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 Engine, size_t p, size_t r> 12 // class discard_block_engine 13 14 // template<class Sseq> explicit discard_block_engine(Sseq& q); 15 16 // Serializing/deserializing the state of the RNG requires iostreams 17 // UNSUPPORTED: libcpp-has-no-localization 18 19 #include <random> 20 #include <sstream> 21 #include <cassert> 22 23 #include "test_macros.h" 24 25 void 26 test1() 27 { 28 const char* a = "13604817 711567 9760686 13278398 3323440 175548 5553651 " 29 "3028863 10748297 2216688 275779 14778841 14438394 9483441 4229545 " 30 "14657301 12636508 15978210 1653340 1718567 9272421 14302862 7940348 " 31 "889045 0 0"; 32 unsigned as[] = {3, 5, 7}; 33 std::seed_seq sseq(as, as+3); 34 std::ranlux24 e1(sseq); 35 std::ostringstream os; 36 os << e1; 37 assert(os.str() == a); 38 } 39 40 void 41 test2() 42 { 43 const char* a = "241408498702289 172342669275054 191026374555184 " 44 "61020585639411 231929771458953 142769679250755 198672786411514 " 45 "183712717244841 227473912549724 62843577252444 68782400568421 " 46 "159248704678140 0 0"; 47 unsigned as[] = {3, 5, 7}; 48 std::seed_seq sseq(as, as+3); 49 std::ranlux48 e1(sseq); 50 std::ostringstream os; 51 os << e1; 52 assert(os.str() == a); 53 } 54 55 int main(int, char**) 56 { 57 test1(); 58 test2(); 59 60 return 0; 61 } 62