libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.plinear/get_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 piecewise_linear_distribution
  13
  14 // param_type param() const;
  15
  16 #include <random>
  17 #include <cassert>
  18
  19 #include "test_macros.h"
  20
  21 int main(int, char**)
  22 {
  23     {
  24         typedef std::piecewise_linear_distribution<> D;
  25         typedef D::param_type P;
  26         double b[] = {10, 14, 16, 17};
  27         double p[] = {25, 62.5, 12.5, 10};
  28         const std::size_t Np = sizeof(p) / sizeof(p[0]);
  29         P pa(b, b+Np, p);
  30         D d(pa);
  31         assert(d.param() == pa);
  32     }
  33
  34   return 0;
  35 }