[rand.dist.pois.extreme]

llvm-svn: 103942

18 files changed, 914 insertions, 0 deletions

diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/assign.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/assign.pass.cpp
new file mode 100644
index 00000000000..c8d41c6dded
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/assign.pass.cpp
@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// extreme_value_distribution& operator=(const extreme_value_distribution&);
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+    typedef std::extreme_value_distribution<> D;
+    D d1(.5, 2);
+    D d2;
+    assert(d1 != d2);
+    d2 = d1;
+    assert(d1 == d2);
+}
+
+int main()
+{
+    test1();
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/copy.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/copy.pass.cpp
new file mode 100644
index 00000000000..2ee785bf0bd
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/copy.pass.cpp
@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// extreme_value_distribution(const extreme_value_distribution&);
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+    typedef std::extreme_value_distribution<> D;
+    D d1(.5, 1.75);
+    D d2 = d1;
+    assert(d1 == d2);
+}
+
+int main()
+{
+    test1();
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_double_double.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_double_double.pass.cpp
new file mode 100644
index 00000000000..3d6e96b9a9b
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_double_double.pass.cpp
@@ -0,0 +1,40 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// explicit extreme_value_distribution(result_type a = 0, result_type b = 1);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        D d;
+        assert(d.a() == 0);
+        assert(d.b() == 1);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        D d(14.5);
+        assert(d.a() == 14.5);
+        assert(d.b() == 1);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        D d(14.5, 5.25);
+        assert(d.a() == 14.5);
+        assert(d.b() == 5.25);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_param.pass.cpp
new file mode 100644
index 00000000000..6e1b8ae197e
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_param.pass.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// explicit extreme_value_distribution(const param_type& parm);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        P p(0.25, 10);
+        D d(p);
+        assert(d.a() == 0.25);
+        assert(d.b() == 10);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eq.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eq.pass.cpp
new file mode 100644
index 00000000000..e5941c2ac32
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eq.pass.cpp
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// bool operator=(const extreme_value_distribution& x,
+//                const extreme_value_distribution& y);
+// bool operator!(const extreme_value_distribution& x,
+//                const extreme_value_distribution& y);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        D d1(2.5, 4);
+        D d2(2.5, 4);
+        assert(d1 == d2);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        D d1(2.5, 4);
+        D d2(2.5, 4.5);
+        assert(d1 != d2);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval.pass.cpp
new file mode 100644
index 00000000000..071ea6bc60f
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval.pass.cpp
@@ -0,0 +1,188 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// template<class _URNG> result_type operator()(_URNG& g);
+
+#include <random>
+#include <cassert>
+#include <vector>
+#include <numeric>
+
+template <class T>
+inline
+T
+sqr(T x)
+{
+    return x * x;
+}
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        typedef std::mt19937 G;
+        G g;
+        D d(0.5, 2);
+        const int N = 1000000;
+        std::vector<D::result_type> u;
+        for (int i = 0; i < N; ++i)
+        {
+            D::result_type v = d(g);
+            u.push_back(v);
+        }
+        double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
+        double var = 0;
+        double skew = 0;
+        double kurtosis = 0;
+        for (int i = 0; i < u.size(); ++i)
+        {
+            double d = (u[i] - mean);
+            double d2 = sqr(d);
+            var += d2;
+            skew += d * d2;
+            kurtosis += d2 * d2;
+        }
+        var /= u.size();
+        double dev = std::sqrt(var);
+        skew /= u.size() * dev * var;
+        kurtosis /= u.size() * var * var;
+        kurtosis -= 3;
+        double x_mean = d.a() + d.b() * 0.577215665;
+        double x_var = sqr(d.b()) * 1.644934067;
+        double x_skew = 1.139547;
+        double x_kurtosis = 12./5;
+        assert(std::abs(mean - x_mean) / x_mean < 0.01);
+        assert(std::abs(var - x_var) / x_var < 0.01);
+        assert(std::abs(skew - x_skew) / x_skew < 0.01);
+        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        typedef std::mt19937 G;
+        G g;
+        D d(1, 2);
+        const int N = 1000000;
+        std::vector<D::result_type> u;
+        for (int i = 0; i < N; ++i)
+        {
+            D::result_type v = d(g);
