libcxx/test/std/numerics/rand/rand.dist/rand.dist.pois/rand.dist.pois.exp/ctor_param.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <random>
  10
  11 // template<class RealType = double>
  12 // class exponential_distribution
  13
  14 // explicit exponential_distribution(const param_type& parm);
  15
  16 #include <random>
  17 #include <cassert>
  18
  19 #include "test_macros.h"
  20
  21 int main(int, char**)
  22 {
  23     {
  24         typedef std::exponential_distribution<> D;
  25         typedef D::param_type P;
  26         P p(0.25);
  27         D d(p);
  28         assert(d.lambda() == 0.25);
  29     }
  30
  31   return 0;
  32 }