Restored recommendations based on acoustic similarities (using musicnn), fixes #301

2026-06-02 08:32:43 +02:00
parent 1524106124
commit eb7f65878f
227 changed files with 10324 additions and 4673 deletions
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2026 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <gtest/gtest.h>
+
+#include "math/CentroidCalculator.hpp"
+#include "math/Vector.hpp"
+
+namespace lms::math::centroidCalculatorTests
+{
+    TEST(CentroidCalculator, initialState)
+    {
+        CentroidCalculator<Vector<3, float>> calculator;
+
+        EXPECT_TRUE(calculator.empty());
+        EXPECT_EQ(calculator.count(), 0U);
+    }
+
+    TEST(CentroidCalculator, addAndFinalize)
+    {
+        CentroidCalculator<Vector<3, float>> calculator;
+        calculator.add(Vector<3, float>{ 1.0F, 2.0F, 3.0F });
+        calculator.add(Vector<3, float>{ 4.0F, 5.0F, 6.0F });
+
+        const Vector<3, float> result = calculator.finalize();
+
+        EXPECT_FLOAT_EQ(result[0], 2.5F);
+        EXPECT_FLOAT_EQ(result[1], 3.5F);
+        EXPECT_FLOAT_EQ(result[2], 4.5F);
+    }
+
+    TEST(CentroidCalculator, finalizeNormalized)
+    {
+        CentroidCalculator<Vector<2, float>> calculator;
+        calculator.add(Vector<2, float>{ 3.0F, 4.0F });
+
+        const Vector<2, float> result = calculator.finalizeNormalized();
+
+        EXPECT_NEAR(result.computeNorm(), 1.0F, 1e-6F);
+        EXPECT_NEAR(result[0], 0.6F, 1e-6F);
+        EXPECT_NEAR(result[1], 0.8F, 1e-6F);
+    }
+
+    TEST(CentroidCalculator, computeCentroidSpan)
+    {
+        const std::array<Vector<2, float>, 2> values{
+            Vector<2, float>{ 0.0F, 2.0F },
+            Vector<2, float>{ 2.0F, 0.0F }
+        };
+
+        const Vector<2, float> result = computeCentroid(std::span<const Vector<2, float>>(values));
+
+        EXPECT_FLOAT_EQ(result[0], 1.0F);
+        EXPECT_FLOAT_EQ(result[1], 1.0F);
+    }
+} // namespace lms::math::centroidCalculatorTests