[cfe-commits] [libcxx] r103646 - in /libcxx/trunk: include/ test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/
Howard Hinnant
hhinnant at apple.com
Wed May 12 14:02:32 PDT 2010
Author: hhinnant
Date: Wed May 12 16:02:31 2010
New Revision: 103646
URL: http://llvm.org/viewvc/llvm-project?rev=103646&view=rev
Log:
[rand.dist.norm.normal]
Added:
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/assign.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/copy.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_double_double.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eq.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eval.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eval_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/get_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/io.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/max.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/min.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_assign.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_copy.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_ctor.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_eq.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_types.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/set_param.pass.cpp
libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/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=103646&r1=103645&r2=103646&view=diff
==============================================================================
--- libcxx/trunk/include/random (original)
+++ libcxx/trunk/include/random Wed May 12 16:02:31 2010
@@ -686,16 +686,16 @@
public:
typedef exponential_distribution distribution_type;
- explicit param_type(RealType lambda = 1.0);
+ explicit param_type(result_type lambda = 1.0);
- RealType lambda() const;
+ result_type 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(result_type lambda = 1.0);
explicit exponential_distribution(const param_type& parm);
void reset();
@@ -704,7 +704,7 @@
template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions
- RealType lambda() const;
+ result_type lambda() const;
param_type param() const;
void param(const param_type& parm);
@@ -740,7 +740,62 @@
class extreme_value_distribution;
template<class RealType = double>
- class normal_distribution;
+class normal_distribution
+{
+public:
+ // types
+ typedef RealType result_type;
+
+ class param_type
+ {
+ public:
+ typedef normal_distribution distribution_type;
+
+ explicit param_type(result_type mean = 0, result_type stddev = 1);
+
+ result_type mean() const;
+ result_type stddev() 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 normal_distribution(result_type mean = 0, result_type stddev = 1);
+ explicit normal_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 mean() const;
+ result_type stddev() const;
+
+ param_type param() const;
+ void param(const param_type& parm);
+
+ result_type min() const;
+ result_type max() const;
+
+ friend bool operator==(const normal_distribution& x,
+ const normal_distribution& y);
+ friend bool operator!=(const normal_distribution& x,
+ const normal_distribution& y);
+
+ template <class charT, class traits>
+ friend
+ basic_ostream<charT, traits>&
+ operator<<(basic_ostream<charT, traits>& os,
+ const normal_distribution& x);
+
+ template <class charT, class traits>
+ friend
+ basic_istream<charT, traits>&
+ operator>>(basic_istream<charT, traits>& is,
+ normal_distribution& x);
+};
template<class RealType = double>
class lognormal_distribution;
@@ -3171,6 +3226,155 @@
return __is;
}
+// normal_distribution
+
+template<class _RealType = double>
+class normal_distribution
+{
+public:
+ // types
+ typedef _RealType result_type;
+
+ class param_type
+ {
+ result_type __mean_;
+ result_type __stddev_;
+ public:
+ typedef normal_distribution distribution_type;
+
+ explicit param_type(result_type __mean = 0, result_type __stddev = 1)
+ : __mean_(__mean), __stddev_(__stddev) {}
+
+ result_type mean() const {return __mean_;}
+ result_type stddev() const {return __stddev_;}
+
+ friend bool operator==(const param_type& __x, const param_type& __y)
+ {return __x.__mean_ == __y.__mean_ && __x.__stddev_ == __y.__stddev_;}
+ friend bool operator!=(const param_type& __x, const param_type& __y)
+ {return !(__x == __y);}
+ };
+
+private:
+ param_type __p_;
+ result_type _V_;
+ bool _V_hot_;
+
+public:
+ // constructors and reset functions
+ explicit normal_distribution(result_type __mean = 0, result_type __stddev = 1)
+ : __p_(param_type(__mean, __stddev)), _V_hot_(false) {}
+ explicit normal_distribution(const param_type& __p)
+ : __p_(__p), _V_hot_(false) {}
+ void reset() {_V_hot_ = false;}
+
+ // 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 mean() const {return __p_.mean();}
+ result_type stddev() const {return __p_.stddev();}
+
+ 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 normal_distribution& __x,
+ const normal_distribution& __y)
+ {return __x.__p_ == __y.__p_ && __x._V_hot_ == __y._V_hot_ &&
+ (!__x._V_hot_ || __x._V_ == __y._V_);}
+ friend bool operator!=(const normal_distribution& __x,
+ const normal_distribution& __y)
+ {return !(__x == __y);}
+
+ template <class _CharT, class _Traits, class _RT>
+ friend
+ basic_ostream<_CharT, _Traits>&
+ operator<<(basic_ostream<_CharT, _Traits>& __os,
+ const normal_distribution<_RT>& __x);
+
+ template <class _CharT, class _Traits, class _RT>
+ friend
+ basic_istream<_CharT, _Traits>&
+ operator>>(basic_istream<_CharT, _Traits>& __is,
+ normal_distribution<_RT>& __x);
+};
+
+template <class _RealType>
+template<class _URNG>
+_RealType
