary forms,
 * with or without modification, are permitted provided
 * that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the
 *    above copyright notice, this list of conditions
 *    and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce
 *    the above copyright notice, this list of conditions
 *    and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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#ifndef CHISEI_IDX_LOADER_HPP
#define CHISEI_IDX_LOADER_HPP
 
#include <cstdint>
#include <exception>
#include <fstream>
#include <vector>
 
#include <chisei/activation_functions.hpp>
#include <chisei/neural_network.hpp>
 
namespace chisei {
    class IDXLoader final {
    public:
        static NeuralNetwork fromMNIST(
            const std::string& images_file,
            const std::string& labels_file,
            double learning_rate,
            int epoch
        );
 
    private:
        static uint32_t readUint32(std::ifstream& file);
    };
}
 
#endif