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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// SPDX-FileCopyrightText: 2021 - 2025 Kohei Yoshida
//
// SPDX-License-Identifier: MIT
#include "test_global.hpp" // This must be the first header to be included.
#include "test_global_rtree.hpp"
using mdds::rtree;
using std::cout;
using std::endl;
void rtree_test_square_distance()
{
MDDS_TEST_FUNC_SCOPE;
using mdds::detail::rtree::calc_square_distance;
{
// 1 dimensional unsigned
using rt_type = rtree<uint16_t, std::string, tiny_trait_1d>;
using point_type = rt_type::point_type;
struct test_case
{
point_type p1;
point_type p2;
uint16_t expected;
};
std::vector<test_case> tcs = {
{{3}, {5}, 4},
{{9}, {2}, 49},
{{0}, {0}, 0},
};
for (const test_case& tc : tcs)
{
cout << "p1: " << tc.p1.to_string() << "; p2: " << tc.p2.to_string() << endl;
uint16_t dist = calc_square_distance<point_type>(tc.p1, tc.p2);
TEST_ASSERT(dist == tc.expected);
// Flip the value to make sure we still get the same result.
dist = calc_square_distance<point_type>(tc.p2, tc.p1);
TEST_ASSERT(dist == tc.expected);
}
}
{
// 2 dimensional unsigned
using rt_type = rtree<uint16_t, std::string, tiny_trait_2d>;
using point_type = rt_type::point_type;
struct test_case
{
point_type p1;
point_type p2;
uint16_t expected;
};
std::vector<test_case> tcs = {
{{0, 0}, {0, 0}, 0},
{{0, 0}, {1, 1}, 2},
{{0, 0}, {2, 2}, 8},
{{3, 0}, {0, 4}, 25},
};
for (const test_case& tc : tcs)
{
cout << "p1: " << tc.p1.to_string() << "; p2: " << tc.p2.to_string() << endl;
uint16_t dist = calc_square_distance<point_type>(tc.p1, tc.p2);
TEST_ASSERT(dist == tc.expected);
// Flip the value to make sure we still get the same result.
dist = calc_square_distance<point_type>(tc.p2, tc.p1);
TEST_ASSERT(dist == tc.expected);
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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