diff options
Diffstat (limited to 'searchlib/src/tests/tensor/distance_functions/distance_functions_test.cpp')
| -rw-r--r-- | searchlib/src/tests/tensor/distance_functions/distance_functions_test.cpp | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/searchlib/src/tests/tensor/distance_functions/distance_functions_test.cpp b/searchlib/src/tests/tensor/distance_functions/distance_functions_test.cpp index 283a38ec95d..7d0f741e362 100644 --- a/searchlib/src/tests/tensor/distance_functions/distance_functions_test.cpp +++ b/searchlib/src/tests/tensor/distance_functions/distance_functions_test.cpp @@ -45,32 +45,53 @@ TEST(DistanceFunctionsTest, gives_expected_score) std::vector<double> p3{0.0, 0.0, 1.0}; std::vector<double> p4{0.5, 0.5, 0.707107}; std::vector<double> p5{0.0,-1.0, 0.0}; + std::vector<double> p6{1.0, 2.0, 2.0}; double n4 = euclid->calc(t(p0), t(p4)); - EXPECT_GT(n4, 0.99999); - EXPECT_LT(n4, 1.00001); + EXPECT_FLOAT_EQ(n4, 1.0); double d12 = euclid->calc(t(p1), t(p2)); EXPECT_EQ(d12, 2.0); + EXPECT_DOUBLE_EQ(euclid->to_rawscore(d12), 1.0/(1.0 + sqrt(2.0))); + constexpr double pi = 3.14159265358979323846; double a12 = angular->calc(t(p1), t(p2)); double a13 = angular->calc(t(p1), t(p3)); double a23 = angular->calc(t(p2), t(p3)); - EXPECT_DOUBLE_EQ(a12, 0.5); - EXPECT_DOUBLE_EQ(a13, 0.5); - EXPECT_DOUBLE_EQ(a23, 0.5); + EXPECT_DOUBLE_EQ(a12, 1.0); + EXPECT_DOUBLE_EQ(a13, 1.0); + EXPECT_DOUBLE_EQ(a23, 1.0); + EXPECT_FLOAT_EQ(angular->to_rawscore(a12), 1.0/(1.0 + pi/2)); + double a14 = angular->calc(t(p1), t(p4)); double a24 = angular->calc(t(p2), t(p4)); - EXPECT_FLOAT_EQ(a14, 0.25); - EXPECT_FLOAT_EQ(a24, 0.25); + EXPECT_FLOAT_EQ(a14, 0.5); + EXPECT_FLOAT_EQ(a24, 0.5); + EXPECT_FLOAT_EQ(angular->to_rawscore(a14), 1.0/(1.0 + pi/3)); + double a34 = angular->calc(t(p3), t(p4)); - EXPECT_FLOAT_EQ(a34, (1.0 - 0.707107)*0.5); + EXPECT_FLOAT_EQ(a34, (1.0 - 0.707107)); + EXPECT_FLOAT_EQ(angular->to_rawscore(a34), 1.0/(1.0 + pi/4)); double a25 = angular->calc(t(p2), t(p5)); - EXPECT_DOUBLE_EQ(a25, 1.0); + EXPECT_DOUBLE_EQ(a25, 2.0); + EXPECT_FLOAT_EQ(angular->to_rawscore(a25), 1.0/(1.0 + pi)); double a44 = angular->calc(t(p4), t(p4)); EXPECT_GE(a44, 0.0); EXPECT_LT(a44, 0.000001); + EXPECT_FLOAT_EQ(angular->to_rawscore(a44), 1.0); + + double a66 = angular->calc(t(p6), t(p6)); + EXPECT_GE(a66, 0.0); + EXPECT_LT(a66, 0.000001); + EXPECT_FLOAT_EQ(angular->to_rawscore(a66), 1.0); + + double a16 = angular->calc(t(p1), t(p6)); + double a26 = angular->calc(t(p2), t(p6)); + double a36 = angular->calc(t(p3), t(p6)); + EXPECT_FLOAT_EQ(a16, 1.0 - (1.0/3.0)); + EXPECT_FLOAT_EQ(a26, 1.0 - (2.0/3.0)); + EXPECT_FLOAT_EQ(a36, 1.0 - (2.0/3.0)); double i12 = innerproduct->calc(t(p1), t(p2)); double i13 = innerproduct->calc(t(p1), t(p3)); |