51 lines
1.9 KiB
C++
51 lines
1.9 KiB
C++
// Copyright 2023 Memgraph Ltd.
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//
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// Use of this software is governed by the Business Source License
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// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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// License, and you may not use this file except in compliance with the Business Source License.
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//
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// As of the Change Date specified in that file, in accordance with
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// the Business Source License, use of this software will be governed
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// by the Apache License, Version 2.0, included in the file
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// licenses/APL.txt.
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#include <cmath>
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#include <limits>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include "utils/math.hpp"
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TEST(UtilsMath, Log2) {
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for (uint64_t i = 1; i < 1000000; ++i) {
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ASSERT_EQ(memgraph::utils::Log2(i), static_cast<uint64_t>(log2(i)));
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}
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}
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TEST(UtilsMath, EqualFloat) {
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ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2f, 0.2f));
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ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2f, 0.199999999999f));
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ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2f, 0.200000000001f));
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ASSERT_FALSE(memgraph::utils::ApproxEqualDecimal(0.2f, 0.19995f));
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}
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TEST(UtilsMath, EqualDouble) {
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ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2, 0.2));
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ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2, 0.19999999999999999999));
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ASSERT_TRUE(memgraph::utils::ApproxEqualDecimal(0.2, 0.20000000000000000001));
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ASSERT_FALSE(memgraph::utils::ApproxEqualDecimal(0.2, 0.19995));
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}
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TEST(UtilsMath, LessThan) {
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ASSERT_TRUE(memgraph::utils::LessThanDecimal(0.2, 0.3));
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ASSERT_TRUE(memgraph::utils::LessThanDecimal(0.2, 0.20001));
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}
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TEST(UtilsMath, ChiSquared) {
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ASSERT_EQ(std::numeric_limits<double>::max(), memgraph::utils::ChiSquaredValue(2.0, 0.0));
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ASSERT_DOUBLE_EQ(0.0, memgraph::utils::ChiSquaredValue(2.0, 2.0));
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ASSERT_DOUBLE_EQ(1.0, memgraph::utils::ChiSquaredValue(2.0, 1.0));
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ASSERT_DOUBLE_EQ(1. / 3., memgraph::utils::ChiSquaredValue(4.0, 3.0));
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}
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