forked from OSchip/llvm-project
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <random>
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// template<class Engine, size_t w, class UIntType>
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// class independent_bits_engine
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// template<class Sseq> explicit independent_bits_engine(Sseq& q);
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#include <random>
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#include <sstream>
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#include <cassert>
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void
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test1()
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{
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const char* a = "13604817 711567 9760686 13278398 3323440 175548 5553651 "
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"3028863 10748297 2216688 275779 14778841 14438394 9483441 4229545 "
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"14657301 12636508 15978210 1653340 1718567 9272421 14302862 7940348 "
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"889045 0 0";
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unsigned as[] = {3, 5, 7};
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std::seed_seq sseq(as, as+3);
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std::independent_bits_engine<std::ranlux24, 32, unsigned> e1(sseq);
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std::ostringstream os;
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os << e1;
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assert(os.str() == a);
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}
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void
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test2()
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{
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const char* a = "241408498702289 172342669275054 191026374555184 "
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"61020585639411 231929771458953 142769679250755 198672786411514 "
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"183712717244841 227473912549724 62843577252444 68782400568421 "
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"159248704678140 0 0";
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unsigned as[] = {3, 5, 7};
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std::seed_seq sseq(as, as+3);
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std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e1(sseq);
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std::ostringstream os;
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os << e1;
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assert(os.str() == a);
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}
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int main()
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{
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test1();
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test2();
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}
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