// random number generation (out of line) -*- C++ -*-
-// Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+// Copyright (C) 2009-2014 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)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// 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.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
-// 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.
/** @file tr1/random.tcc
- * This is a TR1 C++ Library header.
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{tr1/random}
*/
-namespace std
-{
-_GLIBCXX_BEGIN_NAMESPACE(tr1)
+#ifndef _GLIBCXX_TR1_RANDOM_TCC
+#define _GLIBCXX_TR1_RANDOM_TCC 1
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace tr1
+{
/*
* (Further) implementation-space details.
*/
namespace __detail
{
+ _GLIBCXX_BEGIN_NAMESPACE_VERSION
+
// General case for x = (ax + c) mod m -- use Schrage's algorithm to avoid
// integer overflow.
//
__calc(_Tp __x)
{ return __a * __x + __c; }
};
+ _GLIBCXX_END_NAMESPACE_VERSION
} // namespace __detail
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ template<class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
+ const _UIntType
+ linear_congruential<_UIntType, __a, __c, __m>::multiplier;
+
+ template<class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
+ const _UIntType
+ linear_congruential<_UIntType, __a, __c, __m>::increment;
+
+ template<class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
+ const _UIntType
+ linear_congruential<_UIntType, __a, __c, __m>::modulus;
+
/**
* 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, int __w, int __n, int __m, int __r,
+ _UIntType __a, int __u, int __s,
+ _UIntType __b, int __t, _UIntType __c, int __l>
+ const int
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::word_size;
+
+ 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>
+ const int
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::state_size;
+
+ 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>
+ const int
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::shift_size;
+
+ 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>
+ const int
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::mask_bits;
+
+ 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>
+ const _UIntType
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::parameter_a;
+
+ 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>
+ const int
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::output_u;
+
+ 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>
+ const int
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::output_s;
+
+ 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>
+ const _UIntType
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::output_b;
+
+ 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>
+ const int
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::output_t;
+
+ 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>
+ const _UIntType
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::output_c;
+
+ 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>
+ const int
+ mersenne_twister<_UIntType, __w, __n, __m, __r, __a, __u, __s,
+ __b, __t, __c, __l>::output_l;
+
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>
}
+ template<typename _IntType, _IntType __m, int __s, int __r>
+ const _IntType
+ subtract_with_carry<_IntType, __m, __s, __r>::modulus;
+
+ template<typename _IntType, _IntType __m, int __s, int __r>
+ const int
+ subtract_with_carry<_IntType, __m, __s, __r>::long_lag;
+
+ template<typename _IntType, _IntType __m, int __s, int __r>
+ const int
+ subtract_with_carry<_IntType, __m, __s, __r>::short_lag;
+
template<typename _IntType, _IntType __m, int __s, int __r>
void
subtract_with_carry<_IntType, __m, __s, __r>::
}
+ template<typename _RealType, int __w, int __s, int __r>
+ const int
+ subtract_with_carry_01<_RealType, __w, __s, __r>::word_size;
+
+ template<typename _RealType, int __w, int __s, int __r>
+ const int
+ subtract_with_carry_01<_RealType, __w, __s, __r>::long_lag;
+
+ template<typename _RealType, int __w, int __s, int __r>
+ const int
+ subtract_with_carry_01<_RealType, __w, __s, __r>::short_lag;
+
template<typename _RealType, int __w, int __s, int __r>
void
subtract_with_carry_01<_RealType, __w, __s, __r>::
return __is;
}
+ template<class _UniformRandomNumberGenerator, int __p, int __r>
+ const int
+ discard_block<_UniformRandomNumberGenerator, __p, __r>::block_size;
+
+ template<class _UniformRandomNumberGenerator, int __p, int __r>
+ const int
+ discard_block<_UniformRandomNumberGenerator, __p, __r>::used_block;
template<class _UniformRandomNumberGenerator, int __p, int __r>
typename discard_block<_UniformRandomNumberGenerator,
}
+ template<class _UniformRandomNumberGenerator1, int __s1,
+ class _UniformRandomNumberGenerator2, int __s2>
+ const int
+ xor_combine<_UniformRandomNumberGenerator1, __s1,
+ _UniformRandomNumberGenerator2, __s2>::shift1;
+
+ template<class _UniformRandomNumberGenerator1, int __s1,
+ class _UniformRandomNumberGenerator2, int __s2>
+ const int
+ xor_combine<_UniformRandomNumberGenerator1, __s1,
+ _UniformRandomNumberGenerator2, __s2>::shift2;
+
template<class _UniformRandomNumberGenerator1, int __s1,
class _UniformRandomNumberGenerator2, int __s2>
void
}
+ template<typename _IntType>
+ template<typename _UniformRandomNumberGenerator>
+ typename uniform_int<_IntType>::result_type
+ uniform_int<_IntType>::
+ _M_call(_UniformRandomNumberGenerator& __urng,
+ result_type __min, result_type __max, true_type)
+ {
+ // XXX Must be fixed to work well for *arbitrary* __urng.max(),
+ // __urng.min(), __max, __min. Currently works fine only in the
+ // most common case __urng.max() - __urng.min() >= __max - __min,
+ // with __urng.max() > __urng.min() >= 0.
