diff options
| author | Paolo Carlini <paolo@gcc.gnu.org> | 2006-06-05 07:33:18 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2006-06-05 07:33:18 +0000 |
| commit | 86ad0dd600b5da40ac5c0ebd8dc230a603d3fce2 (patch) | |
| tree | 71961b684483462b55c7cd99d08389739a5e2c7c /libstdc++-v3 | |
| parent | 2b643edaf8c711e67a882d4508b114fbf1210233 (diff) | |
| download | gcc-86ad0dd600b5da40ac5c0ebd8dc230a603d3fce2.zip gcc-86ad0dd600b5da40ac5c0ebd8dc230a603d3fce2.tar.gz gcc-86ad0dd600b5da40ac5c0ebd8dc230a603d3fce2.tar.bz2 | |
[multiple changes]
2006-06-05 Paolo Carlini <pcarlini@suse.de>
* include/tr1/random.tcc (Max::value()): Cast 1 to Tp(1) and
adjust shift count to w; rename as Max_w.
(struct Mod_w): New.
(mersenne_twister<>::seed(Gen&, false_type): Use the latter.
(mersenne_twister<>::operator()()): Fix ~0ul to ~_UInt().
* testsuite/tr1/5_numerical_facilies/random/mersenne_twister/
cons/default.cc: Fix ~0ul to 2^32-1.
* testsuite/tr1/5_numerical_facilies/random/mersenne_twister/
cons/gen1.cc: Likewise.
2006-06-05 Stephen M. Webb <stephen.webb@bregmasoft.com>
* include/tr1/random: New.
* include/tr1/random.tcc: Likewise.
* include/Makefile.am: Add.
* testsuite/tr1/5_numerical_facilies/random/ranlux3.cc: New.
* testsuite/tr1/5_numerical_facilies/random/ranlux4.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/mt19937.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/variate_generator/
requirements/typedefs.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/
cons/seed1.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/
cons/seed2.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/
cons/default.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/
cons/gen1.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/
requirements/typedefs.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/
operators/equal.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/
operators/not_equal.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/
operators/serialize.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/uniform_real/
requirements/typedefs.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/discard_block/
requirements/requirements.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/linear_congruential/
cons/seed1.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/linear_congruential/
cons/seed2.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/linear_congruential/
cons/default.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/linear_congruential/
cons/gen1.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/linear_congruential/
requirements/non_uint_neg.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/linear_congruential/
requirements/typedefs.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/linear_congruential/
operators/equal.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/linear_congruential/
operators/not_equal.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/linear_congruential/
operators/serialize.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/xor_combine/
requirements/typedefs.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/minstd_rand.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/minstd_rand0.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/uniform_int/
cons/range.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/uniform_int/
cons/default.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/uniform_int/
cons/range_neg.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/uniform_int/
requirements/typedefs.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/mersenne_twister/
cons/seed1.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/mersenne_twister/
cons/seed2.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/mersenne_twister/
cons/default.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/mersenne_twister/
cons/gen1.cc: Likewise.
* testsuite/tr1/5_numerical_facilies/random/mersenne_twister/
requirements/typedefs.cc: Likewise.
* include/Makefile.in: Regenerate.
* testsuite/tr1/headers.cc: Update.
From-SVN: r114384
Diffstat (limited to 'libstdc++-v3')
41 files changed, 3629 insertions, 0 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 0990cbd..1c04e88 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,88 @@ +2006-06-05 Paolo Carlini <pcarlini@suse.de> + + * include/tr1/random.tcc (Max::value()): Cast 1 to Tp(1) and + adjust shift count to w; rename as Max_w. + (struct Mod_w): New. + (mersenne_twister<>::seed(Gen&, false_type): Use the latter. + (mersenne_twister<>::operator()()): Fix ~0ul to ~_UInt(). + * testsuite/tr1/5_numerical_facilies/random/mersenne_twister/ + cons/default.cc: Fix ~0ul to 2^32-1. + * testsuite/tr1/5_numerical_facilies/random/mersenne_twister/ + cons/gen1.cc: Likewise. + +2006-06-05 Stephen M. Webb <stephen.webb@bregmasoft.com> + + * include/tr1/random: New. + * include/tr1/random.tcc: Likewise. + * include/Makefile.am: Add. + * testsuite/tr1/5_numerical_facilies/random/ranlux3.cc: New. + * testsuite/tr1/5_numerical_facilies/random/ranlux4.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/mt19937.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/variate_generator/ + requirements/typedefs.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/ + cons/seed1.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/ + cons/seed2.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/ + cons/default.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/ + cons/gen1.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/ + requirements/typedefs.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/ + operators/equal.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/ + operators/not_equal.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/ + operators/serialize.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/uniform_real/ + requirements/typedefs.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/discard_block/ + requirements/requirements.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/linear_congruential/ + cons/seed1.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/linear_congruential/ + cons/seed2.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/linear_congruential/ + cons/default.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/linear_congruential/ + cons/gen1.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/linear_congruential/ + requirements/non_uint_neg.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/linear_congruential/ + requirements/typedefs.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/linear_congruential/ + operators/equal.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/linear_congruential/ + operators/not_equal.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/linear_congruential/ + operators/serialize.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/xor_combine/ + requirements/typedefs.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/minstd_rand.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/minstd_rand0.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/uniform_int/ + cons/range.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/uniform_int/ + cons/default.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/uniform_int/ + cons/range_neg.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/uniform_int/ + requirements/typedefs.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/mersenne_twister/ + cons/seed1.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/mersenne_twister/ + cons/seed2.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/mersenne_twister/ + cons/default.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/mersenne_twister/ + cons/gen1.cc: Likewise. + * testsuite/tr1/5_numerical_facilies/random/mersenne_twister/ + requirements/typedefs.cc: Likewise. + * include/Makefile.in: Regenerate. + * testsuite/tr1/headers.cc: Update. + 2006-06-04 Paolo Carlini <pcarlini@suse.de> PR libstdc++/27867 diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am index 37538b4..9d9e34b 100644 --- a/libstdc++-v3/include/Makefile.am +++ b/libstdc++-v3/include/Makefile.am @@ -512,6 +512,8 @@ tr1_headers = \ ${tr1_srcdir}/math.h \ ${tr1_srcdir}/memory \ ${tr1_srcdir}/mu_iterate.h \ + ${tr1_srcdir}/random \ + ${tr1_srcdir}/random.tcc \ ${tr1_srcdir}/ref_fwd.h \ ${tr1_srcdir}/ref_wrap_iterate.h \ ${tr1_srcdir}/repeat.h \ diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in index 7e2f744..b130530 100644 --- a/libstdc++-v3/include/Makefile.in +++ b/libstdc++-v3/include/Makefile.in @@ -731,6 +731,8 @@ tr1_headers = \ ${tr1_srcdir}/math.h \ ${tr1_srcdir}/memory \ ${tr1_srcdir}/mu_iterate.h \ + ${tr1_srcdir}/random \ + ${tr1_srcdir}/random.tcc \ ${tr1_srcdir}/ref_fwd.h \ ${tr1_srcdir}/ref_wrap_iterate.h \ ${tr1_srcdir}/repeat.h \ diff --git a/libstdc++-v3/include/tr1/random b/libstdc++-v3/include/tr1/random new file mode 100644 index 0000000..a4ec86e --- /dev/null +++ b/libstdc++-v3/include/tr1/random @@ -0,0 +1,1609 @@ +// random number generation -*- C++ -*- + +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +#ifndef _STD_TR1_RANDOM +#define _STD_TR1_RANDOM 1 + +/** + * @file + * This is a TR1 C++ Library header. + */ + +#include <algorithm> +#include <bits/concept_check.h> +#include <bits/cpp_type_traits.h> +#include <cmath> +#include <debug/debug.h> +#include <iterator> +#include <iosfwd> +#include <limits> +#include <tr1/type_traits> + +namespace std +{ +_GLIBCXX_BEGIN_NAMESPACE(tr1) + + // [5.1] Random number generation + + /** + * @addtogroup tr1_random Random Number Generation + * A facility for generating random numbers on selected distributions. + * @{ + */ + + /* + * Implementation-space details. + */ + namespace _Private + { + // Type selectors -- are these already implemeted elsewhere? + template<bool, typename _TpTrue, typename _TpFalse> + struct _Select + { + typedef _TpTrue Type; + }; + + template<typename _TpTrue, typename _TpFalse> + struct _Select<false, _TpTrue, _TpFalse> + { + typedef _TpFalse Type; + }; + + /* + * An adaptor class for converting the output of any Generator into + * the input for a specific Distribution. + */ + template<typename _Generator, typename _Distribution> + struct _Adaptor + { + typedef typename _Generator::result_type generated_type; + typedef typename _Distribution::input_type result_type; + + public: + _Adaptor(const _Generator& __g) + : _M_g(__g) { } + + result_type + operator()(); + + private: + _Generator _M_g; + }; + + /* + * Converts a value generated by the adapted random number genereator into a + * value in the input domain for the dependent random number distribution. + * + * Because the type traits are compile time constants only the appropriate + * clause of the if statements will actually be emitted by the compiler. + */ + template<typename _Generator, typename _Distribution> + typename _Adaptor<_Generator, _Distribution>::result_type + _Adaptor<_Generator, _Distribution>:: + operator()() + { + result_type __return_value = 0; + if (is_integral<generated_type>::value + && is_integral<result_type>::value) + __return_value = _M_g(); + else if (is_integral<generated_type>::value + && !is_integral<result_type>::value) + __return_value = result_type(_M_g()) + / result_type(_M_g.max() - _M_g.min() + 1); + else if (!is_integral<generated_type>::value + && !is_integral<result_type>::value) + __return_value = result_type(_M_g()) + / result_type(_M_g.max() - _M_g.min()); + return __return_value; + } + + } // namespace std::tr1::_Private + + + /** + * Produces random numbers on a given disribution function using a un uniform + * random number generation engine. + * + * @todo the engine_value_type needs to be studied more carefully. + */ + template<typename _Generator, typename _Dist> + class variate_generator + { + // Concept requirements. + __glibcxx_class_requires(_Generator, _CopyConstructibleConcept) + // __glibcxx_class_requires(_Generator, _GeneratorConcept) + // __glibcxx_class_requires(_Dist, _GeneratorConcept) + + public: + typedef _Generator engine_type; + typedef _Private::_Adaptor<_Generator, _Dist> engine_value_type; + typedef _Dist distribution_type; + typedef typename _Dist::result_type result_type; + + // tr1:5.1.1 table 5.1 requirement + typedef typename std::__enable_if<result_type, + is_arithmetic<result_type>::value + >::__type _IsValidType; + + public: + /** + * Constructs a variate generator with the uniform random number + * generator @p eng for the random distribution @p d. + * + * @throws Any exceptions which may thrown by the copy constructors of the + * @p _Generator or @p _Dist objects. + */ + variate_generator(engine_type __eng, distribution_type __dist) + : _M_engine(__eng), _M_dist(__dist) { } + + /** + * Gets the next generated value on the distribution. + */ + result_type + operator()(); + + template<typename _Tp> + result_type + operator()(_Tp __value); + + /** + * Gets a reference to the underlying uniform random number generator + * object. + */ + engine_value_type& + engine() + { return _M_engine; } + + /** + * Gets a const reference to the underlying uniform random number + * generator object. + */ + const engine_value_type& + engine() const + { return _M_engine; } + + /** + * Gets a reference to the underlying random distribution. + */ + distribution_type& + distribution() + { return _M_dist; } + + /** + * Gets a const reference to the underlying random distribution. + */ + const distribution_type& + distribution() const + { return _M_dist; } + + /** + * Gets the closed lower bound of the distribution interval. + */ + result_type + min() const + { return this->distribution().min(); } + + /** + * Gets the closed upper bound of the distribution interval. + */ + result_type + max() const + { return this->distribution().max(); } + + private: + engine_value_type _M_engine; + distribution_type _M_dist; + }; + + /** + * Gets the next random value on the given distribution. + */ + template<typename _Generator, typename _Dist> + typename variate_generator<_Generator, _Dist>::result_type + variate_generator<_Generator, _Dist>:: + operator()() + { return _M_dist(_M_engine); } + + /** + * WTF? + */ + template<typename _Generator, typename _Dist> + template<typename _Tp> + typename variate_generator<_Generator, _Dist>::result_type + variate_generator<_Generator, _Dist>:: + operator()(_Tp __value) + { return _M_dist(_M_engine, __value); } + + + /** + * @addtogroup tr1_random_generators Random Number Generators + * @ingroup tr1_random + * + * These classes define objects which provide random or pseudorandom numbers, + * either from a discrete or a continuous interval. The random number + * generator supplied as a part of this library are all uniform random number + * generators which provide a sequence of random number uniformly distributed + * over their range. + * + * A number generator is a function object with an operator() that takes zero + * arguments and returns a number. + * + * A compliant random number generator must satisy the following requirements. + * <table border=1 cellpadding=10 cellspacing=0> + * <caption align=top>Random Number Generator Requirements</caption> + * <tr><td>To be documented.</td></tr> + * </table> + * + * @{ + */ + + /** + * @brief A model of a linear congruential random number generator. + * + * A random number generator that produces pseudorandom numbers using the + * linear function @f$x_{i+1}\leftarrow(ax_{i} + c) \bmod m @f$. + * + * The template parameter @p UIntType must be an unsigned integral type large + * enough to store values up to (m-1). If the template parameter @p m is 0, + * the modulus @p m used is std::numeric_limits<UIntType>::max() plus 1. + * Otherwise, the template parameters @p a and @p c must be less than @p m. + * + * The size of the state is @f$ 1 @f$. + */ + template<class UIntType, UIntType a, UIntType c, UIntType m> + class linear_congruential + { + __glibcxx_class_requires(UIntType, _UnsignedIntegerConcept) + // __glibcpp_class_requires(a < m && c < m) + + public: + /** The type of the generated random value. */ + typedef UIntType result_type; + + /** The multiplier. */ + static const UIntType multiplier = a; + /** An increment. */ + static const UIntType increment = c; + /** The modulus. */ + static const UIntType modulus = m; + + /** + * Constructs a %linear_congruential random number generator engine with + * seed @p s. The default seed value is 1. + * + * @param s The initial seed value. + */ + explicit linear_congruential(unsigned long s = 1); + + /** + * Constructs a %linear_congruential random number generator engine + * seeded from the generator function @g. + * + * @param g The seed generator function. + */ + template<class Gen> + linear_congruential(Gen& g); + + /** + * Resets the %linear_congruential random number generator engine sequence + * to @p. + * + * @param s The new seed. + */ + void + seed(unsigned long s = 1); + + /** + * Resets the %linear_congruential random number generator engine sequence + * using a vlaue from the generator function @g. + * + * @param g the seed generator function. + */ + template<class Gen> + void + seed(Gen& g) + { seed(g, typename is_fundamental<Gen>::type()); } + + /** + * Gets the smallest possible value in the output range. + */ + result_type + min() const; + + /** + * Gets the largest possible value in the output range. + */ + result_type + max() const; + + /** + * Gets the next random number in the sequence. + */ + result_type + operator()(); + + /** + * Compares two linear congruential random number generator objects of the + * same type for equality. + * + * @param lhs A linear congruential random number generator object. + * @param rhs Another linear congruential random number generator object. + * + * @returns true if the two objects are equal, false otherwise. + */ + friend bool + operator==(const linear_congruential& lhs, const linear_congruential& rhs) + { return lhs.m_x == rhs.m_x; } + + /** + * Compares two linear congruential random number generator objects of the + * same type for inequality. + * + * @param lhs A linear congruential random number generator object. + * @param rhs Another linear congruential random number generator object. + * + * @returns true if the two objects are not equal, false otherwise. + */ + friend bool + operator!=(const linear_congruential& lhs, const linear_congruential& rhs) + { return !(lhs == rhs); } + + /** + * Writes the textual representation of the state x(i) of x to @p os. + * + * @param os The output stream. + * @param lcr A linear_congruential random number generator. + * @returns os. + */ + template<typename CharT, typename Traits> + friend std::basic_ostream<CharT, Traits>& + operator<<(std::basic_ostream<CharT, Traits>& os, + const linear_congruential& lcr) + { return os << lcr.m_x; } + + /** + * Sets the state of the engine by reading its textual + * representation from @p is. + * + * The textual representation must have been previously written using an + * output stream whose imbued locale and whose type's template + * specialization arguments CharT and Traits were the same as those of + * @p is. + * + * @param is The input stream. + * @param lcr A linear_congruential random number generator. + * @returns os. + */ + template<typename CharT, typename Traits> + friend std::basic_istream<CharT, Traits>& + operator>>(std::basic_istream<CharT, Traits>& is, + linear_congruential& lcr) + { return is >> lcr.m_x; } + + private: + template<class Gen> + void + seed(Gen& g, true_type) + { return seed(static_cast<unsigned long>(g)); } + + template<class Gen> + void + seed(Gen& g, false_type); + + private: + UIntType m_x; + }; + + /** + * The classic Minimum Standard rand0 of Lewis, Goodman, and Miller. + */ + typedef linear_congruential<unsigned int, 16807, 0, 2147483647> minstd_rand0; + + /** + * An alternative LCR (Lehmer Generator function) . + */ + typedef linear_congruential<unsigned int, 48271, 0, 2147483647> minstd_rand; + + + /** + * A generalized feedback shift register discrete random number generator. + * + * This algorithm avoind multiplication and division and is designed to be + * friendly to a pipelined architecture. If the parameters are chosen + * correctly, this generator will produce numbers with a very long period and + * fairly good apparent entropy, although still not cryptographically strong. + * + * The best way to use this generator is with the predefined mt19937 class. + * + * This algorithm was originally invented by Makoto Matsumoto and + * Takuji