add test funcs
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1 changed files with 190 additions and 2 deletions
192
tests/test.cpp
192
tests/test.cpp
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#include "../s2ga.hpp"
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#include <catch2/catch_all.hpp>
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#include <catch2/catch_approx.hpp>
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#include <catch2/catch_test_macros.hpp>
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#include <iostream>
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#include <catch2/matchers/catch_matchers_range_equals.hpp>
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#include <cmath>
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#include <numbers>
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using namespace Catch;
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constexpr double TOLERANCE = 1e-4;
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inline double sphere(double x, double y)
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{
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return std::pow(x, 2.0) + std::pow(y, 2.0);
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}
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TEST_CASE("sphere(0, 0) = 0")
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{
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REQUIRE(sphere(0.0, 0.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double ackley(double x, double y)
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{
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return -20.0 * std::exp(-0.2 * std::sqrt(0.5 * sphere(x, y))) -
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std::exp(0.5 * (std::cos(2.0 * std::numbers::pi * x) +
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std::cos(2.0 * std::numbers::pi * y))) +
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std::numbers::e + 20.0;
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}
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TEST_CASE("ackley(0, 0) = 0")
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{
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REQUIRE(ackley(0.0, 0.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double rastrigin(double x, double y)
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{
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const double A = 10.0;
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return 2.0 * A +
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(std::pow(x, 2.0) - A * std::cos(2.0 * std::numbers::pi * x)) +
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(std::pow(y, 2.0) - A * std::cos(2.0 * std::numbers::pi * y));
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}
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TEST_CASE("rastrigin(0, 0) = 0")
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{
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REQUIRE(rastrigin(0.0, 0.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double rosenbrock(double x, double y)
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{
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return 100.0 * std::pow(y - std::pow(x, 2.0), 2.0) + std::pow(1.0 - x, 2.0);
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}
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TEST_CASE("rosenbrock(1, 1) = 0")
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{
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REQUIRE(rosenbrock(1.0, 1.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double bill(double x, double y)
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{
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return std::pow(1.5 - x + x * y, 2.0) +
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std::pow(2.25 - x + x * std::pow(y, 2.0), 2.0) +
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std::pow(2.625 - x + x * std::pow(y, 3.0), 2.0);
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}
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TEST_CASE("bill(3, 0.5) = 0")
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{
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REQUIRE(bill(3.0, 0.5) == Approx(0.0).margin(TOLERANCE));
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}
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inline double goldstein_price(double x, double y)
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{
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return (1.0 + std::pow(x + y + 1.0, 2.0) *
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(19.0 - 14.0 * x + 3.0 * std::pow(x, 2.0) - 14.0 * y +
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6.0 * x * y + 3.0 * std::pow(y, 2.0))) *
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(30.0 + std::pow(2.0 * x - 3.0 * y, 2.0) *
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(18.0 - 32.0 * x + 12.0 * std::pow(x, 2.0) + 48.0 * y -
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36.0 * x * y + 27.0 * std::pow(y, 2.0)));
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}
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TEST_CASE("goldstein_price(0, -1) = 3")
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{
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REQUIRE(goldstein_price(0.0, -1.0) == Approx(3.0).margin(TOLERANCE));
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}
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inline double booth(double x, double y)
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{
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return std::pow(x + 2.0 * y - 7.0, 2.0) + std::pow(2.0 * x + y - 5.0, 2.0);
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}
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TEST_CASE("booth(1, 3) = 0")
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{
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REQUIRE(booth(1.0, 3.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double bukin_n6(double x, double y)
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{
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return 100.0 * std::sqrt(std::abs(y - 0.01 * std::pow(x, 2.0))) +
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0.01 * std::abs(x + 10.0);
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}
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TEST_CASE("bukin_n6(-10, 1) = 0")
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{
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REQUIRE(bukin_n6(-10.0, 1.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double matyas(double x, double y)
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{
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return 0.26 * sphere(x, y) - 0.48 * x * y;
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}
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TEST_CASE("matyas(0, 0) = 0")
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{
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REQUIRE(matyas(0.0, 0.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double sin2(double x)
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{
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return std::pow(std::sin(x), 2.0);
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}
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inline double levi_n13(double x, double y)
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{
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return sin2(3.0 * std::numbers::pi * x) +
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std::pow(x - 1.0, 2.0) * (1.0 + sin2(3.0 * std::numbers::pi * y)) +
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std::pow(y - 1.0, 2.0) * (1.0 + sin2(2.0 * std::numbers::pi * y));
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}
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TEST_CASE("levi_n13(1, 1) = 0")
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{
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REQUIRE(levi_n13(1.0, 1.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double three_hump_camel(double x, double y)
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{
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return 2.0 * std::pow(x, 2.0) - 1.05 * std::pow(x, 4.0) +
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std::pow(x, 6.0) / 6.0 + x * y + std::pow(y, 2.0);
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}
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TEST_CASE("three_hump_camel(0, 0) = 0")
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{
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REQUIRE(three_hump_camel(0.0, 0.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double eggholder(double x, double y)
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{
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return -(y + 47.0) * std::sin(std::sqrt(std::abs(x / 2.0 + (y + 47.0)))) -
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x * std::sin(std::sqrt(std::abs(x - (y + 47.0))));
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}
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TEST_CASE("eggholder(512, 404.2319) = -959.6407")
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{
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REQUIRE(eggholder(512.0, 404.2319) == Approx(-959.6407).margin(TOLERANCE));
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}
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inline double mccormick(double x, double y)
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{
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return std::sin(x + y) + std::pow(x - y, 2.0) - 1.5 * x + 2.5 * y + 1.0;
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}
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TEST_CASE("mccormick(-0.54719, -1.54719) = -1.9133")
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{
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REQUIRE(mccormick(-0.54719, -1.54719) == Approx(-1.9133).margin(TOLERANCE));
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}
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inline double schaffer_n2(double x, double y)
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{
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return 0.5 + (sin2(std::pow(x, 2.0) - std::pow(y, 2.0)) - 0.5) /
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std::pow(1.0 + 0.001 * sphere(x, y), 2.0);
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}
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TEST_CASE("schaffer_n2(0, 0) = 0")
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{
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REQUIRE(schaffer_n2(0.0, 0.0) == Approx(0.0).margin(TOLERANCE));
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}
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inline double cos2(double x)
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{
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return std::pow(std::cos(x), 2.0);
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}
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inline double schaffer_n4(double x, double y)
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{
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return 0.5 +
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(cos2(std::sin(std::abs(std::pow(x, 2.0) - std::pow(y, 2.0)))) -
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0.5) /
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std::pow(1.0 + 0.001 * sphere(x, y), 2.0);
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}
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TEST_CASE("schaffer_n4(0, 1.25313) = 0.292579")
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{
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REQUIRE(schaffer_n4(0.0, 1.25313) == Approx(0.292579).margin(TOLERANCE));
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}
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TEST_CASE("Should pass")
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{
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std::cout << "HI" << std::endl;
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REQUIRE_NOTHROW(foo());
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}
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