[cfe-commits] [libcxx] r103621 - in /libcxx/trunk: include/ test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/ test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/
Howard Hinnant
hhinnant at apple.com
Wed May 12 10:08:57 PDT 2010
Author: hhinnant
Date: Wed May 12 12:08:57 2010
New Revision: 103621
URL: http://llvm.org/viewvc/llvm-project?rev=103621&view=rev
Log:
[rand.dist.pois.exp]
Added:
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/assign.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/copy.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_double.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eq.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/get_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/io.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/max.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/min.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_assign.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_copy.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_ctor.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_eq.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_types.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/set_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/types.pass.cpp
Modified:
libcxx/trunk/include/random
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp
Modified: libcxx/trunk/include/random
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/random?rev=103621&r1=103620&r2=103621&view=diff
==============================================================================
--- libcxx/trunk/include/random (original)
+++ libcxx/trunk/include/random Wed May 12 12:08:57 2010
@@ -675,7 +675,60 @@
class poisson_distribution;
template<class RealType = double>
- class exponential_distribution;
+class exponential_distribution
+{
+public:
+ // types
+ typedef RealType result_type;
+
+ class param_type
+ {
+ public:
+ typedef exponential_distribution distribution_type;
+
+ explicit param_type(RealType lambda = 1.0);
+
+ RealType lambda() const;
+
+ friend bool operator==(const param_type& x, const param_type& y);
+ friend bool operator!=(const param_type& x, const param_type& y);
+ };
+
+ // constructors and reset functions
+ explicit exponential_distribution(RealType lambda = 1.0);
+ explicit exponential_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
+ RealType lambda() const;
+
+ param_type param() const;
+ void param(const param_type& parm);
+
+ result_type min() const;
+ result_type max() const;
+
+ friend bool operator==(const exponential_distribution& x,
+ const exponential_distribution& y);
+ friend bool operator!=(const exponential_distribution& x,
+ const exponential_distribution& y);
+
+ template <class charT, class traits>
+ friend
+ basic_ostream<charT, traits>&
+ operator<<(basic_ostream<charT, traits>& os,
+ const exponential_distribution& x);
+
+ template <class charT, class traits>
+ friend
+ basic_istream<charT, traits>&
+ operator>>(basic_istream<charT, traits>& is,
+ exponential_distribution& x);
+};
template<class RealType = double>
class gamma_distribution;
@@ -727,6 +780,7 @@
#include <string>
#include <istream>
#include <ostream>
+#include <cmath>
#pragma GCC system_header
@@ -2460,6 +2514,8 @@
}
}
+// generate_canonical
+
template<class _RealType, size_t __bits, class _URNG>
_RealType
generate_canonical(_URNG& __g)
@@ -2599,6 +2655,8 @@
return _S;
}
+// uniform_int_distribution
+
template<class _IntType = int>
class uniform_int_distribution
{
@@ -2716,6 +2774,8 @@
return __is;
}
+// uniform_real_distribution
+
template<class _RealType = double>
class uniform_real_distribution
{
@@ -2817,6 +2877,8 @@
return __is;
}
+// bernoulli_distribution
+
class bernoulli_distribution
{
public:
@@ -2905,6 +2967,8 @@
return __is;
}
+// binomial_distribution
+
template<class _IntType = int>
class binomial_distribution
{
@@ -3007,6 +3071,106 @@
return __is;
}
+// exponential_distribution
+
+template<class _RealType = double>
+class exponential_distribution
+{
+public:
+ // types
+ typedef _RealType result_type;
+
+ class param_type
+ {
+ result_type __lambda_;
+ public:
+ typedef exponential_distribution distribution_type;
+
+ explicit param_type(result_type __lambda = 1) : __lambda_(__lambda) {}
+
+ result_type lambda() const {return __lambda_;}
+
+ friend bool operator==(const param_type& __x, const param_type& __y)
+ {return __x.__lambda_ == __y.__lambda_;}
+ friend bool operator!=(const param_type& __x, const param_type& __y)
+ {return !(__x == __y);}
+ };
+
+private:
+ param_type __p_;
+
+public:
+ // constructors and reset functions
+ explicit exponential_distribution(result_type __lambda = 1)
+ : __p_(param_type(__lambda)) {}
+ explicit exponential_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 lambda() const {return __p_.lambda();}
+
+ param_type param() const {return __p_;}
+ void param(const param_type& __p) {__p_ = __p;}
+
+ result_type min() const {return 0;}
+ result_type max() const
+ {return -std::log(1-std::nextafter(result_type(1), result_type(-1))) /
+ __p_.lambda();}
+
+ friend bool operator==(const exponential_distribution& __x,
+ const exponential_distribution& __y)
+ {return __x.__p_ == __y.__p_;}
+ friend bool operator!=(const exponential_distribution& __x,
+ const exponential_distribution& __y)
+ {return !(__x == __y);}
+};
+
+template <class _RealType>
+template<class _URNG>
+_RealType
