imgtools/imglib/boostlibrary/boost/tr1/random.hpp
changeset 600 6d08f4a05d93
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/tr1/random.hpp	Fri Jun 25 18:11:34 2010 +0800
@@ -0,0 +1,586 @@
+//  (C) Copyright John Maddock 2005.
+//  (C) Copyright Henry S. Warren 2005.
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_TR1_RANDOM_HPP_INCLUDED
+#  define BOOST_TR1_RANDOM_HPP_INCLUDED
+#  include <boost/tr1/detail/config.hpp>
+
+#ifdef BOOST_HAS_TR1_RANDOM
+#  ifdef BOOST_HAS_INCLUDE_NEXT
+#     include_next BOOST_TR1_HEADER(random)
+#  else
+#     include <boost/tr1/detail/config_all.hpp>
+#     include BOOST_TR1_STD_HEADER(BOOST_TR1_PATH(random))
+#  endif
+#else
+// Boost.Random:
+#include <boost/random.hpp>
+#ifndef __SUNPRO_CC
+    // Sunpros linker complains if we so much as include this...
+#   include <boost/nondet_random.hpp>
+#endif
+#include <boost/tr1/detail/functor2iterator.hpp>
+#include <boost/type_traits/is_fundamental.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+namespace std { namespace tr1{
+
+using ::boost::variate_generator;
+
+template<class UIntType, UIntType a, UIntType c, UIntType m>
+class linear_congruential
+{
+private:
+   typedef ::boost::random::linear_congruential<UIntType, a, c, m, 0> impl_type;
+public:
+   // types
+   typedef UIntType result_type;
+   // parameter values
+   BOOST_STATIC_CONSTANT(UIntType, multiplier = a);
+   BOOST_STATIC_CONSTANT(UIntType, increment = c);
+   BOOST_STATIC_CONSTANT(UIntType, modulus = m);
+   // constructors and member function
+   explicit linear_congruential(unsigned long x0 = 1)
+      : m_gen(x0){}
+   linear_congruential(const linear_congruential& that)
+      : m_gen(that.m_gen){}
+   template<class Gen> linear_congruential(Gen& g)
+   {
+      init1(g, ::boost::is_same<Gen,linear_congruential>());
+   }
+   void seed(unsigned long x0 = 1)
+   { m_gen.seed(x0); }
+   template<class Gen> void seed(Gen& g)
+   { 
+      init2(g, ::boost::is_fundamental<Gen>());
+   }
+   result_type min BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return (m_gen.min)(); }
+   result_type max BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return (m_gen.max)(); }
+   result_type operator()()
+   {
+      return m_gen(); 
+   }
+   bool operator==(const linear_congruential& that)const
+   { return m_gen == that.m_gen; }
+   bool operator!=(const linear_congruential& that)const
+   { return m_gen != that.m_gen; }
+
+#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) && !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+  template<class CharT, class Traits>
+  friend std::basic_ostream<CharT,Traits>&
+  operator<<(std::basic_ostream<CharT,Traits>& os,
+             const linear_congruential& lcg)
+  {
+    return os << lcg.m_gen; 
+  }
+
+  template<class CharT, class Traits>
+  friend std::basic_istream<CharT,Traits>&
+  operator>>(std::basic_istream<CharT,Traits>& is,
+             linear_congruential& lcg)
+  {
+    return is >> lcg.m_gen;
+  }
+#endif
+
+private:
+   template <class Gen>
+   void init1(Gen& g, const ::boost::true_type&)
+   {
+      m_gen = g.m_gen;
+   }
+   template <class Gen>
+   void init1(Gen& g, const ::boost::false_type&)
+   {
+      init2(g, ::boost::is_fundamental<Gen>());
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::true_type&)
+   {
+      m_gen.seed(static_cast<unsigned long>(g));
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::false_type&)
+   {
+      //typedef typename Gen::result_type gen_rt;
+      boost::tr1_details::functor2iterator<Gen, unsigned long> f1(g), f2;
+      m_gen.seed(f1, f2);
+   }
+   impl_type m_gen;
+};
+
+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
+{