Nishimura. + * + * @var word_size The number of bits in each element of the state vector. + * @var state_size The degree of recursion. + * @var shift_size The period parameter. + * @var mask_bits The separation point bit index. + * @var parameter_a The last row of the twist matrix. + * @var output_u The first right-shift tempering matrix parameter. + * @var output_s The first left-shift tempering matrix parameter. + * @var output_b The first left-shift tempering matrix mask. + * @var output_t The second left-shift tempering matrix parameter. + * @var output_c The second left-shift tempering matrix mask. + * @var output_l The second right-shift tempering matrix parameter. + */ + template<class UIntType, int w, int n, int m, int r, + UIntType a, int u, int s, UIntType b, int t, UIntType c, int l> + class mersenne_twister + { + __glibcxx_class_requires(UIntType, _UnsignedIntegerConcept) + + public: + // types + typedef UIntType result_type ; + + // parameter values + static const int word_size = w; + static const int state_size = n; + static const int shift_size = m; + static const int mask_bits = r; + static const UIntType parameter_a = a; + static const int output_u = u; + static const int output_s = s; + static const UIntType output_b = b; + static const int output_t = t; + static const UIntType output_c = c; + static const int output_l = l; + + // constructors and member function + mersenne_twister() + { seed(); } + + explicit + mersenne_twister(unsigned long value) + { seed(value); } + + template<class Gen> + mersenne_twister(Gen& g) + { seed(g); } + + void + seed() + { seed(0UL); } + + void + seed(unsigned long value); + + template<class Gen> + void + seed(Gen& g) + { seed(g, typename is_fundamental<Gen>::type()); } + + result_type + min() const + { return 0; }; + + result_type + max() const; + + result_type + operator()(); + + private: + template<class Gen> + void + seed(Gen& g, true_type) + { return seed(static_cast<unsigned long>(g)); } + + template<class Gen> + void + seed(Gen& g, false_type); + + private: + UIntType _M_x[state_size]; + int _M_p; + }; + + /** + * The classic Mersenne Twister. + * + * Reference: + * M. Matsumoto and T. Nishimura, "Mersenne Twister: A 623-Dimensionally + * Equidistributed Uniform Pseudo-Random Number Generator", ACM Transactions + * on Modeling and Computer Simulation, Vol. 8, No. 1, January 1998, pp 3-30. + */ + typedef mersenne_twister< + unsigned long, 32, 624, 397, 31, + 0x9908b0dful, 11, 7, + 0x9d2c5680ul, 15, + 0xefc60000ul, 18 + > mt19937; + + + /** + * @brief The Marsaglia-Zaman generator. + * + * This is a model of a Generalized Fibonacci discrete random number + * generator, sometimes referred to as the SWC generator. + * + * A discrete random number generator that produces pseudorandom numbers using + * @f$x_{i}\leftarrow(x_{i - s} - x_{i - r} - carry_{i-1}) \bmod m @f$. + * + * The size of the state is @f$ r @f$ + * and the maximum period of the generator is @f$ m^r - m^s -1 @f$. + * + * N1688[4.13] says "the template parameter _IntType shall denote an integral + * type large enough to store values up to m." + * + * @if maint + * @var _M_x The state of te generator. This is a ring buffer. + * @var _M_carry The carry. + * @var _M_p Current index of x(i - r). + * @endif + */ + template<typename _IntType, _IntType m, int s, int r> + class subtract_with_carry + { + __glibcxx_class_requires(_IntType, _IntegerConcept) + + public: + /** The type of the generated random value. */ + typedef _IntType result_type; + + // parameter values + static const _IntType modulus = m; + static const int long_lag = r; + static const int short_lag = s; + + public: + /** + * Constructs a default-initialized % subtract_with_carry random number + * generator. + */ + subtract_with_carry() + { this->seed(); } + + /** + * Constructs an explicitly seeded % subtract_with_carry random number + * generator. + */ + explicit + subtract_with_carry(_IntType __value) + { this->seed(__value); } + + /** + * Constructs a % subtract_with_carry random number generator seeded from + * the PAD iterated by [__first, last). + */ + template<class Gen> + subtract_with_carry(Gen& g) + { this->seed(g); } + + /** + * Seeds the initial state @f$ x_0 @f$ of the random number generator. + * + * @note This implementation follows the tr1 specification but will + * obviously not work correctly on all platforms, since it has hardcoded + * values that may overflow ints on some platforms. + * + * N1688[4.19] modifies this as follows. + * If @p __value == 0, sets value to 19780503. In any case, with a linear + * congruential generator lcg(i) having parameters @f$ m_{lcg} = + * 2147483563, a_{lcg} = 40014, c_{lcg} = 0, and lcg(0) = value @f$, sets + * @f$ x_{-r} \dots x_{-1} @f$ to + * @f$ lcg(1) \bmod m \dots lcg(r) \bmod m @f$ respectively. + * If @f$ x_{-1} = 0 @f$ set carry to 1, otherwise sets carry to 0. + */ + void + seed(_IntType __value = 19780503); + + /** + * Seeds the initial state @f$ x_0 @f$ of the % subtract_with_carry + * random number generator. + */ + template<class Gen> + void + seed(Gen& g) + { seed(g, typename is_fundamental<Gen>::type()); } + + /** + * Gets the inclusive minimum value of the range of random integers + * returned by this generator. + */ + result_type + min() const + { return 0; } + + /** + * Gets the inclusive maximum value of the range of random integers + * returned by this generator. + */ + result_type + max() const + { return this->modulus - 1; } + + /** + * Gets the next random number in the sequence. + */ + result_type + operator()(); + + /** + * Compares two % subtract_with_carry random number generator objects of + * the same type for equality. + * + * @param __lhs A % subtract_with_carry random number generator object. + * @param __rhs Another % subtract_with_carry random number generator + * object. + * + * @returns true if the two objects are equal, false otherwise. + */ + friend bool + operator==(const subtract_with_carry& __lhs, + const subtract_with_carry& __rhs) + { + return ((__lhs._M_x[0] == __rhs._M_x[0]) + && (__lhs._M_x[r-1] == __rhs._M_x[r-1])); + } + + /** + * Compares two % subtract_with_carry random number generator objects of + * the same type for inequality. + * + * @param __lhs A % subtract_with_carry random number generator object. + * @param __rhs Another % subtract_with_carry random number generator + * object. + * + * @returns true if the two objects are not equal, false otherwise. + */ + friend bool + operator!=(const subtract_with_carry& __lhs, + const subtract_with_carry& __rhs) + { return !(__lhs == __rhs); } + + /** + * Inserts the current state of a % subtract_with_carry random number + * genator engine @p x into the output stream @p os. + * + * @param __os An output stream. + * @param __x A % subtract_with_carry random number generator engine. + * + * @returns The output stream with the state of @p x inserted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, + const subtract_with_carry& __x) + { + std::copy(__x._M_x, __x._M_x + r, + std::ostream_iterator<_IntType>(__os, " ")); + return __os << __x._M_carry; + } + + /** + * Extracts the current state of a % subtract_with_carry random number + * gerator engine @p x from the input stream @p is. + * + * @param __is An input stream. + * @param __x A % subtract_with_carry random number generator engine. + * + * @returns The input stream with the state of @p x extracted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, + subtract_with_carry& __x) + { + for (int __i = 0; __i < r; ++__i) + __is >> __x._M_x[__i]; + __is >> __x._M_carry; + return __is; + } + + private: + template<class Gen> + void + seed(Gen& g, true_type) + { return seed(static_cast<unsigned long>(g)); } + + template<class Gen> + void + seed(Gen& g, false_type); + + private: + int _M_p; + result_type _M_x[long_lag]; + result_type _M_carry; + }; + + + /** + * Produces random numbers from some base engine by discarding blocks of + * data. + * + * 0 <= @p r <= @p p + */ + template<class UniformRandomNumberGenerator, int p, int r> + class discard_block + { + // __glibcxx_class_requires(typename base_type::result_type, + // ArithmeticTypeConcept); + + public: + /** The type of the underlying generator engine. */ + typedef UniformRandomNumberGenerator base_type; + /** The type of the generated random value. */ + typedef typename base_type::result_type result_type; + + // parameter values + static const int block_size = p; + static const int used_block = r; + + /** + * Constructs a default %discard_block engine. + * + * The underlying engine is default constrcuted as well. + */ + discard_block() + : _M_n(0) { } + + /** + * Copy constructs a %discard_block engine. + * + * Copies an existing base class random number geenerator. + * @param rng An existing (base class) engine object. + */ + explicit discard_block(const base_type& rng) + : _M_b(rng) , _M_n(0) { } + + /** + * Seed constructs a %discard_block engine. + * + * Constructs the underlying generator engine seeded with @p s. + * @param s A seed value for the base class engine. + */ + explicit discard_block(unsigned long s) + : _M_b(s), _M_n(0) { } + + /** + * Generator constructs a %discard_block engine. + * + * @param g A seed generator function. + */ + template<class Gen> + discard_block(Gen& g) + : _M_b(g), _M_n(0) { } + + /** + * Reseeds the %discard_block object with the default seed for the + * underlying base class generator engine. + */ + void seed() + { + _M_b.seed(); + _M_n = 0; + } + + /** + * Reseeds the %discard_block object with the given seed generator + * function. + * @param g A seed generator function. + */ + template<class Gen> + void seed(Gen& g) + { + _M_b.seed(g); + _M_n = 0; + } + + /** + * Gets a const reference to the underlying generator engine object. + */ + const base_type& + base() const + { return _M_b; } + + /** + * Gets the minimum value in the generated random number range. + */ + result_type + min() const + { return _M_b.min(); } + + /** + * Gets the maximum value in the generated random number range. + */ + result_type + max() const + { return _M_b.max(); } + + /** + * Gets the next value in the generated random number sequence. + */ + result_type + operator()(); + + /** + * Compares two %discard_block random number generator objects of + * the same type for equality. + * + * @param __lhs A %discard_block random number generator object. + * @param __rhs Another %discard_block random number generator + * object. + * + * @returns true if the two objects are equal, false otherwise. + */ + friend bool + operator==(const discard_block& __lhs, const discard_block& __rhs) + { + return ((__lhs._M_b == __rhs._M_b) + && (__lhs._M_n == __rhs._M_n)); + } + + /** + * Compares two %discard_block random number generator objects of + * the same type for inequality. + * + * @param __lhs A %discard_block random number generator object. + * @param __rhs Another %discard_block random number generator + * object. + * + * @returns true if the two objects are not equal, false otherwise. + */ + friend bool + operator!