+exponential_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
+{
+ return -_STD::log
+ (
+ result_type(1) -
+ _STD::generate_canonical<result_type,
+ numeric_limits<result_type>::digits>(__g)
+ )
+ / __p.lambda();
+}
+
+template <class _CharT, class _Traits, class _RealType>
+basic_ostream<_CharT, _Traits>&
+operator<<(basic_ostream<_CharT, _Traits>& __os,
+ const exponential_distribution<_RealType>& __x)
+{
+ __save_flags<_CharT, _Traits> _(__os);
+ __os.flags(ios_base::dec | ios_base::left);
+ return __os << __x.lambda();
+}
+
+template <class _CharT, class _Traits, class _RealType>
+basic_istream<_CharT, _Traits>&
+operator>>(basic_istream<_CharT, _Traits>& __is,
+ exponential_distribution<_RealType>& __x)
+{
+ typedef exponential_distribution<_RealType> _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 __lambda;
+ __is >> __lambda;
+ if (!__is.fail())
+ __x.param(param_type(__lambda));
+ return __is;
+}
+
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_RANDOM
Modified: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp?rev=103621&r1=103620&r2=103621&view=diff
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp (original)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp Wed May 12 12:08:57 2010
@@ -17,8 +17,6 @@
#include <random>
#include <cassert>
-#include <iostream>
-
int main()
{
{
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/assign.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/assign.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/assign.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/assign.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+
+// exponential_distribution& operator=(const exponential_distribution&);
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+ typedef std::exponential_distribution<> D;
+ D d1(0.75);
+ 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.exp/copy.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/copy.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/copy.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/copy.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+
+// exponential_distribution(const exponential_distribution&);
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+ typedef std::exponential_distribution<> D;
+ D d1(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.exp/ctor_double.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_double.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_double.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_double.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+
+// explicit exponential_distribution(RealType lambda = 1.0);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ D d;
+ assert(d.lambda() == 1);
+ }
+ {
+ typedef std::exponential_distribution<> D;
+ D d(3.5);
+ assert(d.lambda() == 3.5);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_param.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_param.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+
+// explicit exponential_distribution(const param_type& parm);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::param_type P;
+ P p(0.25);
+ D d(p);
+ assert(d.lambda() == 0.25);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eq.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eq.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eq.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eq.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+
+// bool operator=(const exponential_distribution& x,
+// const exponential_distribution& y);
+// bool operator!(const exponential_distribution& x,
+// const exponential_distribution& y);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ D d1(.25);
+ D d2(.25);
+ assert(d1 == d2);
+ }
+ {
+ typedef std::exponential_distribution<> D;
+ D d1(.28);
+ D d2(.25);
+ assert(d1 != d2);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval.pass.cpp Wed May 12 12:08:57 2010
@@ -0,0 +1,53 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 exponential_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::exponential_distribution<> D;
+ typedef D::param_type P;
+ typedef std::knuth_b G;
+ G g;
+ D d(.75);
+ const int N = 1000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ u.push_back(d(g));
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ for (int i = 0; i < u.size(); ++i)
+ var += sqr(u[i] - mean);
+ var /= u.size();
+ D::result_type x_mean = 1/d.lambda();
+ D::result_type x_var = 1/sqr(d.lambda());
+ assert(std::abs(mean - x_mean) / x_mean < 0.01);
+ assert(std::abs(var - x_var) / x_var < 0.01);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval_param.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval_param.pass.cpp Wed May 12 12:08:57 2010
@@ -0,0 +1,54 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 exponential_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::exponential_distribution<> D;
+ typedef D::param_type P;
+ typedef std::knuth_b G;
+ G g;
+ D d(.75);
+ P p(2);
+ const int N = 1000;
+ std::vector<D::result_type> u;
+ for (int i = 0; i < N; ++i)
+ u.push_back(d(g, p));
+ D::result_type mean = std::accumulate(u.begin(), u.end(),
+ D::result_type(0)) / u.size();
+ D::result_type var = 0;
+ for (int i = 0; i < u.size(); ++i)
+ var += sqr(u[i] - mean);
+ var /= u.size();
+ D::result_type x_mean = 1/p.lambda();
+ D::result_type x_var = 1/sqr(p.lambda());
+ assert(std::abs(mean - x_mean) / x_mean < 0.01);
