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-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/assign.pass.cpp34
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/copy.pass.cpp32
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/ctor_int_int.pass.cpp41
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/ctor_param.pass.cpp30
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eq.pass.cpp37
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eval.pass.cpp474
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eval_param.pass.cpp74
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/get_param.pass.cpp29
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/io.pass.cpp41
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/max.pass.cpp27
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/min.pass.cpp27
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_assign.pass.cpp32
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_copy.pass.cpp31
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_ctor.pass.cpp44
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_eq.pass.cpp37
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_types.pass.cpp28
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/set_param.pass.cpp30
-rw-r--r--libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/types.pass.cpp27
18 files changed, 1075 insertions, 0 deletions
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/assign.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/assign.pass.cpp
new file mode 100644
index 00000000000..9651a2f0596
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/assign.pass.cpp
@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// uniform_real_distribution& operator=(const uniform_real_distribution&);
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+ typedef std::uniform_real_distribution<float> D;
+ D d1(2, 5);
+ D d2;
+ assert(d1 != d2);
+ d2 = d1;
+ assert(d1 == d2);
+}
+
+int main()
+{
+ test1();
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/copy.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/copy.pass.cpp
new file mode 100644
index 00000000000..073c3a85157
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/copy.pass.cpp
@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// uniform_real_distribution(const uniform_real_distribution&);
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+ typedef std::uniform_real_distribution<float> D;
+ D d1(2, 5);
+ D d2 = d1;
+ assert(d1 == d2);
+}
+
+int main()
+{
+ test1();
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/ctor_int_int.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/ctor_int_int.pass.cpp
new file mode 100644
index 00000000000..03abc536210
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/ctor_int_int.pass.cpp
@@ -0,0 +1,41 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// explicit uniform_real_distribution(RealType a = 0,
+// RealType b = 1);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<> D;
+ D d;
+ assert(d.a() == 0);
+ assert(d.b() == 1);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ D d(-6);
+ assert(d.a() == -6);
+ assert(d.b() == 1);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ D d(-6, 106);
+ assert(d.a() == -6);
+ assert(d.b() == 106);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/ctor_param.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/ctor_param.pass.cpp
new file mode 100644
index 00000000000..a6f4aff93d8
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/ctor_param.pass.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// explicit uniform_real_distribution(const param_type& parm);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef D::param_type P;
+ P p(3.5, 8);
+ D d(p);
+ assert(d.a() == 3.5);
+ assert(d.b() == 8);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eq.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eq.pass.cpp
new file mode 100644
index 00000000000..5fcba4346dc
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eq.pass.cpp
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// bool operator=(const uniform_real_distribution& x,
+// const uniform_real_distribution& y);
+// bool operator!(const uniform_real_distribution& x,
+// const uniform_real_distribution& y);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<> D;
+ D d1(3, 8);
+ D d2(3, 8);
+ assert(d1 == d2);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ D d1(3, 8);
+ D d2(3, 8.1);
+ assert(d1 != d2);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eval.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eval.pass.cpp
new file mode 100644
index 00000000000..2663b2683bb
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eval.pass.cpp
@@ -0,0 +1,474 @@
+//===----------------------------------------------------------------------===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+//
+// REQUIRES: long_tests
+
+// <random>
+
+// template<class RealType = double>
+// class uniform_real_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::uniform_real_distribution<> D;
+ typedef std::minstd_rand0 G;
+ G g;
+ D d;
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::minstd_rand G;
+ G g;
+ D d;
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::mt19937 G;
+ G g;
+ D d;
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::mt19937_64 G;
+ G g;
+ D d;
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::ranlux24_base G;
+ G g;
+ D d;
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.02);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::ranlux48_base G;
+ G g;
+ D d;
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::ranlux24 G;
+ G g;
+ D d;
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::ranlux48 G;
+ G g;
+ D d;
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::knuth_b G;
+ G g;
+ D d;
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::minstd_rand G;
+ G g;
+ D d(-1, 1);
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./5;
+ assert(std::abs(mean - x_mean) < 0.01);
+ assert(std::abs((var - x_var) / x_var) < 0.01);
+ assert(std::abs(skew - x_skew) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef std::minstd_rand G;
+ G g;
+ D d(5.5, 25);
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g);
+ assert(d.a() <= v && v < d.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (d.a() + d.b()) / 2;
+ D::result_type x_var = sqr(d.b() - d.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eval_param.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eval_param.pass.cpp
new file mode 100644
index 00000000000..b5803f40146
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/eval_param.pass.cpp
@@ -0,0 +1,74 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_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::uniform_real_distribution<> D;
+ typedef std::minstd_rand G;
+ typedef D::param_type P;
+ G g;