=(const discard_block& __lhs, const discard_block& __rhs) + { return !(__lhs == __rhs); } + + /** + * Inserts the current state of a %discard_block random number + * genator engine @p x into the output stream @p os. + * + * @param __os An output stream. + * @param __x A %discard_block random number generator engine. + * + * @returns The output stream with the state of @p x inserted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, + const discard_block& __x) + { return __os << __x._M_b << " " << __x._M_n; } + + /** + * Extracts the current state of a % subtract_with_carry random number + * gerator engine @p x from the input stream @p is. + * + * @param __is An input stream. + * @param __x A %discard_block random number generator engine. + * + * @returns The input stream with the state of @p x extracted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, + discard_block& __x) + { return __is >> __x._M_b >> __x._M_n; } + + private: + base_type _M_b; + int _M_n; + }; + + + /** + * James's luxury-level-3 integer adaptation of Luescher's generator. + */ + typedef discard_block< + subtract_with_carry<int, (1<<24), 10, 24>, + 223, + 24 + > ranlux3; + + /** + * James's luxury-level-4 integer adaptation of Luescher's generator. + */ + typedef discard_block< + subtract_with_carry<int, (1<<24), 10, 24>, + 389, + 24 + > ranlux4; + + + /** + * A random number generator adaptor class that combines two random number + * generator engines into a single output sequence. + */ + template<class UniformRandomNumberGenerator1, int s1, + class UniformRandomNumberGenerator2, int s2> + class xor_combine + { + // __glibcxx_class_requires(typename UniformRandomNumberGenerator1:: + // result_type, ArithmeticTypeConcept); + // __glibcxx_class_requires(typename UniformRandomNumberGenerator2:: + // result_type, ArithmeticTypeConcept); + + public: + /** The type of the the first underlying generator engine. */ + typedef UniformRandomNumberGenerator1 base1_type; + /** The type of the the second underlying generator engine. */ + typedef UniformRandomNumberGenerator2 base2_type; + /** The type of the generated random value. */ + typedef typename _Private::_Select< + (sizeof(base1_type) > sizeof(base2_type)), + base1_type, + base2_type + >::Type result_type; + + // parameter values + static const int shift1 = s1; + static const int shift2 = s2; + + // constructors and member function + xor_combine() { } + + xor_combine(const base1_type& rng1, const base2_type& rng2) + : _M_b1(rng1), _M_b2(rng2) { } + + xor_combine(unsigned long s) + : _M_b1(s), _M_b2(s + 1) { } + + template<class Gen> + xor_combine(Gen& g) + : _M_b1(g), _M_b2(g) { } + + void + seed() + { + _M_b1.seed(); + _M_b2.seed(); + } + + template<class Gen> + void + seed(Gen& g) + { + _M_b1.seed(g); + _M_b2.seed(g); + } + + const base1_type& + base1() const + { return _M_b1; } + + const base2_type& + base2() const + { return _M_b2; } + + result_type + min() const + { return _M_b1.min() ^ _M_b2.min(); } + + result_type + max() const + { return _M_b1.max() | _M_b2.max(); } + + /** + * Gets the next random number in the sequence. + */ + result_type + operator()() + { return ((_M_b1() << shift1) ^ (_M_b2() << shift2)); } + + /** + * Compares two %xor_combine random number generator objects of + * the same type for equality. + * + * @param __lhs A %xor_combine random number generator object. + * @param __rhs Another %xor_combine random number generator + * object. + * + * @returns true if the two objects are equal, false otherwise. + */ + friend bool + operator==(const xor_combine& __lhs, const xor_combine& __rhs) + { + return (__lhs.base1() == __rhs.base1()) + && (__lhs.base2() == __rhs.base2()); + } + + /** + * Compares two %xor_combine random number generator objects of + * the same type for inequality. + * + * @param __lhs A %xor_combine random number generator object. + * @param __rhs Another %xor_combine random number generator + * object. + * + * @returns true if the two objects are not equal, false otherwise. + */ + friend bool + operator!=(const xor_combine& __lhs, const xor_combine& __rhs) + { return !(__lhs == __rhs); } + + /** + * Inserts the current state of a %xor_combine random number + * genator engine @p x into the output stream @p os. + * + * @param __os An output stream. + * @param __x A %xor_combine random number generator engine. + * + * @returns The output stream with the state of @p x inserted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, + const xor_combine& __x) + { return __os << __x.base1() << " " << __x.base1(); } + + /** + * Extracts the current state of a %xor_combine random number + * gerator engine @p x from the input stream @p is. + * + * @param __is An input stream. + * @param __x A %xor_combine random number generator engine. + * + * @returns The input stream with the state of @p x extracted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, + xor_combine& __x) + { return __is >> __x._M_b1 >> __x._M_b2; } + + private: + base1_type _M_b1; + base2_type _M_b2; + }; + + + /** + * A standard interface to a platform-specific non-deterministic random number + * generator (if any are available). + * + * @todo The underlying interface is system-specific and needs to be factored + * into the generated configury mechs. For example, the use of "/dev/random" + * under a Linux OS would be appropriate. + */ + class random_device + { + public: + // types + typedef unsigned int result_type; + + // constructors, destructors and member functions + explicit random_device(const std::string& token = "unimplemented"); + result_type min() const; + result_type max() const; + double entropy() const; + result_type operator()(); + + private: + random_device(const random_device &); + void operator=(const random_device &); + }; + + /* @} */ // group tr1_random_generators + + /** + * @addtogroup tr1_random_distributions Random Number Distributions + * @ingroup tr1_random + * @{ + */ + + /** + * @addtogroup tr1_random_distributions_discrete Discrete Distributions + * @ingroup tr1_random_distributions + * @{ + */ + + /** + * @brief Uniform discrete distribution for random numbers. + * A discrete random distribution on the range @f$[min, max]@f$ with equal + * probability throughout the range. + */ + template<typename _IntType = int> + class uniform_int + { + __glibcxx_class_requires(_IntType, _IntegerConcept) + + public: + /** The type of the parameters of the distribution. */ + typedef _IntType input_type; + /** The type of the range of the distribution. */ + typedef _IntType result_type; + + public: + /** + * Constructs a uniform distribution object. + */ + explicit + uniform_int(_IntType __min = 0, _IntType __max = 9) + : _M_min(__min), _M_max(__max) + { + _GLIBCXX_DEBUG_ASSERT(_M_min <= _M_max); + } + + /** + * Gets the inclusive lower bound of the distribution range. + */ + result_type + min() const + { return _M_min; } + + /** + * Gets the inclusive upper bound of the distribution range. + */ + result_type + max() const + { return _M_max; } + + /** + * Resets the distribution state. + * + * Does nothing for the uniform integer distribution. + */ + void + reset() { } + + /** + * Gets a uniformly distributed random number in the range + * @f$(min, max)@f$. + */ + template<typename _UniformRandomNumberGenerator> + result_type + operator()(_UniformRandomNumberGenerator& __urng) + { return (__urng() % (_M_max - _M_min + 1)) + _M_min; } + + /** + * Gets a uniform random number in the range @f$[0, n)@f$. + * + * This function is aimed at use with std::random_shuffle. + */ + template<typename _UniformRandomNumberGenerator> + result_type + operator()(_UniformRandomNumberGenerator& __urng, result_type __n) + { return __urng() % __n; } + + /** + * Inserts a %uniform_int random number distribution @p x into the + * output stream @p os. + * + * @param __os An output stream. + * @param __x A %uniform_int random number distribution. + * + * @returns The output stream with the state of @p x inserted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, + const uniform_int& __x) + { return __os << __x._M_min << " " << __x._M_max; } + + /** + * Extracts a %unform_int random number distribution + * @p u from the input stream @p is. + * + * @param __is An input stream. + * @param __u A %uniform_int random number generator engine. + * + * @returns The input stream with @p u extracted or in an error state. + */ + template<typename _CharT, typename _Traits> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, uniform_int& __u) + { return __is >> __u._M_min >> __u._M_max; } + + private: + _IntType _M_min; + _IntType _M_max; + }; + + + /** + * @brief A Bernoulli random number distribution. + * + * Generates a sequence of true and false values with likelihood @f$ p @f$ + * that true will come up and @f$ (1 - p) @f$ that false will appear. + */ + class bernoulli_distribution + { + public: + typedef int input_type; + typedef bool result_type; + + public: + /** + * Constructs a Bernoulli distribution with likelihood @p p. + * + * @param p [IN] The likelihood of a true result being returned. Must + * be in the interval @f$ [0, 1] @f$. + */ + explicit + bernoulli_distribution(double __p = 0.5) + : _M_p(__p) + { + _GLIBCXX_DEBUG_ASSERT((_M_p >= 0.0) && (_M_p <= 1.0)); + } + + /** + * Gets the @p p parameter of the distribution. + */ + double + p() const + { return _M_p; } + + /** + * Gets the inclusive lower bound of the distribution range. + */ + result_type + min() const + { return false; } + + /** + * Gets