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libcxx/test/std/numerics/rand/rand.eng/rand.eng.sub/ctor_sseq.pass.cpp

56 lines
1.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class UIntType, size_t w, size_t s, size_t r>
// class subtract_with_carry_engine;
// template<class Sseq> explicit subtract_with_carry_engine(Sseq& q);
#include <random>
#include <sstream>
#include <cassert>
void
test1()
{
const char* a = "13604817 711567 9760686 13278398 3323440 175548 5553651 "
"3028863 10748297 2216688 275779 14778841 14438394 9483441 4229545 "
"14657301 12636508 15978210 1653340 1718567 9272421 14302862 7940348 "
"889045 0";
unsigned as[] = {3, 5, 7};
std::seed_seq sseq(as, as+3);
std::ranlux24_base e1(sseq);
std::ostringstream os;
os << e1;
assert(os.str() == a);
}
void
test2()
{
const char* a = "241408498702289 172342669275054 191026374555184 "
"61020585639411 231929771458953 142769679250755 198672786411514 "
"183712717244841 227473912549724 62843577252444 68782400568421 "
"159248704678140 0";
unsigned as[] = {3, 5, 7};
std::seed_seq sseq(as, as+3);
std::ranlux48_base e1(sseq);
std::ostringstream os;
os << e1;
assert(os.str() == a);
}
int main()
{
test1();
test2();
}