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Audio similarity engine: optimized release and artists matching

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This commit is contained in:
emeric
2026-06-04 23:13:38 +02:00
parent 7ef19e4c06
commit 59b710ea37
4 changed files with 135 additions and 119 deletions
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src/libs/math/test/MedoidCalculator.cpp
+13 -34
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@@ -40,12 +40,7 @@ namespace lms::math::medoidCalculatorTests
EXPECT_FALSE(calculator.empty());
EXPECT_EQ(calculator.count(), 1U);
EXPECT_EQ(calculator.findMedoidIndex(), 0U);
const Vector<3, float> result = calculator.finalize();
EXPECT_EQ(result[0], 1.0F);
EXPECT_EQ(result[1], 2.0F);
EXPECT_EQ(result[2], 3.0F);
EXPECT_EQ(calculator.finalize(), &vec);
}
TEST(MedoidCalculator, twoVectors)
@@ -58,9 +53,9 @@ namespace lms::math::medoidCalculatorTests
calculator.add(v2);
EXPECT_EQ(calculator.count(), 2U);
// Both have equal distance to the other, but first one is returned
const std::size_t medoidIndex = calculator.findMedoidIndex();
EXPECT_TRUE(medoidIndex == 0 || medoidIndex == 1);
// Both have equal distance to the other; result must be one of the two
const Vector<2, float>* medoid = calculator.finalize();
EXPECT_TRUE(medoid == &v1 || medoid == &v2);
}
TEST(MedoidCalculator, threeDifferentVectors)
@@ -68,16 +63,14 @@ namespace lms::math::medoidCalculatorTests
MedoidCalculator<Vector<2, float>> calculator;
// Three points: (0,0), (1,0), (10,0)
// Medoid should be (1,0) as it's closest to the others
calculator.add(Vector<2, float>{ 0.0F, 0.0F });
calculator.add(Vector<2, float>{ 1.0F, 0.0F });
calculator.add(Vector<2, float>{ 10.0F, 0.0F });
const Vector<2, float> v0{ 0.0F, 0.0F };
const Vector<2, float> v1{ 1.0F, 0.0F };
const Vector<2, float> v2{ 10.0F, 0.0F };
calculator.add(v0);
calculator.add(v1);
calculator.add(v2);
const std::size_t medoidIndex = calculator.findMedoidIndex();
EXPECT_EQ(medoidIndex, 1U); // The middle point (1,0) is the medoid
const Vector<2, float> result = calculator.finalize();
EXPECT_FLOAT_EQ(result[0], 1.0F);
EXPECT_FLOAT_EQ(result[1], 0.0F);
EXPECT_EQ(calculator.finalize(), &v1);
}
TEST(MedoidCalculator, computeMedoidSpan)
@@ -94,25 +87,11 @@ namespace lms::math::medoidCalculatorTests
EXPECT_FLOAT_EQ(result[1], 0.0F);
}
TEST(MedoidCalculator, getVector)
{
MedoidCalculator<Vector<2, float>> calculator;
calculator.add(Vector<2, float>{ 1.0F, 2.0F });
calculator.add(Vector<2, float>{ 3.0F, 4.0F });
const Vector<2, float>& v0 = calculator.getVector(0U);
const Vector<2, float>& v1 = calculator.getVector(1U);
EXPECT_FLOAT_EQ(v0[0], 1.0F);
EXPECT_FLOAT_EQ(v0[1], 2.0F);
EXPECT_FLOAT_EQ(v1[0], 3.0F);
EXPECT_FLOAT_EQ(v1[1], 4.0F);
}
TEST(MedoidCalculator, clear)
{
MedoidCalculator<Vector<2, float>> calculator;
calculator.add(Vector<2, float>{ 1.0F, 2.0F });
const Vector<2, float> v{ 1.0F, 2.0F };
calculator.add(v);
EXPECT_EQ(calculator.count(), 1);
calculator.clear();
EXPECT_EQ(calculator.count(), 0);