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Add index statistics for better query planning (#812)

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This commit is contained in:
Josipmrden
2023-03-30 15:34:34 +02:00
committed by GitHub
parent 0819b40202
commit 398503da7a
34 changed files with 852 additions and 53 deletions
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29
tests/unit/utils_math.cpp
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@@ -1,4 +1,4 @@
// Copyright 2022 Memgraph Ltd.
// Copyright 2023 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -10,6 +10,7 @@
// licenses/APL.txt.
#include <cmath>
#include <limits>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
@@ -21,3 +22,29 @@ TEST(UtilsMath, Log2) {
ASSERT_EQ(memgraph::utils::Log2(i), static_cast<uint64_t>(log2(i)));
}
}
TEST(UtilsMath, EqualFloat) {
ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2f, 0.2f));
ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2f, 0.199999999999f));
ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2f, 0.200000000001f));
ASSERT_FALSE(memgraph::utils::ApproxEqualDecimal(0.2f, 0.19995f));
}
TEST(UtilsMath, EqualDouble) {
ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2, 0.2));
ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2, 0.19999999999999999999));
ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2, 0.20000000000000000001));
ASSERT_FALSE(memgraph::utils::ApproxEqualDecimal(0.2, 0.19995));
}
TEST(UtilsMath, LessThan) {
ASSERT_TRUE(memgraph::utils::LessThanDecimal(0.2, 0.3));
ASSERT_TRUE(memgraph::utils::LessThanDecimal(0.2, 0.20001));
}
TEST(UtilsMath, ChiSquared) {
ASSERT_EQ(std::numeric_limits<double>::max(), memgraph::utils::ChiSquaredValue(2.0, 0.0));
ASSERT_DOUBLE_EQ(0.0, memgraph::utils::ChiSquaredValue(2.0, 2.0));
ASSERT_DOUBLE_EQ(1.0, memgraph::utils::ChiSquaredValue(2.0, 1.0));
ASSERT_DOUBLE_EQ(1. / 3., memgraph::utils::ChiSquaredValue(4.0, 3.0));
}