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/*
* (C) Copyright 1996- ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
* In applying this licence, ECMWF does not waive the privileges and immunities
* granted to it by virtue of its status as an intergovernmental organisation nor
* does it submit to any jurisdiction.
*/
#include "eckit/geometry/Point2.h"
#include "eckit/geometry/Point3.h"
#include "eckit/testing/Test.h"
using namespace std;
using namespace eckit;
using namespace eckit::testing;
using namespace eckit::geometry;
namespace eckit::test {
CASE("Inits to Zero") {
Point2 q;
EXPECT(q[XX] == 0.);
EXPECT(q[YY] == 0.);
}
CASE("Inits to Array/Point") {
Point2 q = {4.0, 5.0};
EXPECT(q[XX] == 4.0);
EXPECT(q[YY] == 5.0);
EXPECT(q[LON] == 4.0);
EXPECT(q[LAT] == 5.0);
Point2 r(q);
EXPECT(r[XX] == 4.0);
EXPECT(r[YY] == 5.0);
Point3 p = {1.0, 2.0, 3.0};
Point3 s(p);
EXPECT(s[XX] == 1.0);
EXPECT(s[YY] == 2.0);
EXPECT(s[ZZ] == 3.0);
}
CASE("Point2 addition") {
Point2 p1 = {1.0, 2.0};
Point2 p2 = {2.0, 4.0};
Point2 r = p1 + p2;
EXPECT(r[XX] == 3.0);
EXPECT(r[YY] == 6.0);
}
CASE("Point2 subtraction") {
Point2 p1 = {2.0, 5.0};
Point2 p2 = {1.0, 2.0};
Point2 r = p1 - p2;
EXPECT(r[XX] == 1.0);
EXPECT(r[YY] == 3.0);
}
CASE("Point2 scaling") {
Point2 p1 = {1.0, 2.0};
Point2 p2(p1);
Point2 r = p1 * 42.0;
EXPECT(r[XX] == 42.0);
EXPECT(r[YY] == 84.0);
Point2 oo;
Point2 p3 = p2 * 2.0;
Point2 p4 = p3 + p2;
Point2 p5 = p4 - p2 * 3;
EXPECT(p5 == oo);
}
CASE("Point2 equality") {
Point2 p1 = {1.0, 2.0};
Point2 p2 = {1.0, 2.0};
EXPECT(p1 == p2);
}
CASE("Point2 inequality") {
Point2 p1 = {1.0, 3.0};
Point2 p2 = {1.0, 4.0};
EXPECT(p1 != p2);
}
CASE("Point2 comparison") {
Point2 p1 = {2.0, 1.0};
Point2 p2 = {1.0, 2.0};
EXPECT(p2 < p1);
}
CASE("Point distance comparison") {
Point2 p1 = {2.0, 1.0};
Point2 p2 = {1.0, 2.0};
EXPECT(types::is_approximately_equal(sqrt(2.0), p1.distance(p2)));
Point2 p3 = {5.0, 5.0};
EXPECT(types::is_approximately_equal(p1.distance(p3), 5.0));
}
CASE("Point distance2 comparison") {
Point2 p1 = {2.0, 1.0};
Point2 p2 = {1.0, 2.0};
EXPECT(types::is_approximately_equal(p1.distance2(p2), 2.0));
Point2 p3 = {5.0, 5.0};
EXPECT(types::is_approximately_equal(p1.distance2(p3), 25.0));
}
CASE("Point3 cross") {
Point3 p1 = {1.0, 0.0, 0.0};
Point3 p2 = {0.0, 1.0, 0.0};
Point3 p3 = {0.0, 0.0, 1.0};
EXPECT(p3 == Point3::cross(p1, p2));
EXPECT(p1 == Point3::cross(p2, p3));
Point3 p4 = {1.0, 2.0, 3.0};
Point3 p5 = {-1.0, -2.0, 4.0};
Point3 p6 = {2.0, -1.0, 0.0};
Point3 p7 = Point3::normalize(Point3::cross(p4, p5));
Point3 p8 = Point3::normalize(p6);
EXPECT(types::is_approximately_equal(p7[XX], p8[XX]));
EXPECT(types::is_approximately_equal(p7[YY], p8[YY]));
EXPECT(types::is_approximately_equal(p7[ZZ], p8[ZZ]));
}
} // namespace eckit::test
//----------------------------------------------------------------------------------------------------------------------
int main(int argc, char** argv) {
return run_tests(argc, argv);
}
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