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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include <random>
#include "../catch.hpp"
#include "rkcommon/utility/random.h"
using rkcommon::utility::pcg32_biased_float_distribution;
TEST_CASE("random", "[random]")
{
std::random_device rd;
std::default_random_engine e1(rd());
std::uniform_real_distribution<float> dist(-1000, 1000);
for (int iter = 0; iter < 1000; iter++) {
float lower = dist(e1);
float upper = dist(e1);
pcg32_biased_float_distribution osp_dist(iter, iter, lower, upper);
INFO("seed = " << iter << " lower = " << lower << " upper = " << upper);
if (lower > upper)
std::swap(lower, upper);
for (int i = 0; i < 1000; i++) {
float val = osp_dist();
INFO("val = " << val);
REQUIRE(val >= lower);
REQUIRE(val <= upper);
}
}
}
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