+            u.push_back(v);
+        }
+        double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
+        double var = 0;
+        double skew = 0;
+        double kurtosis = 0;
+        for (int i = 0; i < u.size(); ++i)
+        {
+            double d = (u[i] - mean);
+            double d2 = sqr(d);
+            var += d2;
+            skew += d * d2;
+            kurtosis += d2 * d2;
+        }
+        var /= u.size();
+        double dev = std::sqrt(var);
+        skew /= u.size() * dev * var;
+        kurtosis /= u.size() * var * var;
+        kurtosis -= 3;
+        double x_mean = d.a() + d.b() * 0.577215665;
+        double x_var = sqr(d.b()) * 1.644934067;
+        double x_skew = 1.139547;
+        double x_kurtosis = 12./5;
+        assert(std::abs(mean - x_mean) / x_mean < 0.01);
+        assert(std::abs(var - x_var) / x_var < 0.01);
+        assert(std::abs(skew - x_skew) / x_skew < 0.01);
+        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        typedef std::mt19937 G;
+        G g;
+        D d(1.5, 3);
+        const int N = 1000000;
+        std::vector<D::result_type> u;
+        for (int i = 0; i < N; ++i)
+        {
+            D::result_type v = d(g);
+            u.push_back(v);
+        }
+        double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
+        double var = 0;
+        double skew = 0;
+        double kurtosis = 0;
+        for (int i = 0; i < u.size(); ++i)
+        {
+            double d = (u[i] - mean);
+            double d2 = sqr(d);
+            var += d2;
+            skew += d * d2;
+            kurtosis += d2 * d2;
+        }
+        var /= u.size();
+        double dev = std::sqrt(var);
+        skew /= u.size() * dev * var;
+        kurtosis /= u.size() * var * var;
+        kurtosis -= 3;
+        double x_mean = d.a() + d.b() * 0.577215665;
+        double x_var = sqr(d.b()) * 1.644934067;
+        double x_skew = 1.139547;
+        double x_kurtosis = 12./5;
+        assert(std::abs(mean - x_mean) / x_mean < 0.01);
+        assert(std::abs(var - x_var) / x_var < 0.01);
+        assert(std::abs(skew - x_skew) / x_skew < 0.01);
+        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        typedef std::mt19937 G;
+        G g;
+        D d(3, 4);
+        const int N = 1000000;
+        std::vector<D::result_type> u;
+        for (int i = 0; i < N; ++i)
+        {
+            D::result_type v = d(g);
+            u.push_back(v);
+        }
+        double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
+        double var = 0;
+        double skew = 0;
+        double kurtosis = 0;
+        for (int i = 0; i < u.size(); ++i)
+        {
+            double d = (u[i] - mean);
+            double d2 = sqr(d);
+            var += d2;
+            skew += d * d2;
+            kurtosis += d2 * d2;
+        }
+        var /= u.size();
+        double dev = std::sqrt(var);
+        skew /= u.size() * dev * var;
+        kurtosis /= u.size() * var * var;
+        kurtosis -= 3;
+        double x_mean = d.a() + d.b() * 0.577215665;
+        double x_var = sqr(d.b()) * 1.644934067;
+        double x_skew = 1.139547;
+        double x_kurtosis = 12./5;
+        assert(std::abs(mean - x_mean) / x_mean < 0.01);
+        assert(std::abs(var - x_var) / x_var < 0.01);
+        assert(std::abs(skew - x_skew) / x_skew < 0.01);
+        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval_param.pass.cpp
new file mode 100644
index 00000000000..dd335a05900
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval_param.pass.cpp
@@ -0,0 +1,192 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// template<class _URNG> result_type operator()(_URNG& g, const param_type& parm);
+
+#include <random>
+#include <cassert>
+#include <vector>
+#include <numeric>
+
+template <class T>
+inline
+T
+sqr(T x)
+{
+    return x * x;
+}
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        typedef std::mt19937 G;
+        G g;
+        D d(-0.5, 1);
+        P p(0.5, 2);
+        const int N = 1000000;
+        std::vector<D::result_type> u;
+        for (int i = 0; i < N; ++i)
+        {
+            D::result_type v = d(g, p);
+            u.push_back(v);
+        }
+        double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
+        double var = 0;
+        double skew = 0;
+        double kurtosis = 0;
+        for (int i = 0; i < u.size(); ++i)
+        {
+            double d = (u[i] - mean);
+            double d2 = sqr(d);
+            var += d2;
+            skew += d * d2;
+            kurtosis += d2 * d2;
+        }
+        var /= u.size();
+        double dev = std::sqrt(var);
+        skew /= u.size() * dev * var;
+        kurtosis /= u.size() * var * var;
+        kurtosis -= 3;
+        double x_mean = p.a() + p.b() * 0.577215665;
+        double x_var = sqr(p.b()) * 1.644934067;
+        double x_skew = 1.139547;
+        double x_kurtosis = 12./5;
+        assert(std::abs(mean - x_mean) / x_mean < 0.01);
+        assert(std::abs(var - x_var) / x_var < 0.01);
+        assert(std::abs(skew - x_skew) / x_skew < 0.01);
+        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        typedef std::mt19937 G;
+        G g;
+        D d(-0.5, 1);
