diff options
20 files changed, 786 insertions, 3 deletions
diff --git a/libcxx/include/random b/libcxx/include/random index 0f2c6eae24f..849dce4c1eb 100644 --- a/libcxx/include/random +++ b/libcxx/include/random @@ -675,7 +675,60 @@ template<class IntType = int> 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 @@ template<class RealType = double> #include <string> #include <istream> #include <ostream> +#include <cmath> #pragma GCC system_header @@ -2460,6 +2514,8 @@ seed_seq::generate(_RandomAccessIterator __first, _RandomAccessIterator __last) } } +// generate_canonical + template<class _RealType, size_t __bits, class _URNG> _RealType generate_canonical(_URNG& __g) @@ -2599,6 +2655,8 @@ __independent_bits_engine<_Engine, _UIntType>::__eval(true_type) return _S; } +// uniform_int_distribution + template<class _IntType = int> class uniform_int_distribution { @@ -2716,6 +2774,8 @@ operator>>(basic_istream<_CharT, _Traits>& __is, return __is; } +// uniform_real_distribution + template<class _RealType = double> class uniform_real_distribution { @@ -2817,6 +2877,8 @@ operator>>(basic_istream<_CharT, _Traits>& __is, return __is; } +// bernoulli_distribution + class bernoulli_distribution { public: @@ -2905,6 +2967,8 @@ operator>>(basic_istream<_CharT, _Traits>& __is, bernoulli_distribution& __x) return __is; } +// binomial_distribution + template<class _IntType = int> class binomial_distribution { @@ -3007,6 +3071,106 @@ operator>>(basic_istream<_CharT, _Traits>& __is, 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 diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp index 9727949a48a..74139d4d6be 100644 --- a/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp @@ -17,8 +17,6 @@ #include <random> #include <cassert> -#include <iostream> - int main() { { diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/assign.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/assign.pass.cpp new file mode 100644 index 00000000000..5a54926e8ce --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/assign.pass.cpp @@ -0,0 +1,34 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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(); +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/copy.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/copy.pass.cpp new file mode 100644 index 00000000000..1b9a563e1aa --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/copy.pass.cpp @@ -0,0 +1,32 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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(); +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_double.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_double.pass.cpp new file mode 100644 index 00000000000..cafd42c923a --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_double.pass.cpp @@ -0,0 +1,32 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_param.pass.cpp new file mode 100644 index 00000000000..4585f19fd40 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/ctor_param.pass.cpp @@ -0,0 +1,29 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eq.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eq.pass.cpp new file mode 100644 index 00000000000..704232f5919 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eq.pass.cpp @@ -0,0 +1,37 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval.pass.cpp new file mode 100644 index 00000000000..48cfc7ed628 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval.pass.cpp @@ -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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval_param.pass.cpp new file mode 100644 index 00000000000..e51b45e3608 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/eval_param.pass.cpp @@ -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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/get_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/get_param.pass.cpp new file mode 100644 index 00000000000..fcd08b27144 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/get_param.pass.cpp @@ -0,0 +1,29 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/io.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/io.pass.cpp new file mode 100644 index 00000000000..953a588249c --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/io.pass.cpp @@ -0,0 +1,41 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/max.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/max.pass.cpp new file mode 100644 index 00000000000..004b8787a44 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/max.pass.cpp @@ -0,0 +1,28 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/min.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/min.pass.cpp new file mode 100644 index 00000000000..d21419559b5 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/min.pass.cpp @@ -0,0 +1,27 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class exponential_distribution + +// result_type min() const; + +#include <random> +#include <cassert> + +int main() +{ + { + typedef std::exponential_distribution<> D; + D d(.5); + assert(d.min() == 0); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_assign.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_assign.pass.cpp new file mode 100644 index 00000000000..eecd79ab83d --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_assign.pass.cpp @@ -0,0 +1,31 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_copy.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_copy.pass.cpp new file mode 100644 index 00000000000..c7c5c1c9c9b --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_copy.pass.cpp @@ -0,0 +1,30 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_ctor.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_ctor.pass.cpp new file mode 100644 index 00000000000..d042225c973 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_ctor.pass.cpp @@ -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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_eq.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_eq.pass.cpp new file mode 100644 index 00000000000..64185041f4f --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_eq.pass.cpp @@ -0,0 +1,37 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_types.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_types.pass.cpp new file mode 100644 index 00000000000..9795a4539a8 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/param_types.pass.cpp @@ -0,0 +1,28 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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), ""); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/set_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/set_param.pass.cpp new file mode 100644 index 00000000000..125b1d3ff00 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/set_param.pass.cpp @@ -0,0 +1,30 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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); + } +} diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/types.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/types.pass.cpp new file mode 100644 index 00000000000..e8023860d42 --- /dev/null +++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.pois/rand.dist.pois.exp/types.pass.cpp @@ -0,0 +1,34 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <random> + +// template<class RealType = double> +// class 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), ""); + } +} |