+ D d(5.5, 25);
+ P p(-10, 20);
+ const int N = 100000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ {
+ D::result_type v = d(g, p);
+ assert(p.a() <= v && v < p.b());
+ u.push_back(v);
+ }
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ D::result_type skew = 0;
+ D::result_type kurtosis = 0;
+ for (int i = 0; i < u.size(); ++i)
+ {
+ D::result_type d = (u[i] - mean);
+ D::result_type d2 = sqr(d);
+ var += d2;
+ skew += d * d2;
+ kurtosis += d2 * d2;
+ }
+ var /= u.size();
+ D::result_type dev = std::sqrt(var);
+ skew /= u.size() * dev * var;
+ kurtosis /= u.size() * var * var;
+ kurtosis -= 3;
+ D::result_type x_mean = (p.a() + p.b()) / 2;
+ D::result_type x_var = sqr(p.b() - p.a()) / 12;
+ D::result_type x_skew = 0;
+ D::result_type x_kurtosis = -6./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) < 0.01);
+ assert(std::abs((kurtosis - x_kurtosis) / x_kurtosis) < 0.01);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/get_param.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/get_param.pass.cpp
new file mode 100644
index 00000000000..0496d853e32
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/get_param.pass.cpp
@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// param_type param() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef D::param_type P;
+ P p(3, 8);
+ D d(p);
+ assert(d.param() == p);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/io.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/io.pass.cpp
new file mode 100644
index 00000000000..17ff9388930
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/io.pass.cpp
@@ -0,0 +1,41 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// template <class charT, class traits>
+// basic_ostream<charT, traits>&
+// operator<<(basic_ostream<charT, traits>& os,
+// const uniform_real_distribution& x);
+//
+// template <class charT, class traits>
+// basic_istream<charT, traits>&
+// operator>>(basic_istream<charT, traits>& is,
+// uniform_real_distribution& x);
+
+#include <random>
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<> D;
+ D d1(3, 8);
+ std::ostringstream os;
+ os << d1;
+ std::istringstream is(os.str());
+ D d2;
+ is >> d2;
+ assert(d1 == d2);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/max.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/max.pass.cpp
new file mode 100644
index 00000000000..6baa6d81a83
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/max.pass.cpp
@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// result_type max() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<> D;
+ D d(3, 8);
+ assert(d.max() == 8);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/min.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/min.pass.cpp
new file mode 100644
index 00000000000..3974258c54d
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/min.pass.cpp
@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// result_type min() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<> D;
+ D d(3, 8);
+ assert(d.min() == 3);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_assign.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_assign.pass.cpp
new file mode 100644
index 00000000000..07497fef531
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_assign.pass.cpp
@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<float> D;
+ typedef D::param_type param_type;
+ param_type p0(5, 10);
+ param_type p;
+ p = p0;
+ assert(p.a() == 5);
+ assert(p.b() == 10);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_copy.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_copy.pass.cpp
new file mode 100644
index 00000000000..d64df7dacb6
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_copy.pass.cpp
@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<float> D;
+ typedef D::param_type param_type;
+ param_type p0(5, 10);
+ param_type p = p0;
+ assert(p.a() == 5);
+ assert(p.b() == 10);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_ctor.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_ctor.pass.cpp
new file mode 100644
index 00000000000..8f21ebfbdbb
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_ctor.pass.cpp
@@ -0,0 +1,44 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<float> D;
+ typedef D::param_type param_type;
+ param_type p;
+ assert(p.a() == 0);
+ assert(p.b() == 1);
+ }
+ {
+ typedef std::uniform_real_distribution<float> D;
+ typedef D::param_type param_type;
+ param_type p(5);
+ assert(p.a() == 5);
+ assert(p.b() == 1);
+ }
+ {
+ typedef std::uniform_real_distribution<float> D;
+ typedef D::param_type param_type;
+ param_type p(5, 10);
+ assert(p.a() == 5);
+ assert(p.b() == 10);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_eq.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_eq.pass.cpp
new file mode 100644
index 00000000000..62df68ca628
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_eq.pass.cpp
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<float> D;
+ typedef D::param_type param_type;
+ param_type p1(5, 10);
+ param_type p2(5, 10);
+ assert(p1 == p2);
+ }
+ {
+ typedef std::uniform_real_distribution<float> D;
+ typedef D::param_type param_type;
+ param_type p1(5, 10);
+ param_type p2(6, 10);
+ assert(p1 != p2);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_types.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_types.pass.cpp
new file mode 100644
index 00000000000..27c0998be25
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/param_types.pass.cpp
@@ -0,0 +1,28 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <type_traits>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<float> 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/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/set_param.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/set_param.pass.cpp
new file mode 100644
index 00000000000..1ff121def10
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/set_param.pass.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+
+// void param(const param_type& parm);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<> D;
+ typedef D::param_type P;
+ P p(3, 8);
+ D d(6, 7);
+ d.param(p);
+ assert(d.param() == p);
+ }
+}
diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/types.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/types.pass.cpp
new file mode 100644
index 00000000000..b0e792fdd62
--- /dev/null
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.real/types.pass.cpp
@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 RealType = double>
+// class uniform_real_distribution
+// {
+// typedef IntType result_type;
+
+#include <random>
+#include <type_traits>
+
+int main()
+{
+ {
+ typedef std::uniform_real_distribution<float> D;
+ typedef D::result_type result_type;
+ static_assert((std::is_same<result_type, float>::value), "");
+ }
+}
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