+   typedef ::boost::random::mersenne_twister
+      <UIntType, w, n, m, r, a, u, s, b, t, c, l, 0> imp_type;
+public:
+   // types
+   typedef UIntType result_type;
+   // parameter values
+   BOOST_STATIC_CONSTANT(int, word_size = w);
+   BOOST_STATIC_CONSTANT(int, state_size = n);
+   BOOST_STATIC_CONSTANT(int, shift_size = m);
+   BOOST_STATIC_CONSTANT(int, mask_bits = r);
+   BOOST_STATIC_CONSTANT(UIntType, parameter_a = a);
+   BOOST_STATIC_CONSTANT(int, output_u = u);
+   BOOST_STATIC_CONSTANT(int, output_s = s);
+   BOOST_STATIC_CONSTANT(UIntType, output_b = b);
+   BOOST_STATIC_CONSTANT(int, output_t = t);
+   BOOST_STATIC_CONSTANT(UIntType, output_c = c);
+   BOOST_STATIC_CONSTANT(int, output_l = l);
+   // constructors and member function
+   mersenne_twister(){}
+   explicit mersenne_twister(unsigned long value)
+      : m_gen(value == 0 ? 5489UL : value){}
+   template<class Gen> mersenne_twister(Gen& g)
+   {
+      init1(g, ::boost::is_same<mersenne_twister,Gen>());
+   }
+   void seed()
+   { m_gen.seed(); }
+   void seed(unsigned long value)
+   { m_gen.seed(value == 0 ? 5489UL : value); }
+   template<class Gen> void seed(Gen& g)
+   { init2(g, ::boost::is_fundamental<Gen>()); }
+   result_type min BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return (m_gen.min)(); }
+   result_type max BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return (m_gen.max)(); }
+   result_type operator()()
+   { return m_gen(); }
+   bool operator==(const mersenne_twister& that)const
+   { return m_gen == that.m_gen; }
+   bool operator!=(const mersenne_twister& that)const
+   { return m_gen != that.m_gen; }
+
+#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) && !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+   template<class CharT, class Traits>
+   friend std::basic_ostream<CharT,Traits>&
+   operator<<(std::basic_ostream<CharT,Traits>& os,
+            const mersenne_twister& lcg)
+   {
+      return os << lcg.m_gen;
+   }
+
+   template<class CharT, class Traits>
+   friend std::basic_istream<CharT,Traits>&
+   operator>>(std::basic_istream<CharT,Traits>& is,
+            mersenne_twister& lcg)
+   {
+      return is >> lcg.m_gen;
+   }
+#endif
+private:
+   template <class Gen>
+   void init1(Gen& g, const ::boost::true_type&)
+   {
+      m_gen = g.m_gen;
+   }
+   template <class Gen>
+   void init1(Gen& g, const ::boost::false_type&)
+   {
+      init2(g, ::boost::is_fundamental<Gen>());
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::true_type&)
+   {
+      m_gen.seed(static_cast<unsigned long>(g == 0 ? 4357UL : g));
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::false_type&)
+   {
+      m_gen.seed(g);
+   }
+   imp_type m_gen;
+};
+
+template<class IntType, IntType m, int s, int r>
+class subtract_with_carry
+{
+public:
+   // types
+   typedef IntType result_type;
+   // parameter values
+   BOOST_STATIC_CONSTANT(IntType, modulus = m);
+   BOOST_STATIC_CONSTANT(int, long_lag = r);
+   BOOST_STATIC_CONSTANT(int, short_lag = s);
+
+   // constructors and member function
+   subtract_with_carry(){}
+   explicit subtract_with_carry(unsigned long value)
+      : m_gen(value == 0 ? 19780503UL : value){}
+   template<class Gen> subtract_with_carry(Gen& g)
+   { init1(g, ::boost::is_same<Gen, subtract_with_carry<IntType, m, s, r> >()); }
+   void seed(unsigned long value = 19780503ul)
+   { m_gen.seed(value == 0 ? 19780503UL : value); }
+   template<class Gen> void seed(Gen& g)
+   { init2(g, ::boost::is_fundamental<Gen>()); }
+   result_type min BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return (m_gen.min)(); }
+   result_type max BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return (m_gen.max)(); }
