119 lines
4.4 KiB
C++
119 lines
4.4 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_1_A1_H
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#define COSC_4P80_ASSIGNMENT_1_A1_H
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#include <blt/std/logging.h>
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#include <blt/math/matrix.h>
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#include <blt/math/log_util.h>
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namespace a1
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{
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void test_math()
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{
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blt::generalized_matrix<float, 1, 4> input{1, -1, -1, 1};
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blt::generalized_matrix<float, 1, 3> output{1, 1, 1};
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blt::generalized_matrix<float, 4, 3> expected{
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blt::vec4{1, -1, -1, 1},
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blt::vec4{1, -1, -1, 1},
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blt::vec4{1, -1, -1, 1}
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};
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auto w_matrix = input.transpose() * output;
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BLT_ASSERT(w_matrix == expected && "MATH MATRIX FAILURE");
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blt::vec4 one{5, 1, 3, 0};
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blt::vec4 two{9, -5, -8, 3};
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blt::generalized_matrix<float, 1, 4> g1{5, 1, 3, 0};
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blt::generalized_matrix<float, 1, 4> g2{9, -5, -8, 3};
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BLT_ASSERT(g1 * g2.transpose() == blt::vec4::dot(one, two) && "MATH DOT FAILURE");
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}
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template<typename input_t>
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float crosstalk(const input_t& i, const input_t& j)
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{
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return i * j.transpose();
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}
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template<typename T, blt::u32 rows, blt::u32 columns>
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blt::generalized_matrix<T, rows, columns> threshold(const blt::generalized_matrix<T, rows, columns>& y,
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const blt::generalized_matrix<T, rows, columns>& base)
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{
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blt::generalized_matrix<T, rows, columns> result;
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for (blt::u32 i = 0; i < columns; i++)
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{
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for (blt::u32 j = 0; j < rows; j++)
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result[i][j] = y[i][j] > 1 ? 1 : (y[i][j] < -1 ? -1 : base[i][j]);
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}
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return result;
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}
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template<typename T, blt::size_t size>
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blt::size_t difference(const std::array<T, size>& a, const std::array<T, size>& b)
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{
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blt::size_t count = 0;
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for (const auto& [a_val, b_val] : blt::in_pairs(a, b))
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{
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if (a_val != b_val)
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count++;
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}
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return count;
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}
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template<typename T, blt::size_t size>
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bool equal(const std::array<T, size>& a, const std::array<T, size>& b)
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{
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return difference(a, b) == 0;
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}
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template<typename weight_t, typename input_t, typename output_t>
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std::pair<input_t, output_t> run_step(const weight_t& associated_weights, const input_t& input, const output_t& output)
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{
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output_t output_recall = input * associated_weights;
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input_t input_recall = output_recall * associated_weights.transpose();
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// BLT_DEBUG_STREAM << "Input: " << input.vec_from_column_row() << "\nOutput: " << output.vec_from_column_row() << '\n';
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// BLT_DEBUG_STREAM << "Recalled Input: " << a1::threshold(input_recall, input).vec_from_column_row() << "\nRecalled Output: "
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// << a1::threshold(output_recall, output).vec_from_column_row() << '\n';
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return std::pair{a1::threshold(input_recall, input), a1::threshold(output_recall, output)};
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}
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template<typename weight_t, typename T, typename G, blt::size_t size>
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void check_recall(const weight_t& weights, const std::array<G, size>& inputs, const std::array<T, size>& outputs)
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{
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for (const auto& [index, val] : blt::enumerate(inputs))
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{
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auto result = run_step(weights, val, outputs[index]);
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if (result.first != val)
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BLT_ERROR("Recall of input #%ld failed", index + 1);
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else
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BLT_INFO("Recall of input #%ld passed", index + 1);
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if (result.second != outputs[index])
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BLT_ERROR("Recall of output #%ld failed", index + 1);
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else
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BLT_INFO("recall of output #%ld passed", index + 1);
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}
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}
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}
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#endif //COSC_4P80_ASSIGNMENT_1_A1_H
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