the inclusive upper bound of the distribution range. + */ + result_type + max() const + { return true; } + + /** + * Resets the distribution state. + * + * Does nothing for a bernoulli distribution. + */ + void + reset() { } + + /** + * Gets the next value in the Bernoullian sequence. + */ + template<class UniformRandomNumberGenerator> + result_type + operator()(UniformRandomNumberGenerator& __urng) + { + if (__urng() < _M_p) + return true; + return false; + } + + /** + * Inserts a %bernoulli_distribution random number distribution + * @p x into the output stream @p os. + * + * @param __os An output stream. + * @param __x A %bernoulli_distribution random number distribution. + * + * @returns The output stream with the state of @p x inserted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, + const bernoulli_distribution& __x) + { return __os << __x.p(); } + + /** + * Extracts a %bernoulli_distribution random number distribution + * @p u from the input stream @p is. + * + * @param __is An input stream. + * @param __u A %bernoulli_distribution random number generator engine. + * + * @returns The input stream with @p u extracted or in an error state. + */ + template<typename _CharT, typename _Traits> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, + bernoulli_distribution& __u) + { return __is >> __u._M_p; } + + protected: + double _M_p; + }; + + + /** + * @brief A discrete geometric random number distribution. + * + * The formula for the geometric probability mass function is + * @f$ p(i) = (1 - p)p^{i-1} @f$ where @f$ p @f$ is the parameter of the + * distribution. + */ + template<typename _IntType = int, typename _RealType = double> + class geometric_distribution + { + public: + // types + typedef _RealType input_type; + typedef _IntType result_type; + + // constructors and member function + + explicit + geometric_distribution(const _RealType& __p = _RealType(0.5)) + : _M_p(__p), _M_log_p(std::log(_M_p)) + { + _GLIBCXX_DEBUG_ASSERT((_M_p >= 0.0) && (_M_p <= 1.0)); + } + + /** + * Gets the distribution parameter @p. + */ + _RealType + p() const + { return _M_p; } + + /** + * Gets the inclusive lower bound of the distribution range. + */ + result_type + min() const; + + /** + * Gets the inclusive upper bound of the distribution range. + */ + result_type + max() const; + + void + reset() { } + + template<class _UniformRandomNumberGenerator> + result_type + operator()(_UniformRandomNumberGenerator& __urng) + { + return result_type(std::floor(std::log(_RealType(1.0) - __urng()) + / _M_log_p)) + result_type(1); + } + + /** + * Inserts a %geometric_distribution random number distribution + * @p x into the output stream @p os. + * + * @param __os An output stream. + * @param __x A %geometric_distribution random number distribution. + * + * @returns The output stream with the state of @p x inserted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, + const geometric_distribution& __x) + { return __os << __x.p(); } + + /** + * Extracts a %geometric_distribution random number distribution + * @p u from the input stream @p is. + * + * @param __is An input stream. + * @param __u A %geometric_distribution random number generator engine. + * + * @returns The input stream with @p u extracted or in an error state. + */ + template<typename _CharT, typename _Traits> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, + geometric_distribution& __u) + { + __is >> __u._M_p; + __u._M_log_p = std::log(__u._M_p); + return __is; + } + + protected: + _RealType _M_p; + _RealType _M_log_p; + }; + + /* @} */ // group tr1_random_distributions_discrete + + /** + * @addtogroup tr1_random_distributions_continuous Continuous Distributions + * @ingroup tr1_random_distributions + * @{ + */ + + /** + * @brief Uniform continuous distribution for random numbers. + * + * A continuous random distribution on the range [min, max) with equal + * probability throughout the range. The URNG should be real-valued and + * deliver number in the range [0, 1). + */ + template<typename _RealType = double> + class uniform_real + { + public: + // types + typedef _RealType input_type; + typedef _RealType result_type; + + public: + /** + * Constructs a uniform_real object. + * + * @param min [IN] The lower bound of the distribution. + * @param max [IN] The upper bound of the distribution. + */ + explicit + uniform_real(_RealType min = _RealType(0), _RealType max = _RealType(1)); + + result_type + min() const; + + result_type + max() const; + + void reset(); + + template<class _UniformRandomNumberGenerator> + result_type + operator()(_UniformRandomNumberGenerator& __urng) + { return (__urng() * (max() - min())) + min(); } + + /** + * Inserts a %uniform_real random number distribution @p x into the + * output stream @p os. + * + * @param __os An output stream. + * @param __x A %uniform_real random number distribution. + * + * @returns The output stream with the state of @p x inserted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, + const uniform_real& __x) + { return __os << __x.min() << " " << __x.max(); } + + /** + * Extracts a %unform_real random number distribution + * @p u from the input stream @p is. + * + * @param __is An input stream. + * @param __u A %uniform_real random number generator engine. + * + * @returns The input stream with @p u extracted or in an error state. + */ + template<typename _CharT, typename _Traits> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, + uniform_real& __u) + { return __is >> __u._M_min >> __u._M_max; } + + protected: + _RealType _M_min; + _RealType _M_max; + }; + + + /** + * @brief An exponential continuous distribution for random numbers. + * + * The formula for the exponential probability mass function is + * @f$ p(x) = \lambda e^{-\lambda x} @f$. + * + * <table border=1 cellpadding=10 cellspacing=0> + * <caption align=top>Distribution Statistics</caption> + * <tr><td>Mean</td><td>@f$ \frac{1}{\lambda} @f$</td></tr> + * <tr><td>Median</td><td>@f$ \frac{\ln 2}{\lambda} @f$</td></tr> + * <tr><td>Mode</td><td>@f$ zero @f$</td></tr> + * <tr><td>Range</td><td>@f$[0, \infty]@f$</td></tr> + * <tr><td>Standard Deviation</td><td>@f$ \frac{1}{\lambda} @f$</td></tr> + * </table> + */ + template<typename _RealType = double> + class exponential_distribution + { + public: + // types + typedef _RealType input_type; + typedef _RealType result_type; + + public: + /** + * Constructs an exponential distribution with inverse scale parameter + * @f$ \lambda @f$. + */ + explicit + exponential_distribution(const result_type& __lambda = result_type(1)) + : _M_lambda(__lambda) { } + + /** + * Gets the inverse scale parameter of the distribution. + */ + _RealType + lambda() const + { return _M_lambda; } + + /** + * Resets the distribution. + * + * Has no effect on exponential distributions. + */ + void + reset() { } + + template<class _UniformRandomNumberGenerator> + result_type + operator()(_UniformRandomNumberGenerator& __urng) + { return std::log(__urng) / _M_lambda; } + + /** + * Inserts a %exponential_distribution random number distribution + * @p x into the output stream @p os. + * + * @param __os An output stream. + * @param __x A %exponential_distribution random number distribution. + * + * @returns The output stream with the state of @p x inserted or in an + * error state. + */ + template<typename _CharT, typename _Traits> + friend basic_ostream<_CharT, _Traits>& + operator<<(basic_ostream<_CharT, _Traits>& __os, + const exponential_distribution& __x) + { return __os << __x.lambda(); } + + /** + * Extracts a %exponential_distribution random number distribution + * @p u from the input stream @p is. + * + * @param __is An input stream. + * @param __u A %exponential_distribution random number generator engine. + * + * @returns The input stream with @p u extracted or in an error state. + */ + template<typename _CharT, typename _Traits> + friend basic_istream<_CharT, _Traits>& + operator>>(basic_istream<_CharT, _Traits>& __is, + exponential_distribution& __u) + { return __is >> __u._M_lambda; } + + private: + result_type _M_lambda; + }; + + /* @} */ // group tr1_random_distributions_continuous + /* @} */ // group tr1_random_distributions + /* @} */ // group tr1_random + +_GLIBCXX_END_NAMESPACE +} + +#include <tr1/random.tcc> + +#endif // _STD_TR1_RANDOM diff --git a/libstdc++-v3/include/tr1/random.tcc b/libstdc++-v3/include/tr1/random.tcc new file mode 100644 index 0000000..b78bb4e --- /dev/null +++ b/libstdc++-v3/include/tr1/random.tcc @@ -0,0 +1,422 @@ +// random number generation (out of line) -*- C++ -*- + +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +#include <limits> + +namespace std +{ +_GLIBCXX_BEGIN_NAMESPACE(tr1) + + /* + * Implementation-space details. + */ + namespace _Private + { + // General case for x = (ax + c) mod m -- use Schrage's algorithm to avoid + // integer overflow. + // + // Because a and c are compile-time integral constants the compiler kindly + // elides any unreachable paths. + // + // Preconditions: a > 0, m > 0. + // + template<typename _Tp, _Tp a, _Tp c, _Tp m, bool _m_is_zero> + struct Mod + { + static _Tp + calc(_Tp x) + { + if (a == 1) + x %= m; + else + { + static const _Tp q = m / a; + static const _Tp r = m % a; + + _Tp t1 = a * (x % q); + _Tp t2 = r * (x / q); + if (t1 >= t2) + x = t1 - t2; + else + x = m - t2 + t1; + } + + if (c != 0) + { + const _Tp d = m - x; + if (d > c) + x += c; + else + x = c - d; + } + return x; + } + }; + + // Special case for m==0 -- use unsigned integer overflow as modulo + // operator. + template<typename _Tp, _Tp a, _Tp c, _Tp m> + struct Mod<_Tp, a, c, m, true> + { + static _Tp + calc(_Tp x) + { return a * x + c; } + }; + + // Dispatch based on modulus value to prevent divide-by-zero compile-time + // errors when m == 0. + template<typename _Tp, _Tp a, _Tp c, _Tp m> + inline _Tp + mod(_Tp x) + { return Mod<_Tp, a, c, m, m == 0>::calc(x); } + + // Like the above, for a==1, c==0, in terms of w. + template<typename _Tp, _Tp w, bool> + struct Mod_w + { + static _Tp + calc(_Tp x) + { return x % (_Tp(1) << w); } + }; + + template<typename _Tp, _Tp w> + struct Mod_w<_Tp, w, true> + { + static _Tp + calc(_Tp x) + { return x; } + }; + + // Selector to return the maximum value possible that will fit in + // @p w bits of @p _Tp. + template<typename _Tp, _Tp w, bool> + struct Max_w + { + static _Tp + value() + { return (_Tp(1) << w) - 1; } + }; + + template<typename _Tp, _Tp w> + struct Max_w<_Tp, w, true> + { + static _Tp + value() + { return std::numeric_limits<_Tp>::max(); } + }; + + } // namespace _Private + + + /** + * Constructs the LCR engine with integral seed @p x0. + */ + template<class UIntType, UIntType a, UIntType c, UIntType m> + linear_congruential<UIntType, a, c, m>:: + linear_congruential(unsigned long x0) + { this->seed(x0); } + + /** + * Constructs the LCR engine with seed generated from @p g. + */ + template<class UIntType, UIntType a, UIntType c, UIntType m> + template<class Gen> + linear_congruential<UIntType, a, c, m>:: + linear_congruential(Gen& g) + { this->seed(g); } + + /** + * Seeds the LCR with integral value @p x0, adjusted so that the + * ring identity is never a member of the convergence set. + */ + template<class UIntType, UIntType a, UIntType c, UIntType m> + void + linear_congruential<UIntType, a, c, m>:: + seed(unsigned long x0) + { + if ((_Private::mod<UIntType, 1, 0, m>(c) == 0) + && (_Private::mod<UIntType, 1, 0, m>(x0) == 0)) + m_x = _Private::mod<UIntType, 1, 0, m>(1); + else + m_x = _Private::mod<UIntType, 1, 0, m>(x0); + } + + /** + * Seeds the LCR engine with a value generated by @p g. + */ + template<class UIntType, UIntType a, UIntType c, UIntType m> + template<class Gen> + void + linear_congruential<UIntType, a, c, m>:: + seed(Gen& g, false_type) + { + UIntType x0 = g(); + if ((_Private::mod<UIntType, 1, 0, m>(c) == 0) + && (_Private::mod<UIntType, 1, 0, m>(x0) == 0)) + m_x = _Private::mod<UIntType, 1, 0, m>(1); + else + m_x = _Private::mod<UIntType, 1, 0, m>(x0); + } + + /** + * Returns a value that is less than or equal to all values potentially + * returned by operator(). The return value of this function does not + * change during the lifetime of the object.. + * + * The minumum depends on the @p c parameter: if it is zero, the + * minimum generated must be > 0, otherwise 0 is allowed. + */ + template<class UIntType, UIntType a, UIntType c, UIntType m> + typename linear_congruential<UIntType, a, c, m>::result_type + linear_congruential<UIntType, a, c, m>:: + min() const + { return (_Private::mod<UIntType, 1, 0, m>(c) == 0) ? 1 : 0; } + + /** + * Gets the maximum possible value of the generated range. + * + * For a linear congruential generator, the maximum is always @p m - 1. + */ + template<class UIntType, UIntType a, UIntType c, UIntType m> + typename linear_congruential<UIntType, a, c, m>::result_type + linear_congruential<UIntType, a, c, m>:: + max() const + { return (m == 0) ? std::numeric_limits<UIntType>::max() : (m - 1); } + + /** + * Gets the next generated value in sequence. + */ + template<class UIntType, UIntType a, UIntType c, UIntType m> + typename linear_congruential<UIntType, a, c, m>::result_type + linear_congruential<UIntType, a, c, m>:: + operator()() + { + m_x = _Private::mod<UIntType, a, c, m>(m_x); + return m_x; + } + + + template<class _UInt, int w, int n, int m, int r, + _UInt a, int u, int s, + _UInt b, int t, _UInt c, int l> + void + mersenne_twister<_UInt, w, n, m, r, a, u, s, b, t, c, l>:: + seed(unsigned long value) + { + if (value == 0) + value = 4357; + +#if 0 + // @todo handle case numeric_limits<_UInt>::digits > 32 + if (std::numeric_limits<_UInt>::digits > 32) + { + std::tr1::linear_congruential<unsigned long, 69069, 0, 2**32> lcg(value); + seed(lcg); + } + else + { + std::tr1::linear_congruential<unsigned long, 69069, 0, 0> lcg(value); + seed(lcg); + } +#else + std::tr1::linear_congruential<unsigned long, 69069, 0, 0> lcg(value); + seed(lcg); +#endif + } + + + template<class _UInt, int w, int n, int m, int r, + _UInt a, int u, int s, + _UInt b, int t, _UInt c, int l> + template<class Gen> + void + mersenne_twister<_UInt, w, n, m, r, a, u, s, b, t, c, l>:: + seed(Gen& gen, false_type) + { + using _Private::Mod_w; + using std::numeric_limits; + + for (int i = 0; i < state_size; ++i) + _M_x[i] = Mod_w<_UInt, w, + w == numeric_limits<_UInt>::digits>::calc(gen()); + _M_p = state_size + 1; + } + + template<class _UInt, int w, int n, int m, int r, + _UInt a, int u, int s, + _UInt b, int t, _UInt c, int l> + typename + mersenne_twister<_UInt, w, n, m, r, a, u, s, b, t, c, l>::result_type + mersenne_twister<_UInt, w, n, m, r, a, u, s, b, t, c, l>:: + max() const + { + using _Private::Max_w; + using std::numeric_limits; + return Max_w<_UInt, w, w == numeric_limits<_UInt>::digits>::value(); + } + + + template<class _UInt, int w, int n, int m, int r, + _UInt a, int u, int s, + _UInt b, int t, _UInt c, int l> + typename + mersenne_twister<_UInt, w, n, m, r, a, u, s, b, t, c, l>::result_type + mersenne_twister<_UInt, w, n, m, r, a, u, s, b, t, c, l>:: + operator()() + { + // reload the vector - cost is O(n) amortized over n calls. + if (_M_p >= state_size) + { + const _UInt upper_mask = (~_UInt()) << r; + const _UInt lower_mask = ~upper_mask; + + for (int k = 0; k < (n - m); ++k) + { + _UInt y = (_M_x[k] & upper_mask) | (_M_x[k + 1] & lower_mask); + _M_x[k] = _M_x[k + m] ^ (y >> 1) ^ ((y & 0x01) ? a : 0); + } + + for (int k = (n - m); k < (n - 1); ++k) + { + _UInt y = (_M_x[k] & upper_mask) | (_M_x[k + 1] & lower_mask); + _M_x[k] = _M_x[k + (m - n)] ^ (y >> 1) ^ ((y & 0x01) ? a : 0); + } + + _M_p = 0; + } + + // Calculate x(i) + result_type y = _M_x[_M_p++]; + y ^= (y >> u); + y ^= (y << s) & b; + y ^= (y << t) & c; + y ^= (y >> l); + + return y; + } + + + template<typename _IntType, _IntType m, int s, int r> + void + subtract_with_carry<_IntType, m, s, r>:: + seed(_IntType __value) + { + std::tr1::linear_congruential<unsigned long, 40014, 0, 2147483563> + lcg(__value); + + for (int i = 0; i < long_lag; ++i) + _M_x[i] = _Private::mod<_IntType, 1, 0, modulus>(lcg()); + + _M_carry = (_M_x[long_lag - 1] == 0) ? 1 : 0; + _M_p = 0; + } + + + // + // This implementation differs from the tr1 spec because the tr1 spec refused + // to make any sense to me: the exponent of the factor in the spec goes from + // 1 to (n-1), but it would only make sense to me if it went from 0 to (n-1). + // + // This algorithm is still problematic because it can overflow left right and + // center. + // + template<typename _IntType, _IntType __m, int __s, int __r> + template<class Gen> + void + subtract_with_carry<_IntType, __m, __s, __r>:: + seed(Gen& gen, false_type) + { + const int n = (std::numeric_limits<_IntType>::digits + 31) / 32; + for (int i = 0; i < long_lag; ++i) + { + _M_x[i] = 0; + unsigned long factor = 1; + for (int j = 0; j < n; ++j) + { + _M_x[i] += gen() * factor; + factor *= 0x80000000; + } + _M_x[i] = _Private::mod<_IntType, 1, 0, modulus>(_M_x[i]); + } + _M_carry = (_M_x[long_lag - 1] == 0) ? 1 : 0; + _M_p = 0; + } + + + template<typename _IntType, _IntType __m, int __s, int __r> + typename subtract_with_carry<_IntType, __m, __s, __r>::result_type + subtract_with_carry<_IntType, __m, __s, __r>:: + operator()() + { + // derive short lag index from current index + int ps = _M_p - short_lag; + if (ps < 0) ps += long_lag; + + // calculate new x(i) without overflow or division + _IntType xi; + if (_M_x[ps] >= _M_x[_M_p] + _M_carry) + { + xi = _M_x[ps] - _M_x[_M_p] - _M_carry; + _M_carry = 0; + } + else + { + xi = modulus - _M_x[_M_p] - _M_carry + _M_x[ps]; + _M_carry = 1; + } + _M_x[_M_p++] = xi; + + // adjust current index to loop around in ring buffer + if (_M_p >= long_lag) + _M_p = 0; + + return xi; + } + + + template<class _E, int __p, int __r> + typename discard_block<_E, __p, __r>::result_type + discard_block<_E, __p, __r>:: + operator()() + { + if (_M_n >= used_block) + { + while (_M_n < block_size) + { + _M_b(); + ++_M_n; + } + _M_n = 0; + } + ++_M_n; + return _M_b(); + } + +_GLIBCXX_END_NAMESPACE +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/discard_block/requirements/requirements.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/discard_block/requirements/requirements.cc new file mode 100644 index 0000000..ced6ba1 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/discard_block/requirements/requirements.cc @@ -0,0 +1,40 @@ +// { dg-do compile } +// +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.5 Class template linear_congruential +// 5.1.1 [1] Table 15 + +#include <tr1/random> + +void +test01() +{ + using namespace std::tr1; + + typedef discard_block + < + subtract_with_carry<long, (1 << 24), 10, 24>, + 389, 24 + > test_type; + + typedef test_type::result_type result_type; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/default.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/default.cc new file mode 100644 index 0000000..0321b6e --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/default.cc @@ -0,0 +1,43 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.1 class template linear_congruential [tr.rand.eng.lcong] +// 5.1.4.1 [4] + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + using namespace std::tr1; + + linear_congruential<unsigned long, 48271, 0, 2147483647> x; + VERIFY( x.min() == 1 ); + VERIFY( x.max() == 2147483647-1 ); + VERIFY( x() == 48271 ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/gen1.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/gen1.cc new file mode 100644 index 0000000..3d47cd6 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/gen1.cc @@ -0,0 +1,50 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.1 class template linear_congruential [tr.rand.eng.lcong] +// 5.1.1 Table 16 line 3 template ctor(gen) + +#include <ctime> +#include <tr1/random> +#include <testsuite_hooks.h> + +// a not untypical initialization function +unsigned long +gen() +{ + return std::time(0); +} + +void +test01() +{ + bool test __attribute__((unused)) = true; + using namespace std::tr1; + + linear_congruential<unsigned long, 48271, 0, 2147483647> x(gen); + VERIFY( x.min() == 1 ); + VERIFY( x.max() == 2147483647-1 ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/seed1.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/seed1.cc new file mode 100644 index 0000000..5a221e1 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/seed1.cc @@ -0,0 +1,40 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.1 class template linear_congruential [tr.rand.eng.lcong] +// 5.1.1 [4] para 2 + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + using namespace std::tr1; + + unsigned long seed = 2; + linear_congruential<unsigned long, 48271, 0, 2147483647> x(seed); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/seed2.