+   result_type operator()()
+   { return m_gen(); }
+   bool operator==(const subtract_with_carry& that)const
+   { return m_gen == that.m_gen; }
+   bool operator!=(const subtract_with_carry& that)const
+   { return m_gen != that.m_gen; }
+
+#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) && !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+   template<class CharT, class Traits>
+   friend std::basic_ostream<CharT,Traits>&
+   operator<<(std::basic_ostream<CharT,Traits>& os,
+            const subtract_with_carry& lcg)
+   {
+      return os << lcg.m_gen;
+   }
+
+   template<class CharT, class Traits>
+   friend std::basic_istream<CharT,Traits>&
+   operator>>(std::basic_istream<CharT,Traits>& is,
+            subtract_with_carry& lcg)
+   {
+      return is >> lcg.m_gen;
+   }
+#endif
+private:
+   template <class Gen>
+   void init1(Gen& g, const ::boost::true_type&)
+   {
+      m_gen = g.m_gen;
+   }
+   template <class Gen>
+   void init1(Gen& g, const ::boost::false_type&)
+   {
+      init2(g, ::boost::is_fundamental<Gen>());
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::true_type&)
+   {
+      m_gen.seed(static_cast<unsigned long>(g == 0 ? 19780503UL : g));
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::false_type&)
+   {
+      m_gen.seed(g);
+   }
+   ::boost::random::subtract_with_carry<IntType, m, s, r, 0> m_gen;
+};
+
+template<class RealType, int w, int s, int r>
+class subtract_with_carry_01
+{
+public:
+   // types
+   typedef RealType result_type;
+   // parameter values
+   BOOST_STATIC_CONSTANT(int, word_size = w);
+   BOOST_STATIC_CONSTANT(int, long_lag = r);
+   BOOST_STATIC_CONSTANT(int, short_lag = s);
+
+   // constructors and member function
+   subtract_with_carry_01(){}
+   explicit subtract_with_carry_01(unsigned long value)
+      : m_gen(value == 0 ? 19780503UL : value){}
+   template<class Gen> subtract_with_carry_01(Gen& g)
+   { init1(g, ::boost::is_same<Gen, subtract_with_carry_01<RealType, w, s, r> >()); }
+   void seed(unsigned long value = 19780503UL)
+   { m_gen.seed(value == 0 ? 19780503UL : value); }
+   template<class Gen> void seed(Gen& g)
+   { init2(g, ::boost::is_fundamental<Gen>()); }
+   result_type min BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return (m_gen.min)(); }
+   result_type max BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return (m_gen.max)(); }
+   result_type operator()()
+   { return m_gen(); }
+   bool operator==(const subtract_with_carry_01& that)const
+   { return m_gen == that.m_gen; }
+   bool operator!=(const subtract_with_carry_01& that)const
+   { return m_gen != that.m_gen; }
+
+#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) && !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+   template<class CharT, class Traits>
+   friend std::basic_ostream<CharT,Traits>&
+   operator<<(std::basic_ostream<CharT,Traits>& os,
+            const subtract_with_carry_01& lcg)
+   {
+      return os << lcg.m_gen;
+   }
+
+   template<class CharT, class Traits>
+   friend std::basic_istream<CharT,Traits>&
+   operator>>(std::basic_istream<CharT,Traits>& is,
+            subtract_with_carry_01& lcg)
+   {
+      return is >> lcg.m_gen;
+   }
+#endif
+private:
+   template <class Gen>
+   void init1(Gen& g, const ::boost::true_type&)
+   {
+      m_gen = g.m_gen;
+   }
+   template <class Gen>
+   void init1(Gen& g, const ::boost::false_type&)
+   {
+      init2(g, ::boost::is_fundamental<Gen>());
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::true_type&)
+   {
+      m_gen.seed(static_cast<unsigned long>(g == 0 ? 19780503UL : g));
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::false_type&)