+ assert(std::abs(var - x_var) / x_var < 0.01);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/get_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/get_param.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/get_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/get_param.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+
+// param_type param() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::param_type P;
+ P p(.125);
+ D d(p);
+ assert(d.param() == p);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/io.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/io.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/io.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/io.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+
+// template <class CharT, class Traits, class RealType>
+// basic_ostream<CharT, Traits>&
+// operator<<(basic_ostream<CharT, Traits>& os,
+// const exponential_distribution<RealType>& x);
+
+// template <class CharT, class Traits, class RealType>
+// basic_istream<CharT, Traits>&
+// operator>>(basic_istream<CharT, Traits>& is,
+// exponential_distribution<RealType>& x);
+
+#include <random>
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ D d1(7);
+ 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.exp/max.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/max.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/max.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/max.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+
+// result_type max() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ D d(.25);
+ D::result_type m = d.max();
+ assert(146 < m && m < 147);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/min.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/min.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/min.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/min.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+
+// result_type min() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ D d(.5);
+ assert(d.min() == 0);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_assign.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_assign.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_assign.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_assign.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p0(.7);
+ param_type p;
+ p = p0;
+ assert(p.lambda() == .7);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_copy.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_copy.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_copy.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_copy.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p0(.125);
+ param_type p = p0;
+ assert(p.lambda() == .125);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_ctor.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_ctor.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_ctor.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_ctor.pass.cpp Wed May 12 12:08:57 2010
@@ -0,0 +1,35 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 exponential_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p;
+ assert(p.lambda() == 1);
+ }
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p(10);
+ assert(p.lambda() == 10);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_eq.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_eq.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_eq.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_eq.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p1(0.75);
+ param_type p2(0.75);
+ assert(p1 == p2);
+ }
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p1(0.75);
+ param_type p2(0.5);
+ assert(p1 != p2);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_types.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_types.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_types.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_types.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <type_traits>
+
+int main()
+{
+ {
+ typedef std::exponential_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.exp/set_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/set_param.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/set_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/set_param.pass.cpp Wed May 12 12:08:57 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 exponential_distribution;
+
+// void param(const param_type& parm);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::param_type P;
+ P p(0.25);
+ D d(0.75);
+ d.param(p);
+ assert(d.param() == p);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/types.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/types.pass.cpp?rev=103621&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/types.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/types.pass.cpp Wed May 12 12:08:57 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 exponential_distribution
+// {
+// public:
+// // types
+// typedef RealType result_type;
+
+#include <random>
+#include <type_traits>
+
+int main()
+{
+ {
+ typedef std::exponential_distribution<> D;
+ typedef D::result_type result_type;
+ static_assert((std::is_same<result_type, double>::value), "");
+ }
+ {
+ typedef std::exponential_distribution<float> D;
+ typedef D::result_type result_type;
+ static_assert((std::is_same<result_type, float>::value), "");
+ }
+}
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