Fix a couple of bugs in linear_congruential_engine::seed. Regression test added.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@182421 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-21 21:05:12 +00:00
parent a71a952634
commit 8f72d5ce16
2 changed files with 11 additions and 3 deletions
--- a/test/numerics/rand/rand.eng/rand.eng.lcong/seed_sseq.pass.cpp
+++ b/test/numerics/rand/rand.eng/rand.eng.lcong/seed_sseq.pass.cpp
@@ -28,4 +28,12 @@ int main()
        e1.seed(sseq);
        assert(e1 == e2);
    }
+    {
+        unsigned a[] = {3, 5, 7, 9, 11};
+        std::seed_seq sseq(a, a+5);
+        typedef std::linear_congruential_engine<unsigned long long, 1, 1, 0x200000001ULL> E;
+        E e1(4309005589);
+        E e2(sseq);
+        assert(e1 == e2);
+    }
 }