libcxx initial import

llvm-svn: 103490

1 files changed, 55 insertions, 0 deletions

diff --git a/libcxx/test/numerics/rand/rand.eng/rand.eng.sub/ctor_sseq.pass.cpp b/libcxx/test/numerics/rand/rand.eng/rand.eng.sub/ctor_sseq.pass.cpp
new file mode 100644
index 00000000000..44261a06354
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.eng/rand.eng.sub/ctor_sseq.pass.cpp
@@ -0,0 +1,55 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe 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;
+
+// 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();
+}