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/seed2.cc new file mode 100644 index 0000000..a961c31 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/cons/seed2.cc @@ -0,0 +1,40 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.1 class template linear_congruential [tr.rand.eng.lcong] +// 5.1.1 [4] para 2 + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + using namespace std::tr1; + + double seed = 2.0; + linear_congruential<unsigned long, 48271, 0, 2147483647> x(seed); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/operators/equal.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/operators/equal.cc new file mode 100644 index 0000000..ca469ad --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/operators/equal.cc @@ -0,0 +1,44 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.1 Class template linear_congruential +// 5.1 [3] Table 16 + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + + std::tr1::minstd_rand0 a; + std::tr1::minstd_rand0 b; + std::tr1::minstd_rand0 c(120); + + VERIFY( a == b ); + VERIFY( !(a == c) ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/operators/not_equal.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/operators/not_equal.cc new file mode 100644 index 0000000..02d1970 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/operators/not_equal.cc @@ -0,0 +1,44 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.1 Class template linear_congruential +// 5.1 [3] Table 16 + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + + std::tr1::minstd_rand0 a; + std::tr1::minstd_rand0 b; + std::tr1::minstd_rand0 c(120); + + VERIFY( !(a != b) ); + VERIFY( a != c ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/operators/serialize.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/operators/serialize.cc new file mode 100644 index 0000000..2c40b04 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/operators/serialize.cc @@ -0,0 +1,50 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.1 Class template linear_congruential +// 5.1 [3] Table 16 + +#include <sstream> +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + + std::stringstream str; + std::tr1::minstd_rand0 a; + std::tr1::minstd_rand0 b; + + a(); // advance + str << a; + + VERIFY( a != b ); + + str >> b; + VERIFY( a == b ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/requirements/non_uint_neg.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/requirements/non_uint_neg.cc new file mode 100644 index 0000000..94d81ed --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/requirements/non_uint_neg.cc @@ -0,0 +1,44 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// { dg-do compile } +// { dg-options "-D_GLIBCXX_CONCEPT_CHECKS" } +// { dg-error "not a valid type" "" { target *-*-* } 37 } +// { dg-error "invalid type" "" { target *-*-* } 37 } + +// 5.1.4.1 class template linear_congruential [tr.rand.eng.lcong] +// 5.1.4.1 [4] + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + using namespace std::tr1; + + linear_congruential<double, 48271, 0, 2147483647> x; +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/requirements/typedefs.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/requirements/typedefs.cc new file mode 100644 index 0000000..b192c11 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/linear_congruential/requirements/typedefs.cc @@ -0,0 +1,34 @@ +// { dg-do compile } +// +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.1 Class template linear_congruential +// 5.1.1 [1] Table 15 + +#include <tr1/random> + +void +test01() +{ + typedef std::tr1::linear_congruential<unsigned long, 2, 0, 4> test_type; + + typedef test_type::result_type result_type; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/default.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/default.cc new file mode 100644 index 0000000..9a17e16 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/default.cc @@ -0,0 +1,48 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.2 class template mersenne_twister [tr.rand.eng.mers] +// 5.1.1 Table 16 line 1 default ctor + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + + using namespace std::tr1; + mersenne_twister< + unsigned long, 32, 624, 397, 31, + 0x9908b0dful, 11, 7, + 0x9d2c5680ul, 15, + 0xefc60000ul, 18> x; + + VERIFY( x.min() == 0 ); + VERIFY( x.max() == 4294967295ul ); + VERIFY( x() == 4290933890ul ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/gen1.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/gen1.cc new file mode 100644 index 0000000..0321bea --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/gen1.cc @@ -0,0 +1,54 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.2 class template mersenne_twister [tr.rand.eng.mers] +// 5.1.1 Table 16 line 3 Gen ctor + +#include <ctime> +#include <tr1/random> +#include <testsuite_hooks.h> + +// a not untypical initialization function +unsigned long +gen() +{ + return std::time(0); +} + +void +test01() +{ + using namespace std::tr1; + + mersenne_twister< + unsigned long, 32, 624, 397, 31, + 0x9908b0dful, 11, 7, + 0x9d2c5680ul, 15, + 0xefc60000ul, 18> x(gen); + + VERIFY( x.min() == 0 ); + VERIFY( x.max() == 4294967295ul ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/seed1.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/seed1.cc new file mode 100644 index 0000000..1bea796 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/seed1.cc @@ -0,0 +1,44 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.2 class template mersenne_twister [tr.rand.eng.mers] +// 5.1.1 Table 16 line 2 seed ctor + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + using namespace std::tr1; + + unsigned long seed = 2; + mersenne_twister< + unsigned long, 32, 624, 397, 31, + 0x9908b0dful, 11, 7, + 0x9d2c5680ul, 15, + 0xefc60000ul, 18> x(seed); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/seed2.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/seed2.cc new file mode 100644 index 0000000..d28bdfc --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/cons/seed2.cc @@ -0,0 +1,45 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.2 class template mersenne_twister [tr.rand.eng.mers] +// 5.1.1 Table 16 line 2 seed ctor +// 5.1.1 (4) point 2: Gen is a fundamental type. + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + using namespace std::tr1; + + double seed = 2.0; + mersenne_twister< + unsigned long, 32, 624, 397, 31, + 0x9908b0dful, 11, 7, + 0x9d2c5680ul, 15, + 0xefc60000ul, 18> x(seed); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/requirements/typedefs.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/requirements/typedefs.cc new file mode 100644 index 0000000..c19f016 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mersenne_twister/requirements/typedefs.cc @@ -0,0 +1,38 @@ +// { dg-do compile } +// +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.2 Class template mersenne_twister +// 5.1.1 [1] Table 15 + +#include <tr1/random> + +void +test01() +{ + typedef std::tr1::mersenne_twister<unsigned long, + 32, 624, 397, 31, + 0x9908b0df, 11, 7, + 0x9d2c5680, 15, + 0xefc60000, 18> test_type; + + typedef test_type::result_type result_type; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/minstd_rand.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/minstd_rand.cc new file mode 100644 index 0000000..32b418b --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/minstd_rand.cc @@ -0,0 +1,43 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.5 Engines with predefined parameters +// 5.1.5 [1] + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + + std::tr1::minstd_rand a; + for (int i = 0; i < 9999; ++i) + a(); + + VERIFY( a() == 399268537 ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/minstd_rand0.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/minstd_rand0.cc new file mode 100644 index 0000000..8c1b5fa --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/minstd_rand0.cc @@ -0,0 +1,43 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.5 Engines with predefined parameters +// 5.1.5 [1] + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + + std::tr1::minstd_rand0 a; + for (int i = 0; i < 9999; ++i) + a(); + + VERIFY( a() == 1043618065 ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mt19937.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mt19937.cc new file mode 100644 index 0000000..0b89e8b4 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/mt19937.cc @@ -0,0 +1,43 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.5 Engines with predefined parameters +// 5.1.5 [2] + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + + std::tr1::mt19937 a; + for (int i = 0; i < 9999; ++i) + a(); + + VERIFY( a() == 3346425566ul ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/ranlux3.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/ranlux3.cc new file mode 100644 index 0000000..2e2e757 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/ranlux3.cc @@ -0,0 +1,44 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.5 Engines with predefined parameters +// 5.1.5 [3] + +#include <iostream> +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + + std::tr1::ranlux3 a; + for (int i = 0; i < 9999; ++i) + a(); + + VERIFY( a() == 5957620 ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/ranlux4.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/ranlux4.cc new file mode 100644 index 0000000..6ac8fb2 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/ranlux4.cc @@ -0,0 +1,43 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.5 Engines with predefined parameters +// 5.1.5 [3] + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + + std::tr1::ranlux4 a; + for (int i = 0; i < 9999; ++i) + a(); + + VERIFY( a() == 8587295 ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/default.