+   {
+      //typedef typename Gen::result_type gen_rt;
+      boost::tr1_details::functor2iterator<Gen, unsigned long> f1(g), f2;
+      m_gen.seed(f1, f2);
+   }
+   ::boost::random::subtract_with_carry_01<RealType, w, s, r, 0> m_gen;
+};
+
+using ::boost::random::discard_block;
+
+template<class UniformRandomNumberGenerator1, int s1, class UniformRandomNumberGenerator2, int s2>
+class xor_combine
+{
+public:
+   // types
+   typedef UniformRandomNumberGenerator1 base1_type;
+   typedef UniformRandomNumberGenerator2 base2_type;
+   typedef unsigned long result_type;
+   // parameter values
+   BOOST_STATIC_CONSTANT(int, shift1 = s1);
+   BOOST_STATIC_CONSTANT(int, shift2 = s2);
+   // constructors and member function
+   xor_combine(){ init_minmax(); }
+   xor_combine(const base1_type & rng1, const base2_type & rng2)
+      : m_b1(rng1), m_b2(rng2) { init_minmax(); }
+   xor_combine(unsigned long s)
+      : m_b1(s), m_b2(s+1) { init_minmax(); }
+   template<class Gen> xor_combine(Gen& g)
+   { 
+      init_minmax(); 
+      init1(g, ::boost::is_same<Gen, xor_combine<UniformRandomNumberGenerator1, s1, UniformRandomNumberGenerator2, s2> >());
+   }
+   void seed()
+   {
+      m_b1.seed();
+      m_b2.seed();
+   }
+   void seed(unsigned long s)
+   {
+      m_b1.seed(s);
+      m_b2.seed(s+1);
+   }
+   template<class Gen> void seed(Gen& g)
+   {
+      init2(g, ::boost::is_fundamental<Gen>());
+   }
+
+   const base1_type& base1() const
+   { return m_b1; }
+   const base2_type& base2() const
+   { return m_b2; }
+   result_type min BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return m_min; }
+   result_type max BOOST_PREVENT_MACRO_SUBSTITUTION() const
+   { return m_max; }
+   result_type operator()()
+   { return (m_b1() << s1) ^ (m_b2() << s2); }
+
+   bool operator == (const xor_combine& that)const
+   { return (m_b1 == that.m_b1) && (m_b2 == that.m_b2); }
+   bool operator != (const xor_combine& that)const
+   { return !(*this == that); }
+
+#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) && !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+   template<class CharT, class Traits>
+   friend std::basic_ostream<CharT,Traits>&
+   operator<<(std::basic_ostream<CharT,Traits>& os,
+            const xor_combine& lcg)
+   {
+      return os << lcg.m_b1 << " " << lcg.m_b2;
+   }
+
+   template<class CharT, class Traits>
+   friend std::basic_istream<CharT,Traits>&
+   operator>>(std::basic_istream<CharT,Traits>& is,
+            xor_combine& lcg)
+   {
+      return is >> lcg.m_b1 >> lcg.m_b2;
+   }
+#endif
+
+private:
+   void init_minmax();
+   base1_type m_b1;
+   base2_type m_b2;
+   result_type m_min;
+   result_type m_max;
+
+   template <class Gen>
+   void init1(Gen& g, const ::boost::true_type&)
+   {
+      m_b1 = g.m_b1;
+      m_b2 = g.m_b2;
+   }
+   template <class Gen>
+   void init1(Gen& g, const ::boost::false_type&)
+   {
+      init2(g, ::boost::is_fundamental<Gen>());
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::true_type&)
+   {
+      m_b1.seed(static_cast<unsigned long>(g));
+      m_b2.seed(static_cast<unsigned long>(g));
+   }
+   template <class Gen>
+   void init2(Gen& g, const ::boost::false_type&)
+   {
+      m_b1.seed(g);
+      m_b2.seed(g);
+   }
+};
+
+template<class UniformRandomNumberGenerator1, int s1, class UniformRandomNumberGenerator2, int s2>
+void xor_combine<UniformRandomNumberGenerator1, s1, UniformRandomNumberGenerator2, s2>::init_minmax()
+{
+   //
+   // The following code is based on that given in "Hacker's Delight"
+   // by Henry S. Warren, (Addison-Wesley, 2003), and at 
+   // http://www.hackersdelight.org/index.htm.
+   // Used here by permission.