+        P p(1, 2);
+        const int N = 1000000;
+        std::vector<D::result_type> u;
+        for (int i = 0; i < N; ++i)
+        {
+            D::result_type v = d(g, p);
+            u.push_back(v);
+        }
+        double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
+        double var = 0;
+        double skew = 0;
+        double kurtosis = 0;
+        for (int i = 0; i < u.size(); ++i)
+        {
+            double d = (u[i] - mean);
+            double d2 = sqr(d);
+            var += d2;
+            skew += d * d2;
+            kurtosis += d2 * d2;
+        }
+        var /= u.size();
+        double dev = std::sqrt(var);
+        skew /= u.size() * dev * var;
+        kurtosis /= u.size() * var * var;
+        kurtosis -= 3;
+        double x_mean = p.a() + p.b() * 0.577215665;
+        double x_var = sqr(p.b()) * 1.644934067;
+        double x_skew = 1.139547;
+        double x_kurtosis = 12./5;
+        assert(std::abs(mean - x_mean) / x_mean < 0.01);
+        assert(std::abs(var - x_var) / x_var < 0.01);
+        assert(std::abs(skew - x_skew) / x_skew < 0.01);
+        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        typedef std::mt19937 G;
+        G g;
+        D d(-0.5, 1);
+        P p(1.5, 3);
+        const int N = 1000000;
+        std::vector<D::result_type> u;
+        for (int i = 0; i < N; ++i)
+        {
+            D::result_type v = d(g, p);
+            u.push_back(v);
+        }
+        double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
+        double var = 0;
+        double skew = 0;
+        double kurtosis = 0;
+        for (int i = 0; i < u.size(); ++i)
+        {
+            double d = (u[i] - mean);
+            double d2 = sqr(d);
+            var += d2;
+            skew += d * d2;
+            kurtosis += d2 * d2;
+        }
+        var /= u.size();
+        double dev = std::sqrt(var);
+        skew /= u.size() * dev * var;
+        kurtosis /= u.size() * var * var;
+        kurtosis -= 3;
+        double x_mean = p.a() + p.b() * 0.577215665;
+        double x_var = sqr(p.b()) * 1.644934067;
+        double x_skew = 1.139547;
+        double x_kurtosis = 12./5;
+        assert(std::abs(mean - x_mean) / x_mean < 0.01);
+        assert(std::abs(var - x_var) / x_var < 0.01);
+        assert(std::abs(skew - x_skew) / x_skew < 0.01);
+        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        typedef std::mt19937 G;
+        G g;
+        D d(-0.5, 1);
+        P p(3, 4);
+        const int N = 1000000;
+        std::vector<D::result_type> u;
+        for (int i = 0; i < N; ++i)
+        {
+            D::result_type v = d(g, p);
+            u.push_back(v);
+        }
+        double mean = std::accumulate(u.begin(), u.end(), 0.0) / u.size();
+        double var = 0;
+        double skew = 0;
+        double kurtosis = 0;
+        for (int i = 0; i < u.size(); ++i)
+        {
+            double d = (u[i] - mean);
+            double d2 = sqr(d);
+            var += d2;
+            skew += d * d2;
+            kurtosis += d2 * d2;
+        }
+        var /= u.size();
+        double dev = std::sqrt(var);
+        skew /= u.size() * dev * var;
+        kurtosis /= u.size() * var * var;
+        kurtosis -= 3;
+        double x_mean = p.a() + p.b() * 0.577215665;
+        double x_var = sqr(p.b()) * 1.644934067;
+        double x_skew = 1.139547;
+        double x_kurtosis = 12./5;
+        assert(std::abs(mean - x_mean) / x_mean < 0.01);
+        assert(std::abs(var - x_var) / x_var < 0.01);
+        assert(std::abs(skew - x_skew) / x_skew < 0.01);
+        assert(std::abs(kurtosis - x_kurtosis) / x_kurtosis < 0.01);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/get_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/get_param.pass.cpp
new file mode 100644
index 00000000000..dd06b0b8563
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/get_param.pass.cpp
@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// param_type param() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        P p(.125, .5);
+        D d(p);
+        assert(d.param() == p);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/io.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/io.pass.cpp
new file mode 100644
index 00000000000..634b7eff131
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/io.pass.cpp
@@ -0,0 +1,41 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// template <class CharT, class Traits, class RealType>
+// basic_ostream<CharT, Traits>&
+// operator<<(basic_ostream<CharT, Traits>& os,
+//            const extreme_value_distribution<RealType>& x);
+
+// template <class CharT, class Traits, class RealType>
+// basic_istream<CharT, Traits>&
+// operator>>(basic_istream<CharT, Traits>& is,
+//            extreme_value_distribution<RealType>& x);
+
+#include <random>
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        D d1(7.5, 5.5);
+        std::ostringstream os;
+        os << d1;
+        std::istringstream is(os.str());
+        D d2;
+        is >> d2;
+        assert(d1 == d2);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/max.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/max.pass.cpp
new file mode 100644
