diff options
Diffstat (limited to 'test/std/numerics/rand/rand.eng/rand.eng.sub/discard.pass.cpp')
-rw-r--r-- | test/std/numerics/rand/rand.eng/rand.eng.sub/discard.pass.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test/std/numerics/rand/rand.eng/rand.eng.sub/discard.pass.cpp b/test/std/numerics/rand/rand.eng/rand.eng.sub/discard.pass.cpp new file mode 100644 index 000000000000..4ba93819ee43 --- /dev/null +++ b/test/std/numerics/rand/rand.eng/rand.eng.sub/discard.pass.cpp @@ -0,0 +1,52 @@ +//===----------------------------------------------------------------------===// +// +// 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; + +// 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(); +} |