+   //
+   // calculation of minimum value:
+   //
+   result_type a = (m_b1.min)() << s1;
+   result_type b = (m_b1.max)() << s1;
+   result_type c = (m_b2.min)() << s2;
+   result_type d = (m_b2.max)() << s2;
+   result_type m, temp;
+
+   m = 0x1uL << ((sizeof(result_type) * CHAR_BIT) - 1);
+   while (m != 0) {
+      if (~a & c & m) {
+         temp = (a | m) & (static_cast<result_type>(0u) - m);
+         if (temp <= b) a = temp;
+      }
+      else if (a & ~c & m) {
+         temp = (c | m) & (static_cast<result_type>(0u) - m);
+         if (temp <= d) c = temp;
+      }
+      m >>= 1;
+   }
+   m_min = a ^ c;
+
+   //
+   // calculation of maximum value:
+   //
+   if((((std::numeric_limits<result_type>::max)() >> s1) < (m_b1.max)())
+      || ((((std::numeric_limits<result_type>::max)()) >> s2) < (m_b2.max)()))
+   {
+      m_max = (std::numeric_limits<result_type>::max)();
+      return;
+   }
+   a = (m_b1.min)() << s1;
+   b = (m_b1.max)() << s1;
+   c = (m_b2.min)() << s2;
+   d = (m_b2.max)() << s2;
+
+   m = 0x1uL << ((sizeof(result_type) * CHAR_BIT) - 1);
+
+   while (m != 0) {
+      if (b & d & m) {
+         temp = (b - m) | (m - 1);
+         if (temp >= a) b = temp;
+         else {
+            temp = (d - m) | (m - 1);
+            if (temp >= c) d = temp;
+         }
+      }
+      m = m >> 1;
+   }
+   m_max = b ^ d;
+}
+
+typedef linear_congruential< ::boost::int32_t, 16807, 0, 2147483647> minstd_rand0;
+typedef linear_congruential< ::boost::int32_t, 48271, 0, 2147483647> minstd_rand;
+typedef mersenne_twister< ::boost::uint32_t, 32,624,397,31,0x9908b0df,11,7,0x9d2c5680,15,0xefc60000,18> mt19937;
+typedef subtract_with_carry_01<float, 24, 10, 24> ranlux_base_01;
+typedef subtract_with_carry_01<double, 48, 10, 24> ranlux64_base_01;
+typedef discard_block<subtract_with_carry< ::boost::int32_t, (1<<24), 10, 24>, 223, 24> ranlux3;
+typedef discard_block<subtract_with_carry< ::boost::int32_t, (1<<24), 10, 24>, 389, 24> ranlux4;
+typedef discard_block<subtract_with_carry_01<float, 24, 10, 24>, 223, 24> ranlux3_01;
+typedef discard_block<subtract_with_carry_01<float, 24, 10, 24>, 389, 24> ranlux4_01;
+
+#ifndef __SUNPRO_CC
+using ::boost::random_device;
+#endif
+using ::boost::uniform_int;
+
+class bernoulli_distribution
+{
+public:
+   // types
+   typedef int input_type;
+   typedef bool result_type;
+   // constructors and member function
+   explicit bernoulli_distribution(double p = 0.5)
+      : m_dist(p){}
+   double p() const
+   { return m_dist.p(); }
+   void reset()
+   { m_dist.reset(); }
+   template<class UniformRandomNumberGenerator>
+   result_type operator()(UniformRandomNumberGenerator& urng)
+   {
+      return m_dist(urng);
+   }
+#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) && !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+   template<class CharT, class Traits>
+   friend std::basic_ostream<CharT,Traits>&
+   operator<<(std::basic_ostream<CharT,Traits>& os,
+            const bernoulli_distribution& lcg)
+   {
+      return os << lcg.m_dist;
+   }
+
+   template<class CharT, class Traits>
+   friend std::basic_istream<CharT,Traits>&
+   operator>>(std::basic_istream<CharT,Traits>& is,
+            bernoulli_distribution& lcg)
+   {
+      return is >> lcg.m_dist;
+   }
+#endif
+
+private:
+   ::boost::bernoulli_distribution<double> m_dist;
+};
+//using ::boost::bernoulli_distribution;
+using ::boost::geometric_distribution;
+using ::boost::poisson_distribution;
+using ::boost::binomial_distribution;
+using ::boost::uniform_real;
+using ::boost::exponential_distribution;
+using ::boost::normal_distribution;
+using ::boost::gamma_distribution;
+
+} }
+
+#endif
+
+#endif
+