BD_Integratoren/C++/test/test_Simulation.cpp
2021-10-27 22:00:24 +02:00

28 lines
706 B
C++

//
// Created by jholder on 22.10.21.
//
#include <catch2/catch.hpp>
#include "Simulation.h"
TEST_CASE("Simulation") {
auto sim = Simulation(1, 0);
REQUIRE(sim.getSTD() == sqrt(1 * 2.0));
SECTION("Symmetrie") {
constexpr int num = 10000000;
double sum = 0.0;
for (int i = 0; i < num; ++i) {
sum += sim.getNorm(1);
}
CHECK(sum / num == Catch::Detail::Approx(0.0).margin(0.001));
}
SECTION("STD") {
constexpr int num = 10000000;
double sum = 0.0;
for (int i = 0; i < num; ++i) {
sum += pow(sim.getNorm(1), 2);
}
CHECK(sum / num == Catch::Detail::Approx(1.0).margin(0.001));
}
}