+normal_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
+{
+ result_type _U;
+ if (_V_hot_)
+ {
+ _V_hot_ = false;
+ _U = _V_;
+ }
+ else
+ {
+ uniform_real_distribution<result_type> _Uni(-1, 1);
+ result_type __u;
+ result_type __v;
+ result_type __s;
+ do
+ {
+ __u = _Uni(__g);
+ __v = _Uni(__g);
+ __s = __u * __u + __v * __v;
+ } while (__s > 1 || __s == 0);
+ result_type _F = _STD::sqrt(-2 * _STD::log(__s) / __s);
+ _V_ = __v * _F;
+ _V_hot_ = true;
+ _U = __u * _F;
+ }
+ return _U * __p.stddev() + __p.mean();
+}
+
+template <class _CharT, class _Traits, class _RT>
+basic_ostream<_CharT, _Traits>&
+operator<<(basic_ostream<_CharT, _Traits>& __os,
+ const normal_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.mean() << __sp << __x.stddev() << __sp << __x._V_hot_;
+ if (__x._V_hot_)
+ __os << __sp << __x._V_;
+ return __os;
+}
+
+template <class _CharT, class _Traits, class _RT>
+basic_istream<_CharT, _Traits>&
+operator>>(basic_istream<_CharT, _Traits>& __is,
+ normal_distribution<_RT>& __x)
+{
+ typedef normal_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 __mean;
+ result_type __stddev;
+ result_type _V = 0;
+ bool _V_hot = false;
+ __is >> __mean >> __stddev >> _V_hot;
+ if (_V_hot)
+ __is >> _V;
+ if (!__is.fail())
+ {
+ __x.param(param_type(__mean, __stddev));
+ __x._V_hot_ = _V_hot;
+ __x._V_ = _V;
+ }
+ return __is;
+}
+
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_RANDOM
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/assign.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/assign.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/assign.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/assign.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+
+// normal_distribution& operator=(const normal_distribution&);
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+ typedef std::normal_distribution<> D;
+ D d1(20, 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.norm/rand.dist.norm.normal/copy.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/copy.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/copy.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/copy.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+
+// normal_distribution(const normal_distribution&);
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+ typedef std::normal_distribution<> D;
+ D d1(20, 1.75);
+ D d2 = d1;
+ assert(d1 == d2);
+}
+
+int main()
+{
+ test1();
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_double_double.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_double_double.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_double_double.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_double_double.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+
+// explicit normal_distribution(result_type mean = 0, result_type stddev = 1);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_distribution<> D;
+ D d;
+ assert(d.mean() == 0);
+ assert(d.stddev() == 1);
+ }
+ {
+ typedef std::normal_distribution<> D;
+ D d(14.5);
+ assert(d.mean() == 14.5);
+ assert(d.stddev() == 1);
+ }
+ {
+ typedef std::normal_distribution<> D;
+ D d(14.5, 5.25);
+ assert(d.mean() == 14.5);
+ assert(d.stddev() == 5.25);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_param.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/ctor_param.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+
+// explicit normal_distribution(const param_type& parm);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_distribution<> D;
+ typedef D::param_type P;
+ P p(0.25, 10);
+ D d(p);
+ assert(d.mean() == 0.25);
+ assert(d.stddev() == 10);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eq.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eq.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eq.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eq.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+
+// bool operator=(const normal_distribution& x,
+// const normal_distribution& y);
+// bool operator!(const normal_distribution& x,
+// const normal_distribution& y);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_distribution<> D;
+ D d1(2.5, 4);
+ D d2(2.5, 4);
+ assert(d1 == d2);
+ }
+ {
+ typedef std::normal_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.norm/rand.dist.norm.normal/eval.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eval.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eval.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eval.pass.cpp Wed May 12 16:02:31 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 normal_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::normal_distribution<> D;
+ typedef D::param_type P;
+ typedef std::minstd_rand G;
+ G g;
+ D d(5, 4);
+ 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 = d.mean();
+ D::result_type x_var = sqr(d.stddev());
+ 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.norm/rand.dist.norm.normal/eval_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eval_param.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eval_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/eval_param.pass.cpp Wed May 12 16:02:31 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 normal_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::normal_distribution<> D;
+ typedef D::param_type P;
+ typedef std::minstd_rand G;
+ G g;
+ D d(5, 4);
+ P p(50, .5);
+ 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 = p.mean();
+ D::result_type x_var = sqr(p.stddev());