+ typedef typename __gnu_cxx::__add_unsigned<typename
+ _UniformRandomNumberGenerator::result_type>::__type __urntype;
+ typedef typename __gnu_cxx::__add_unsigned<result_type>::__type
+ __utype;
+ typedef typename __gnu_cxx::__conditional_type<(sizeof(__urntype)
+ > sizeof(__utype)),
+ __urntype, __utype>::__type __uctype;
+
+ result_type __ret;
+
+ const __urntype __urnmin = __urng.min();
+ const __urntype __urnmax = __urng.max();
+ const __urntype __urnrange = __urnmax - __urnmin;
+ const __uctype __urange = __max - __min;
+ const __uctype __udenom = (__urnrange <= __urange
+ ? 1 : __urnrange / (__urange + 1));
+ do
+ __ret = (__urntype(__urng()) - __urnmin) / __udenom;
+ while (__ret > __max - __min);
+
+ return __ret + __min;
+ }
+
template<typename _IntType, typename _CharT, typename _Traits>
std::basic_ostream<_CharT, _Traits>&
operator<<(std::basic_ostream<_CharT, _Traits>& __os,
* is defined.
*
* Reference:
- * Devroye, L. "Non-Uniform Random Variates Generation." Springer-Verlag,
+ * Devroye, L. Non-Uniform Random Variates Generation. Springer-Verlag,
* New York, 1986, Ch. X, Sects. 3.3 & 3.4 (+ Errata!).
*/
template<typename _IntType, typename _RealType>
* is defined.
*
* Reference:
- * Devroye, L. "Non-Uniform Random Variates Generation." Springer-Verlag,
+ * Devroye, L. Non-Uniform Random Variates Generation. Springer-Verlag,
* New York, 1986, Ch. X, Sect. 4 (+ Errata!).
*/
template<typename _IntType, typename _RealType>
/**
* Polar method due to Marsaglia.
*
- * Devroye, L. "Non-Uniform Random Variates Generation." Springer-Verlag,
+ * Devroye, L. Non-Uniform Random Variates Generation. Springer-Verlag,
* New York, 1986, Ch. V, Sect. 4.4.
*/
template<typename _RealType>
* alpha < 1.
*
* References:
- * Cheng, R. C. "The Generation of Gamma Random Variables with Non-integral
- * Shape Parameter." Applied Statistics, 26, 71-75, 1977.
+ * Cheng, R. C. The Generation of Gamma Random Variables with Non-integral
+ * Shape Parameter. Applied Statistics, 26, 71-75, 1977.
*
- * Vaduva, I. "Computer Generation of Gamma Gandom Variables by Rejection
- * and Composition Procedures." Math. Operationsforschung and Statistik,
+ * Vaduva, I. Computer Generation of Gamma Gandom Variables by Rejection
+ * and Composition Procedures. Math. Operationsforschung and Statistik,
* Series in Statistics, 8, 545-576, 1977.
*
- * Devroye, L. "Non-Uniform Random Variates Generation." Springer-Verlag,
+ * Devroye, L. Non-Uniform Random Variates Generation. Springer-Verlag,
* New York, 1986, Ch. IX, Sect. 3.4 (+ Errata!).
*/
template<typename _RealType>
return __os;
}
-_GLIBCXX_END_NAMESPACE
+_GLIBCXX_END_NAMESPACE_VERSION
}
+}
+
+#endif
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