[cfe-commits] [libcxx] r103942 - in /libcxx/trunk: include/ test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/
Howard Hinnant
hhinnant at apple.com
Mon May 17 09:21:56 PDT 2010
Author: hhinnant
Date: Mon May 17 11:21:56 2010
New Revision: 103942
URL: http://llvm.org/viewvc/llvm-project?rev=103942&view=rev
Log:
[rand.dist.pois.extreme]
Added:
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/assign.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/copy.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_double_double.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eq.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/get_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/io.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/max.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/min.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_assign.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_copy.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_ctor.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_eq.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_types.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/set_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/types.pass.cpp
Modified:
libcxx/trunk/include/random
Modified: libcxx/trunk/include/random
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/random?rev=103942&r1=103941&r2=103942&view=diff
==============================================================================
--- libcxx/trunk/include/random (original)
+++ libcxx/trunk/include/random Mon May 17 11:21:56 2010
@@ -989,7 +989,6 @@
result_type min() const;
result_type max() const;
-
friend bool operator==(const weibull_distribution& x,
const weibull_distribution& y);
friend bool operator!=(const weibull_distribution& x,
@@ -1009,7 +1008,62 @@
};
template<class RealType = double>
- class extreme_value_distribution;
+class extreme_value_distribution
+{
+public:
+ // types
+ typedef RealType result_type;
+
+ class param_type
+ {
+ public:
+ typedef extreme_value_distribution distribution_type;
+
+ explicit param_type(result_type a = 0, result_type b = 1);
+
+ result_type a() const;
+ result_type b() const;
+
+ friend bool operator==(const param_type& x, const param_type& y);
+ friend bool operator!=(const param_type& x, const param_type& y);
+ };
+
+ // constructor and reset functions
+ explicit extreme_value_distribution(result_type a = 0, result_type b = 1);
+ explicit extreme_value_distribution(const param_type& parm);
+ void reset();
+
+ // generating functions
+ template<class URNG> result_type operator()(URNG& g);
+ template<class URNG> result_type operator()(URNG& g, const param_type& parm);
+
+ // property functions
+ result_type a() const;
+ result_type b() const;
+
+ param_type param() const;
+ void param(const param_type& parm);
+
+ result_type min() const;
+ result_type max() const;
+
+ friend bool operator==(const extreme_value_distribution& x,
+ const extreme_value_distribution& y);
+ friend bool operator!=(const extreme_value_distribution& x,
+ const extreme_value_distribution& y);
+
+ template <class charT, class traits>
+ friend
+ basic_ostream<charT, traits>&
+ operator<<(basic_ostream<charT, traits>& os,
+ const extreme_value_distribution& x);
+
+ template <class charT, class traits>
+ friend
+ basic_istream<charT, traits>&
+ operator>>(basic_istream<charT, traits>& is,
+ extreme_value_distribution& x);
+};
template<class RealType = double>
class normal_distribution
@@ -4053,6 +4107,106 @@
return __is;
}
+template<class _RealType = double>
+class extreme_value_distribution
+{
+public:
+ // types
+ typedef _RealType result_type;
+
+ class param_type
+ {
+ result_type __a_;
+ result_type __b_;
+ public:
+ typedef extreme_value_distribution distribution_type;
+
+ explicit param_type(result_type __a = 0, result_type __b = 1)
+ : __a_(__a), __b_(__b) {}
+
+ result_type a() const {return __a_;}
+ result_type b() const {return __b_;}
+
+ friend bool operator==(const param_type& __x, const param_type& __y)
+ {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;}
+ friend bool operator!=(const param_type& __x, const param_type& __y)
+ {return !(__x == __y);}
+ };
+
+private:
+ param_type __p_;
+
+public:
+ // constructor and reset functions
+ explicit extreme_value_distribution(result_type __a = 0, result_type __b = 1)
+ : __p_(param_type(__a, __b)) {}
+ explicit extreme_value_distribution(const param_type& __p)
+ : __p_(__p) {}
+ void reset() {}
+
+ // generating functions
+ template<class _URNG> result_type operator()(_URNG& __g)
+ {return (*this)(__g, __p_);}
+ template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p);
+
+ // property functions
+ result_type a() const {return __p_.a();}
+ result_type b() const {return __p_.b();}
+
+ param_type param() const {return __p_;}
+ void param(const param_type& __p) {__p_ = __p;}
+
+ result_type min() const {return -numeric_limits<result_type>::infinity();}
+ result_type max() const {return numeric_limits<result_type>::infinity();}
+
+ friend bool operator==(const extreme_value_distribution& __x,
+ const extreme_value_distribution& __y)
+ {return __x.__p_ == __y.__p_;}
+ friend bool operator!=(const extreme_value_distribution& __x,
+ const extreme_value_distribution& __y)
+ {return !(__x == __y);}
+};
+
+template<class _RealType>
+template<class _URNG>
+_RealType
+extreme_value_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
+{
+ return __p.a() - __p.b() *
+ _STD::log(-_STD::log(1-uniform_real_distribution<result_type>()(__g)));
+}
+
+template <class _CharT, class _Traits, class _RT>
+basic_ostream<_CharT, _Traits>&
+operator<<(basic_ostream<_CharT, _Traits>& __os,
+ const extreme_value_distribution<_RT>& __x)
+{
+ __save_flags<_CharT, _Traits> _(__os);
+ __os.flags(ios_base::dec | ios_base::left);
+ _CharT __sp = __os.widen(' ');
+ __os.fill(__sp);
+ __os << __x.a() << __sp << __x.b();
+ return __os;
+}
+
+template <class _CharT, class _Traits, class _RT>
+basic_istream<_CharT, _Traits>&
+operator>>(basic_istream<_CharT, _Traits>& __is,
+ extreme_value_distribution<_RT>& __x)
+{
+ typedef extreme_value_distribution<_RT> _Eng;
+ typedef typename _Eng::result_type result_type;
+ typedef typename _Eng::param_type param_type;
+ __save_flags<_CharT, _Traits> _(__is);
+ __is.flags(ios_base::dec | ios_base::skipws);
+ result_type __a;
+ result_type __b;
+ __is >> __a >> __b;
+ if (!__is.fail())
+ __x.param(param_type(__a, __b));
+ return __is;
+}
+
// gamma_distribution
template<class _RealType = double>
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/assign.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/assign.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/assign.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/assign.pass.cpp Mon May 17 11:21:56 2010
@@ -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();
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/copy.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/copy.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/copy.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/copy.pass.cpp Mon May 17 11:21:56 2010
@@ -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();
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_double_double.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_double_double.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_double_double.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_double_double.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_param.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/ctor_param.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eq.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eq.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eq.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eq.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval_param.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/eval_param.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/get_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/get_param.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/get_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/get_param.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/io.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/io.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/io.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/io.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/max.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/max.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/max.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/max.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/min.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/min.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/min.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/min.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_assign.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_assign.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_assign.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_assign.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_copy.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_copy.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_copy.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_copy.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_ctor.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_ctor.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_ctor.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_ctor.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_eq.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_eq.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_eq.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_eq.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_types.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_types.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_types.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/param_types.pass.cpp Mon May 17 11:21:56 2010
@@ -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), "");
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/set_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/set_param.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/set_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/set_param.pass.cpp Mon May 17 11:21:56 2010
@@ -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);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/types.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/types.pass.cpp?rev=103942&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/types.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.extreme/types.pass.cpp Mon May 17 11:21:56 2010
@@ -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), "");
+ }
+}
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