libstdc++-v3/testsuite/26_numerics/random/linear_congruential_engine/requirements/non_uint_neg.cc

   1 //
   2 // 2008-11-24  Edward M. Smith-Rowland <3dw4rd@verizon.net>
   3 //
   4 // Copyright (C) 2008-2023 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // { dg-do compile { target c++11 } }
  22 // { dg-require-cstdint "" }
  23 // { dg-error "not a valid type" "" { target { ! c++20 } } 31 }
  24 // { dg-error "from 'int' to 'double'" "" { target c++20 } 31 }
  25
  26 // 26.4.3.1 class template linear_congruential_engine [rand.eng.lcong]
  27 // 26.4.2.2 Concept RandomNumberEngine [rand.concept.eng]
  28
  29 #include <random>
  30
  31 std::linear_congruential_engine<double, 48271, 0, 2147483647> x;