diff options
Diffstat (limited to 'libcxx/test/std/numerics/rand/rand.eng/rand.eng.mers/seed_sseq.pass.cpp')
-rw-r--r-- | libcxx/test/std/numerics/rand/rand.eng/rand.eng.mers/seed_sseq.pass.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libcxx/test/std/numerics/rand/rand.eng/rand.eng.mers/seed_sseq.pass.cpp b/libcxx/test/std/numerics/rand/rand.eng/rand.eng.mers/seed_sseq.pass.cpp new file mode 100644 index 00000000000..33292a041af --- /dev/null +++ b/libcxx/test/std/numerics/rand/rand.eng/rand.eng.mers/seed_sseq.pass.cpp @@ -0,0 +1,50 @@ +//===----------------------------------------------------------------------===// +// +// 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 n, size_t m, size_t r, +// UIntType a, size_t u, UIntType d, size_t s, +// UIntType b, size_t t, UIntType c, size_t l, UIntType f> +// class mersenne_twister_engine; + +// template<class Sseq> void seed(Sseq& q); + +#include <random> +#include <cassert> + +void +test1() +{ + unsigned a[] = {3, 5, 7}; + std::seed_seq sseq(a, a+3); + std::mt19937 e1; + std::mt19937 e2(sseq); + assert(e1 != e2); + e1.seed(sseq); + assert(e1 == e2); +} + +void +test2() +{ + unsigned a[] = {3, 5, 7}; + std::seed_seq sseq(a, a+3); + std::mt19937_64 e1; + std::mt19937_64 e2(sseq); + assert(e1 != e2); + e1.seed(sseq); + assert(e1 == e2); +} + +int main() +{ + test1(); + test2(); +} |