mirror of
https://github.com/mpusz/mp-units.git
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444 lines
11 KiB
C++
444 lines
11 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2018 Mateusz Pusz
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include "almost_equals.h"
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/matchers/catch_matchers_floating_point.hpp>
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#include <mp-units/compat_macros.h>
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#include <mp-units/ext/format.h>
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#ifdef MP_UNITS_IMPORT_STD
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import std;
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#else
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#include <sstream>
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#endif
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#ifdef MP_UNITS_MODULES
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import mp_units;
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#else
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#include <mp-units/cartesian_vector.h>
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#endif
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using namespace mp_units;
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using namespace Catch::Matchers;
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TEST_CASE("cartesian_vector operations", "[vector]")
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{
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SECTION("cartesian_vector initialization and access")
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{
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SECTION("no arguments")
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{
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cartesian_vector<double> v;
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REQUIRE(v[0] == 0);
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REQUIRE(v[1] == 0);
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REQUIRE(v[2] == 0);
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}
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SECTION("zero arguments")
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{
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cartesian_vector<double> v{};
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REQUIRE(v[0] == 0);
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REQUIRE(v[1] == 0);
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REQUIRE(v[2] == 0);
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}
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SECTION("one argument")
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{
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cartesian_vector v{1.0};
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REQUIRE(v[0] == 1.0);
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REQUIRE(v[1] == 0);
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REQUIRE(v[2] == 0);
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}
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SECTION("two arguments")
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{
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cartesian_vector v{1.0, 2.0};
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REQUIRE(v[0] == 1.0);
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REQUIRE(v[1] == 2.0);
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REQUIRE(v[2] == 0);
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}
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SECTION("all arguments")
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{
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cartesian_vector v{1.0, 2.0, 3.0};
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REQUIRE(v[0] == 1.0);
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REQUIRE(v[1] == 2.0);
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REQUIRE(v[2] == 3.0);
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}
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SECTION("convertible arguments")
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{
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cartesian_vector<double> v{1, 2, 3};
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REQUIRE(v[0] == 1.0);
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REQUIRE(v[1] == 2.0);
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REQUIRE(v[2] == 3.0);
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}
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}
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SECTION("convertibility from another vector")
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{
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cartesian_vector v1{1, 2, 3};
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SECTION("construction")
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{
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cartesian_vector<double> v2 = v1;
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REQUIRE(v2[0] == 1.0);
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REQUIRE(v2[1] == 2.0);
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REQUIRE(v2[2] == 3.0);
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}
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SECTION("assignment")
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{
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cartesian_vector<double> v2{3.0, 2.0, 1.0};
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v2 = v1;
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REQUIRE(v2[0] == 1.0);
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REQUIRE(v2[1] == 2.0);
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REQUIRE(v2[2] == 3.0);
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}
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}
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SECTION("cartesian_vector compound assignment addition")
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{
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cartesian_vector v1{1.0, 2.0, 3.0};
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cartesian_vector v2{4.0, 5.0, 6.0};
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v1 += v2;
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REQUIRE(v1[0] == 5.0);
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REQUIRE(v1[1] == 7.0);
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REQUIRE(v1[2] == 9.0);
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}
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SECTION("cartesian_vector compound assignment subtraction")
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{
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cartesian_vector v1{4.0, 5.0, 6.0};
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cartesian_vector v2{1.0, 2.0, 3.0};
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v1 -= v2;
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REQUIRE(v1[0] == 3.0);
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REQUIRE(v1[1] == 3.0);
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REQUIRE(v1[2] == 3.0);
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}
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SECTION("cartesian_vector compound assignment scalar multiplication")
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{
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cartesian_vector v{1.0, 2.0, 3.0};
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v *= 2.0;
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REQUIRE(v[0] == 2.0);
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REQUIRE(v[1] == 4.0);
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REQUIRE(v[2] == 6.0);
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}
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SECTION("cartesian_vector compound assignment scalar division")
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{
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cartesian_vector v{2.0, 4.0, 6.0};
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v /= 2.0;
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REQUIRE(v[0] == 1.0);
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REQUIRE(v[1] == 2.0);
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REQUIRE(v[2] == 3.0);
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}
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SECTION("cartesian_vector addition")
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{
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SECTION("double + double")
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{
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cartesian_vector v1{1.0, 2.0, 3.0};
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cartesian_vector v2{4.0, 5.0, 6.0};
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cartesian_vector result = v1 + v2;
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REQUIRE(result[0] == 5.0);
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REQUIRE(result[1] == 7.0);
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REQUIRE(result[2] == 9.0);
