73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/*
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* Copyright (C) 2026 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS 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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* LMS 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 LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gtest/gtest.h>
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#include "math/CentroidCalculator.hpp"
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#include "math/Vector.hpp"
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namespace lms::math::centroidCalculatorTests
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{
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TEST(CentroidCalculator, initialState)
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{
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CentroidCalculator<Vector<3, float>> calculator;
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EXPECT_TRUE(calculator.empty());
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EXPECT_EQ(calculator.count(), 0U);
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}
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TEST(CentroidCalculator, addAndFinalize)
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{
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CentroidCalculator<Vector<3, float>> calculator;
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calculator.add(Vector<3, float>{ 1.0F, 2.0F, 3.0F });
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calculator.add(Vector<3, float>{ 4.0F, 5.0F, 6.0F });
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const Vector<3, float> result = calculator.finalize();
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EXPECT_FLOAT_EQ(result[0], 2.5F);
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EXPECT_FLOAT_EQ(result[1], 3.5F);
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EXPECT_FLOAT_EQ(result[2], 4.5F);
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}
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TEST(CentroidCalculator, finalizeNormalized)
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{
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CentroidCalculator<Vector<2, float>> calculator;
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calculator.add(Vector<2, float>{ 3.0F, 4.0F });
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const Vector<2, float> result = calculator.finalizeNormalized();
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EXPECT_NEAR(result.computeNorm(), 1.0F, 1e-6F);
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EXPECT_NEAR(result[0], 0.6F, 1e-6F);
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EXPECT_NEAR(result[1], 0.8F, 1e-6F);
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}
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TEST(CentroidCalculator, computeCentroidSpan)
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{
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const std::array<Vector<2, float>, 2> values{
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Vector<2, float>{ 0.0F, 2.0F },
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Vector<2, float>{ 2.0F, 0.0F }
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};
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const Vector<2, float> result = computeCentroid(std::span<const Vector<2, float>>(values));
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EXPECT_FLOAT_EQ(result[0], 1.0F);
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EXPECT_FLOAT_EQ(result[1], 1.0F);
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}
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} // namespace lms::math::centroidCalculatorTests
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