text: // Copyright 2009-2019 Intel Corporation
  // SPDX-License-Identifier: Apache-2.0
  
  #include <random>
  #include "../catch.hpp"
  #include "ospcommon/utility/random.h"
  
  using ospcommon::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);
      }
    }
  }