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}
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SECTION("double + int")
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{
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cartesian_vector v1{1.0, 2.0, 3.0};
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cartesian_vector v2{4, 5, 6};
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cartesian_vector result = v1 + v2;
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REQUIRE(result[0] == 5.0);
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REQUIRE(result[1] == 7.0);
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REQUIRE(result[2] == 9.0);
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}
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SECTION("int + double")
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{
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cartesian_vector v1{1, 2, 3};
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cartesian_vector v2{4.0, 5.0, 6.0};
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cartesian_vector result = v1 + v2;
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REQUIRE(result[0] == 5.0);
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REQUIRE(result[1] == 7.0);
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REQUIRE(result[2] == 9.0);
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}
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SECTION("int + int")
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{
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cartesian_vector v1{1, 2, 3};
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cartesian_vector v2{4, 5, 6};
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cartesian_vector result = v1 + v2;
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REQUIRE(result[0] == 5);
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REQUIRE(result[1] == 7);
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REQUIRE(result[2] == 9);
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}
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}
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SECTION("cartesian_vector subtraction")
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{
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SECTION("double - double")
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{
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cartesian_vector v1{4.0, 5.0, 6.0};
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cartesian_vector v2{1.0, 2.0, 3.0};
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cartesian_vector result = v1 - v2;
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REQUIRE(result[0] == 3.0);
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REQUIRE(result[1] == 3.0);
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REQUIRE(result[2] == 3.0);
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}
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SECTION("double - int")
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{
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cartesian_vector v1{4.0, 5.0, 6.0};
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cartesian_vector v2{1, 2, 3};
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cartesian_vector result = v1 - v2;
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REQUIRE(result[0] == 3.0);
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REQUIRE(result[1] == 3.0);
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REQUIRE(result[2] == 3.0);
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}
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SECTION("int - double")
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{
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cartesian_vector v1{4, 5, 6};
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cartesian_vector v2{1.0, 2.0, 3.0};
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cartesian_vector result = v1 - v2;
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REQUIRE(result[0] == 3.0);
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REQUIRE(result[1] == 3.0);
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REQUIRE(result[2] == 3.0);
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}
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SECTION("int - int")
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{
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cartesian_vector v1{4, 5, 6};
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cartesian_vector v2{1, 2, 3};
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cartesian_vector result = v1 - v2;
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REQUIRE(result[0] == 3);
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REQUIRE(result[1] == 3);
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REQUIRE(result[2] == 3);
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}
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}
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SECTION("cartesian_vector scalar multiplication")
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{
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SECTION("double * double")
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{
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cartesian_vector v{1.0, 2.0, 3.0};
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cartesian_vector result = v * 2.0;
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REQUIRE(result[0] == 2.0);
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REQUIRE(result[1] == 4.0);
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REQUIRE(result[2] == 6.0);
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}
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SECTION("double * int")
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{
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cartesian_vector v{1.0, 2.0, 3.0};
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cartesian_vector result = v * 2;
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REQUIRE(result[0] == 2.0);
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REQUIRE(result[1] == 4.0);
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REQUIRE(result[2] == 6.0);
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}
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SECTION("int * double")
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{
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cartesian_vector v{1, 2, 3};
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cartesian_vector result = v * 2.0;
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REQUIRE(result[0] == 2.0);
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REQUIRE(result[1] == 4.0);
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REQUIRE(result[2] == 6.0);
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}
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SECTION("int * int")
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{
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cartesian_vector v{1, 2, 3};
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cartesian_vector result = v * 2;
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REQUIRE(result[0] == 2);
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REQUIRE(result[1] == 4);
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REQUIRE(result[2] == 6);
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}
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}
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SECTION("cartesian_vector scalar division")
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{
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SECTION("double / double")
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{
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cartesian_vector v{2.0, 4.0, 6.0};
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cartesian_vector result = v / 2.0;
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REQUIRE(result[0] == 1.0);
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REQUIRE(result[1] == 2.0);
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REQUIRE(result[2] == 3.0);
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}
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SECTION("double / int")
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{
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cartesian_vector v{2.0, 4.0, 6.0};
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cartesian_vector result = v / 2;
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REQUIRE(result[0] == 1.0);
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REQUIRE(result[1] == 2.0);
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REQUIRE(result[2] == 3.0);
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}
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SECTION("int / double")
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{
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cartesian_vector v{2, 4, 6};
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cartesian_vector result = v / 2.0;
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REQUIRE(result[0] == 1.0);