+ 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.norm/rand.dist.norm.normal/get_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/get_param.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/get_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/get_param.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+
+// param_type param() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_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.norm/rand.dist.norm.normal/io.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/io.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/io.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/io.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+
+// template <class CharT, class Traits, class RealType>
+// basic_ostream<CharT, Traits>&
+// operator<<(basic_ostream<CharT, Traits>& os,
+// const normal_distribution<RealType>& x);
+
+// template <class CharT, class Traits, class RealType>
+// basic_istream<CharT, Traits>&
+// operator>>(basic_istream<CharT, Traits>& is,
+// normal_distribution<RealType>& x);
+
+#include <random>
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_distribution<> D;
+ D d1(7, 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.norm/rand.dist.norm.normal/max.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/max.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/max.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/max.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+
+// result_type max() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_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.norm/rand.dist.norm.normal/min.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/min.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/min.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/min.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+
+// result_type min() const;
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_distribution<> D;
+ D d(.5, .5);
+ assert(d.min() == -INFINITY);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_assign.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_assign.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_assign.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_assign.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p0(.75, 6);
+ param_type p;
+ p = p0;
+ assert(p.mean() == .75);
+ assert(p.stddev() == 6);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_copy.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_copy.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_copy.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_copy.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p0(10, .125);
+ param_type p = p0;
+ assert(p.mean() == 10);
+ assert(p.stddev() == .125);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_ctor.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_ctor.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_ctor.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_ctor.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p;
+ assert(p.mean() == 0);
+ assert(p.stddev() == 1);
+ }
+ {
+ typedef std::normal_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p(10);
+ assert(p.mean() == 10);
+ assert(p.stddev() == 1);
+ }
+ {
+ typedef std::normal_distribution<> D;
+ typedef D::param_type param_type;
+ param_type p(10, 5);
+ assert(p.mean() == 10);
+ assert(p.stddev() == 5);
+ }
+}
Added: libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_eq.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_eq.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_eq.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_eq.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_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::normal_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.norm/rand.dist.norm.normal/param_types.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_types.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_types.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/param_types.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+// {
+// class param_type;
+
+#include <random>
+#include <type_traits>
+
+int main()
+{
+ {
+ typedef std::normal_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.norm/rand.dist.norm.normal/set_param.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/set_param.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/set_param.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/set_param.pass.cpp Wed May 12 16:02:31 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 normal_distribution;
+
+// void param(const param_type& parm);
+
+#include <random>
+#include <cassert>
+
+int main()
+{
+ {
+ typedef std::normal_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.norm/rand.dist.norm.normal/types.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/types.pass.cpp?rev=103646&view=auto
==============================================================================
--- libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/types.pass.cpp (added)
+++ libcxx/trunk/test/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.normal/types.pass.cpp Wed May 12 16:02:31 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 normal_distribution
+// {
+// public:
+// // types
+// typedef RealType result_type;
+
+#include <random>
+#include <type_traits>
+
+int main()
+{
+ {
+ typedef std::normal_distribution<> D;
+ typedef D::result_type result_type;
+ static_assert((std::is_same<result_type, double>::value), "");
+ }
+ {
+ typedef std::normal_distribution<float> D;
+ typedef D::result_type result_type;
+ static_assert((std::is_same<result_type, float>::value), "");
+ }
+}
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