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/default.cc new file mode 100644 index 0000000..5ce9a99 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/default.cc @@ -0,0 +1,43 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.3 class template subtract_with_carry [tr.rand.eng.sub] +// 5.1.1 Table 16 line 1 default ctor + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + using namespace std::tr1; + + subtract_with_carry<unsigned long, (1 << 24), 10, 24> x; + VERIFY( x.min() == 0 ); + VERIFY( x.max() == ((1<<24)-1) ); + VERIFY( x() == 15039276 ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/gen1.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/gen1.cc new file mode 100644 index 0000000..7170690 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/gen1.cc @@ -0,0 +1,50 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.3 class template subtract_with_carry [tr.rand.eng.sub] +// 5.1.1 Table 16 line 3 Gen ctor + +#include <ctime> +#include <tr1/random> +#include <testsuite_hooks.h> + +// a not untypical initialization function +unsigned long +gen() +{ + return std::time(0); +} + +void +test01() +{ + bool test __attribute__((unused)) = true; + using namespace std::tr1; + + subtract_with_carry<unsigned long, (1 << 24), 10, 24> x(gen); + VERIFY( x.min() == 0 ); + VERIFY( x.max() == ((1 << 24) - 1) ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/seed1.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/seed1.cc new file mode 100644 index 0000000..61d66ef --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/seed1.cc @@ -0,0 +1,40 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.3 class template subtract_with_carry [tr.rand.eng.sub] +// 5.1.1 Table 16 line 2 seed ctor + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + using namespace std::tr1; + + unsigned long seed = 2; + subtract_with_carry<unsigned long, (1 << 24), 10, 24> x(seed); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/seed2.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/seed2.cc new file mode 100644 index 0000000..192a9b4 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/cons/seed2.cc @@ -0,0 +1,41 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.3 class template subtract_with_carry [tr.rand.eng.sub] +// 5.1.1 Table 16 line 2 seed ctor +// 5.1.1 (4) point 2: Gen is a fundamental type. + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + using namespace std::tr1; + + double seed = 2.0; + subtract_with_carry<unsigned long, (1 << 24), 10, 24> x(seed); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/operators/equal.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/operators/equal.cc new file mode 100644 index 0000000..8a5b9a5 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/operators/equal.cc @@ -0,0 +1,50 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.3 class template subtract_with_carry [tr.rand.eng.sub] +// 5.1.1 Table 16 + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + using namespace std::tr1; + + subtract_with_carry<unsigned long, (1 << 24), 10, 24> u; + subtract_with_carry<unsigned long, (1 << 24), 10, 24> v; + + VERIFY( u == v ); + + for (int i = 0; i < 100; ++i) + { + u(); + v(); + } + VERIFY( u == v ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/operators/not_equal.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/operators/not_equal.cc new file mode 100644 index 0000000..8d5f6e0 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/operators/not_equal.cc @@ -0,0 +1,43 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.3 class template subtract_with_carry [tr.rand.eng.sub] +// 5.1.1 Table 16 + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + using namespace std::tr1; + + subtract_with_carry<unsigned long, (1 << 24), 10, 24> u(1); + subtract_with_carry<unsigned long, (1 << 24), 10, 24> v(2); + + VERIFY( u != v ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/operators/serialize.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/operators/serialize.cc new file mode 100644 index 0000000..bbc6450 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/operators/serialize.cc @@ -0,0 +1,51 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.3 class template subtract_with_carry [tr.rand.eng.sub] +// 5.1.1 Table 16 + +#include <sstream> +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + using std::tr1::subtract_with_carry; + + std::stringstream str; + subtract_with_carry<unsigned long, (1 << 24), 10, 24> u; + subtract_with_carry<unsigned long, (1 << 24), 10, 24> v; + + u(); // advance + str << u; + + VERIFY( u != v ); + + str >> v; + VERIFY( u == v ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/requirements/typedefs.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/requirements/typedefs.cc new file mode 100644 index 0000000..d7dd831 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/subtract_with_carry/requirements/typedefs.cc @@ -0,0 +1,34 @@ +// { dg-do compile } +// +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.3 Class template subtract_with_carry +// 5.1.1 [1] Table 15 + +#include <tr1/random> + +void +test01() +{ + typedef std::tr1::subtract_with_carry<long, 8, 2, 4> test_type; + + typedef test_type::result_type result_type; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/cons/default.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/cons/default.cc new file mode 100644 index 0000000..1b96b54 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/cons/default.cc @@ -0,0 +1,42 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.7.1 class template uniform_int +// 5.1.7.1 [2] constructors and member functions + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + using namespace std::tr1; + + uniform_int<int> u; + VERIFY( u.min() == 0 ); + VERIFY( u.max() == 9 ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/cons/range.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/cons/range.cc new file mode 100644 index 0000000..b3a44a9 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/cons/range.cc @@ -0,0 +1,42 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.7.1 class template uniform_int +// 5.1.7.1 [2] constructors and member functions + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + bool test __attribute__((unused)) = true; + using namespace std::tr1; + + uniform_int<int> u(1, 20); + VERIFY( u.min() == 1 ); + VERIFY( u.max() == 20 ); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/cons/range_neg.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/cons/range_neg.cc new file mode 100644 index 0000000..4beb1ba --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/cons/range_neg.cc @@ -0,0 +1,42 @@ +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// { dg-do run { xfail *-*-* } } +// { dg-options "-D_GLIBCXX_DEBUG" } + +// 5.1.7.1 class template uniform_int +// 5.1.7.1 [2] constructors and member functions + +#include <tr1/random> +#include <testsuite_hooks.h> + +void +test01() +{ + using namespace std::tr1; + + uniform_int<int> u(20, 1); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/requirements/typedefs.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/requirements/typedefs.cc new file mode 100644 index 0000000..86a09cd --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_int/requirements/typedefs.cc @@ -0,0 +1,37 @@ +// { dg-do compile } +// +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.7.1 Class template uniform_int +// 5.1.1 [7] Table 17 + +#include <tr1/random> + +void +test01() +{ + using namespace std::tr1; + + typedef uniform_int<int> test_type; + + typedef test_type::input_type input_type; + typedef test_type::result_type result_type; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_real/requirements/typedefs.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_real/requirements/typedefs.cc new file mode 100644 index 0000000..b1ca8f4 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/uniform_real/requirements/typedefs.cc @@ -0,0 +1,37 @@ +// { dg-do compile } +// +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.7.6 Class template uniform_int [tr.rand.dist.runif] +// 5.1.1 [7] Table 17 + +#include <tr1/random> + +void +test01() +{ + using namespace std::tr1; + + typedef uniform_real<double> test_type; + + typedef test_type::input_type input_type; + typedef test_type::result_type result_type; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/variate_generator/requirements/typedefs.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/variate_generator/requirements/typedefs.cc new file mode 100644 index 0000000..a92c7e5 --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/variate_generator/requirements/typedefs.cc @@ -0,0 +1,42 @@ +// { dg-do compile } +// +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.3 class template variate_generator + +#include <tr1/random> + +void +test01() +{ + using namespace std::tr1; + + typedef variate_generator + < + linear_congruential<unsigned long, 16807 , 0 , 2147483647>, + uniform_int<int> + > test_type; + + typedef test_type::engine_type engine_type; + typedef test_type::engine_value_type engine_value_type; + typedef test_type::distribution_type distribution_type; + typedef test_type::result_type result_type; +} diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/xor_combine/requirements/typedefs.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/xor_combine/requirements/typedefs.cc new file mode 100644 index 0000000..0665f8e --- /dev/null +++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilies/random/xor_combine/requirements/typedefs.cc @@ -0,0 +1,40 @@ +// { dg-do compile } +// +// 2006-06-04 Stephen M. Webb <stephen.webb@bregmasoft.com> +// +// Copyright (C) 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 5.1.4.6 Class template xor_combine +// 5.1.1 [1] Table 15 + +#include <tr1/random> + +void +test01() +{ + using namespace std::tr1; + + typedef xor_combine + < + subtract_with_carry<long, (1 << 24), 10, 24>, 1, + linear_congruential<unsigned long, 16807, 0, 2147483647>, 2 + > test_type; + + typedef test_type::result_type result_type; +} diff --git a/libstdc++-v3/testsuite/tr1/headers.cc b/libstdc++-v3/testsuite/tr1/headers.cc index 0650f53..ec26340 100644 --- a/libstdc++-v3/testsuite/tr1/headers.cc +++ b/libstdc++-v3/testsuite/tr1/headers.cc @@ -45,6 +45,7 @@ #include <tr1/limits.h> #include <tr1/math.h> #include <tr1/memory> +#include <tr1/random> #include <tr1/stdarg.h> #include <tr1/stdbool.h> #include <tr1/stdint.h> |