cxx/test/numerics/rand/rand.eng/rand.eng.sub/discard.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

53 lines
954 B
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <random>
// template<class UIntType, size_t w, size_t s, size_t r>
// class subtract_with_carry_engine;
// void discard(unsigned long long z);
#include <random>
#include <cassert>
void
test1()
{
std::ranlux24_base e1;
std::ranlux24_base e2 = e1;
assert(e1 == e2);
e1.discard(3);
assert(e1 != e2);
e2();
e2();
e2();
assert(e1 == e2);
}
void
test2()
{
std::ranlux48_base e1;
std::ranlux48_base e2 = e1;
assert(e1 == e2);
e1.discard(3);
assert(e1 != e2);
e2();
e2();
e2();
assert(e1 == e2);
}
int main()
{
test1();
test2();
}