110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
#pragma once
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/*
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* Copyright (C) 2024 Brett Terpstra
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef COSC_4P80_ASSIGNMENT_3_FILE_H
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#define COSC_4P80_ASSIGNMENT_3_FILE_H
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#include <blt/std/types.h>
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#include <vector>
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#include <string>
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#include <string_view>
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#include "blt/std/assert.h"
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namespace assign3
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{
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using Scalar = float;
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struct data_t
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{
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bool is_bad = false;
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std::vector<Scalar> bins;
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[[nodiscard]] data_t normalize() const;
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[[nodiscard]] data_t with_padding(blt::size_t desired_size, Scalar padding_value = 0) const;
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};
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struct data_file_t
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{
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public:
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std::vector<data_t> data_points;
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[[nodiscard]] data_file_t normalize() const;
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[[nodiscard]] data_file_t with_padding(blt::size_t desired_size, Scalar padding_value = 0) const;
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data_file_t& operator+=(const data_file_t& o);
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data_file_t friend operator+(const data_file_t& a, const data_file_t& b);
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static std::vector<data_file_t> load_data_files_from_path(std::string_view path);
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private:
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static std::vector<std::string> get_data_file_list(std::string_view path);
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static std::vector<data_file_t> load_data_files(const std::vector<std::string>& files);
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};
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struct partitioned_dataset_t
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{
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public:
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explicit partitioned_dataset_t(std::vector<data_file_t> groups):
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groups(std::move(groups)), bins(this->groups.begin()->data_points.begin()->bins.size())
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{}
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[[nodiscard]] const std::vector<data_file_t>& getGroups() const
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{
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return groups;
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}
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[[nodiscard]] blt::size_t bin_size() const
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{
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return bins;
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}
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private:
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std::vector<data_file_t> groups;
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blt::size_t bins;
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};
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struct dataset_partitioner
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{
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public:
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explicit dataset_partitioner(const data_file_t& file)
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{
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with(file);
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}
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dataset_partitioner& with(const data_file_t& data)
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{
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BLT_ASSERT(data.data_points.begin()->bins.size() == files.begin()->data_points.begin()->bins.size());
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files.push_back(data);
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return *this;
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}
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[[nodiscard]] partitioned_dataset_t partition(blt::size_t groups) const;
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private:
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std::vector<data_file_t> files;
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};
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void save_as_csv(const std::string& file, const std::vector<std::pair<std::string, std::vector<Scalar>>>& data);
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}
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#endif //COSC_4P80_ASSIGNMENT_3_FILE_H
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