-/* Copyright (c) 2019-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2019-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include "src/include/catch.hpp"
+#include "src/3rd-party/catch.hpp"
#include "xbt/log.h"
#include "xbt/random.hpp"
-#include <random>
#include <cmath>
+#include <random>
#define EpsilonApprox(a) Catch::Matchers::WithinAbs((a), 100 * std::numeric_limits<double>::epsilon())
{
SECTION("Using XBT_RNG_xbt")
{
+ simgrid::xbt::random::set_implem_xbt();
simgrid::xbt::random::set_mersenne_seed(12345);
REQUIRE_THAT(simgrid::xbt::random::exponential(25), EpsilonApprox(0.00291934351538427348));
REQUIRE(simgrid::xbt::random::uniform_int(1, 6) == 4);
REQUIRE_THAT(simgrid::xbt::random::uniform_real(0, 1), EpsilonApprox(0.31637556043369124970));
REQUIRE_THAT(simgrid::xbt::random::normal(0, 2), EpsilonApprox(1.62746784745133976635));
+
+ constexpr int imin = std::numeric_limits<int>::min();
+ constexpr int imax = std::numeric_limits<int>::max();
+ REQUIRE(simgrid::xbt::random::uniform_int(0, 0) == 0);
+ REQUIRE(simgrid::xbt::random::uniform_int(imin, imin) == imin);
+ REQUIRE(simgrid::xbt::random::uniform_int(imax, imax) == imax);
+
+ REQUIRE(simgrid::xbt::random::uniform_int(-6, -1) == -3);
+ REQUIRE(simgrid::xbt::random::uniform_int(-10, 10) == 7);
+ REQUIRE(simgrid::xbt::random::uniform_int(imin, 2) == -163525263);
+ REQUIRE(simgrid::xbt::random::uniform_int(-2, imax) == 1605979225);
+ REQUIRE(simgrid::xbt::random::uniform_int(imin, imax) == 659577591);
}
SECTION("Using XBT_RNG_std")
simgrid::xbt::random::set_implem_std();
simgrid::xbt::random::set_mersenne_seed(12345);
- std::exponential_distribution<> distA(25);
- std::uniform_int_distribution<> distB(1, 6);
- std::uniform_real_distribution<> distC(0, 1);
- std::normal_distribution<> distD(0, 2);
+ std::exponential_distribution distA(25.0);
+ std::uniform_int_distribution distB(1, 6);
+ std::uniform_real_distribution distC(0.0, 1.0);
+ std::normal_distribution distD(0.0, 2.0);
REQUIRE_THAT(simgrid::xbt::random::exponential(25), EpsilonApprox(distA(gen)));
REQUIRE(simgrid::xbt::random::uniform_int(1, 6) == distB(gen));