index 00000000000..02ba0fd6e2d
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/max.pass.cpp
@@ -0,0 +1,28 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// result_type max() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        D d(5, .25);
+        D::result_type m = d.max();
+        assert(m == INFINITY);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/min.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/min.pass.cpp
new file mode 100644
index 00000000000..74ef71e7542
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/min.pass.cpp
@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+
+// result_type min() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        D d(.5, .5);
+        assert(d.min() == -INFINITY);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_assign.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_assign.pass.cpp
new file mode 100644
index 00000000000..b50cadb1844
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_assign.pass.cpp
@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+// {
+//     class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type param_type;
+        param_type p0(.75, 6);
+        param_type p;
+        p = p0;
+        assert(p.a() == .75);
+        assert(p.b() == 6);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_copy.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_copy.pass.cpp
new file mode 100644
index 00000000000..bf716285835
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_copy.pass.cpp
@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+// {
+//     class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type param_type;
+        param_type p0(10, .125);
+        param_type p = p0;
+        assert(p.a() == 10);
+        assert(p.b() == .125);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_ctor.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_ctor.pass.cpp
new file mode 100644
index 00000000000..766dcc27652
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_ctor.pass.cpp
@@ -0,0 +1,44 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+// {
+//     class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type param_type;
+        param_type p;
+        assert(p.a() == 0);
+        assert(p.b() == 1);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type param_type;
+        param_type p(10);
+        assert(p.a() == 10);
+        assert(p.b() == 1);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type param_type;
+        param_type p(10, 5);
+        assert(p.a() == 10);
+        assert(p.b() == 5);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_eq.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_eq.pass.cpp
new file mode 100644
index 00000000000..baa90bc1a4b
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_eq.pass.cpp
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+// {
+//     class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type param_type;
+        param_type p1(0.75, .5);
+        param_type p2(0.75, .5);
+        assert(p1 == p2);
+    }
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type param_type;
+        param_type p1(0.75, .5);
+        param_type p2(0.5, .5);
+        assert(p1 != p2);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_types.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_types.pass.cpp
new file mode 100644
index 00000000000..a81661b4c86
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_types.pass.cpp
@@ -0,0 +1,28 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+// {
+//     class param_type;
+
+#include <random>
+#include <type_traits>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type param_type;
+        typedef param_type::distribution_type distribution_type;
+        static_assert((std::is_same<D, distribution_type>::value), "");
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/set_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/set_param.pass.cpp
new file mode 100644
index 00000000000..62b91d43856
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/set_param.pass.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution;
+
+// void param(const param_type& parm);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::param_type P;
+        P p(0.25, 5.5);
+        D d(0.75, 4);
+        d.param(p);
+        assert(d.param() == p);
+    }
+}
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/types.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/types.pass.cpp
new file mode 100644
index 00000000000..175527a8160
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/types.pass.cpp
@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class RealType = double>
+// class extreme_value_distribution
+// {
+// public:
+//     // types
+//     typedef RealType result_type;
+
+#include <random>
+#include <type_traits>
+
+int main()
+{
+    {
+        typedef std::extreme_value_distribution<> D;
+        typedef D::result_type result_type;
+        static_assert((std::is_same<result_type, double>::value), "");
+    }
+    {
+        typedef std::extreme_value_distribution<float> D;
+        typedef D::result_type result_type;
+        static_assert((std::is_same<result_type, float>::value), "");
+    }
+}