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REQUIRE(result[1] == 2.0);
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REQUIRE(result[2] == 3.0);
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}
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SECTION("int / int")
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{
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cartesian_vector v{2, 4, 6};
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cartesian_vector result = v / 2;
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REQUIRE(result[0] == 1);
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REQUIRE(result[1] == 2);
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REQUIRE(result[2] == 3);
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}
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}
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SECTION("cartesian_vector magnitude")
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{
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cartesian_vector v1{3.0, 4.0, 0.0};
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cartesian_vector v2{2.0, 3.0, 6.0};
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REQUIRE(v1.magnitude() == 5.0);
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REQUIRE(v2.magnitude() == 7.0);
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}
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SECTION("cartesian_vector unit vector")
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{
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cartesian_vector v{3.0, 4.0, 0.0};
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cartesian_vector unit_v = v.unit();
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REQUIRE_THAT(unit_v.magnitude(), WithinULP(1.0, 1));
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}
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SECTION("cartesian_vector equality")
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{
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cartesian_vector v1{1.0, 2.0, 3.0};
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cartesian_vector v2{1, 2, 3};
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cartesian_vector v3{1.1, 2.0, 3.0};
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cartesian_vector v4{1.0, 2.1, 3.0};
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cartesian_vector v5{1.0, 2.0, 3.1};
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REQUIRE(v1 == v2);
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REQUIRE(v1 != v3);
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REQUIRE(v1 != v4);
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REQUIRE(v1 != v5);
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}
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SECTION("cartesian_vector scalar product")
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{
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SECTION("double * double")
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{
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cartesian_vector v1{1.0, 2.0, 3.0};
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cartesian_vector v2{4.0, 5.0, 6.0};
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REQUIRE(scalar_product(v1, v2) == 32.0);
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}
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SECTION("double * int")
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{
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cartesian_vector v1{1.0, 2.0, 3.0};
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cartesian_vector v2{4, 5, 6};
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REQUIRE(scalar_product(v1, v2) == 32.0);
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}
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SECTION("int * double")
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{
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cartesian_vector v1{1, 2, 3};
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cartesian_vector v2{4.0, 5.0, 6.0};
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REQUIRE(scalar_product(v1, v2) == 32.0);
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}
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SECTION("int * int")
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{
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cartesian_vector v1{1, 2, 3};
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cartesian_vector v2{4, 5, 6};
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REQUIRE(scalar_product(v1, v2) == 32);
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}
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}
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SECTION("cartesian_vector vector product")
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{
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SECTION("double * double")
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{
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cartesian_vector v1{1.0, 2.0, 3.0};
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cartesian_vector v2{4.0, 5.0, 6.0};
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cartesian_vector result = vector_product(v1, v2);
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REQUIRE(result[0] == -3.0);
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REQUIRE(result[1] == 6.0);
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REQUIRE(result[2] == -3.0);
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}
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SECTION("double * int")
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{
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cartesian_vector v1{1.0, 2.0, 3.0};
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cartesian_vector v2{4, 5, 6};
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cartesian_vector result = vector_product(v1, v2);
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REQUIRE(result[0] == -3.0);
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REQUIRE(result[1] == 6.0);
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REQUIRE(result[2] == -3.0);
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}
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SECTION("int * double")
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{
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cartesian_vector v1{1, 2, 3};
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cartesian_vector v2{4.0, 5.0, 6.0};
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cartesian_vector result = vector_product(v1, v2);
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REQUIRE(result[0] == -3.0);
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REQUIRE(result[1] == 6.0);
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REQUIRE(result[2] == -3.0);
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}
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SECTION("int * int")
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{
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cartesian_vector v1{1, 2, 3};
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cartesian_vector v2{4, 5, 6};
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cartesian_vector result = vector_product(v1, v2);
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REQUIRE(result[0] == -3);
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REQUIRE(result[1] == 6);
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REQUIRE(result[2] == -3);
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}
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}
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}
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TEST_CASE("cartesian_vector text output", "[vector][fmt][ostream]")
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{
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std::ostringstream os;
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SECTION("integral representation")
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{
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cartesian_vector v{1, 2, 3};
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os << v;
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SECTION("iostream") { CHECK(os.str() == "[1, 2, 3]"); }
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SECTION("fmt with default format {}") { CHECK(MP_UNITS_STD_FMT::format("{}", v) == os.str()); }
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}
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SECTION("floating-point representation")
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{
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cartesian_vector v{1.2, 2.3, 3.4};
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os << v;
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SECTION("iostream") { CHECK(os.str() == "[1.2, 2.3, 3.4]"); }
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SECTION("fmt with default format {}") { CHECK(MP_UNITS_STD_FMT::format("{}", v) == os.str()); }
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}
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}
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