diff --git a/ndnboost/math/policies/policy.hpp b/ndnboost/math/policies/policy.hpp
new file mode 100644
index 0000000..1a4bb16
--- /dev/null
+++ b/ndnboost/math/policies/policy.hpp
@@ -0,0 +1,992 @@
+//  Copyright John Maddock 2007.
+//  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_MATH_POLICY_HPP
+#define BOOST_MATH_POLICY_HPP
+
+#include <ndnboost/mpl/list.hpp>
+#include <ndnboost/mpl/contains.hpp>
+#include <ndnboost/mpl/if.hpp>
+#include <ndnboost/mpl/find_if.hpp>
+#include <ndnboost/mpl/remove_if.hpp>
+#include <ndnboost/mpl/vector.hpp>
+#include <ndnboost/mpl/push_back.hpp>
+#include <ndnboost/mpl/at.hpp>
+#include <ndnboost/mpl/size.hpp>
+#include <ndnboost/mpl/comparison.hpp>
+#include <ndnboost/type_traits/is_same.hpp>
+#include <ndnboost/static_assert.hpp>
+#include <ndnboost/assert.hpp>
+#include <ndnboost/math/tools/config.hpp>
+#include <limits>
+// Sadly we do need the .h versions of these to be sure of getting
+// FLT_MANT_DIG etc.
+#include <limits.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <math.h>
+
+namespace ndnboost{ namespace math{ 
+
+namespace tools{
+
+template <class T>
+int digits(BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(T));
+template <class T>
+T epsilon(BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(T));
+
+}
+
+namespace policies{
+
+//
+// Define macros for our default policies, if they're not defined already:
+//
+#ifndef BOOST_MATH_DOMAIN_ERROR_POLICY
+#define BOOST_MATH_DOMAIN_ERROR_POLICY throw_on_error
+#endif
+#ifndef BOOST_MATH_POLE_ERROR_POLICY
+#define BOOST_MATH_POLE_ERROR_POLICY throw_on_error
+#endif
+#ifndef BOOST_MATH_OVERFLOW_ERROR_POLICY
+#define BOOST_MATH_OVERFLOW_ERROR_POLICY throw_on_error
+#endif
+#ifndef BOOST_MATH_EVALUATION_ERROR_POLICY
+#define BOOST_MATH_EVALUATION_ERROR_POLICY throw_on_error
+#endif
+#ifndef BOOST_MATH_ROUNDING_ERROR_POLICY
+#define BOOST_MATH_ROUNDING_ERROR_POLICY throw_on_error
+#endif
+#ifndef BOOST_MATH_UNDERFLOW_ERROR_POLICY
+#define BOOST_MATH_UNDERFLOW_ERROR_POLICY ignore_error
+#endif
+#ifndef BOOST_MATH_DENORM_ERROR_POLICY
+#define BOOST_MATH_DENORM_ERROR_POLICY ignore_error
+#endif
+#ifndef BOOST_MATH_INDETERMINATE_RESULT_ERROR_POLICY
+#define BOOST_MATH_INDETERMINATE_RESULT_ERROR_POLICY ignore_error
+#endif
+#ifndef BOOST_MATH_DIGITS10_POLICY
+#define BOOST_MATH_DIGITS10_POLICY 0
+#endif
+#ifndef BOOST_MATH_PROMOTE_FLOAT_POLICY
+#define BOOST_MATH_PROMOTE_FLOAT_POLICY true
+#endif
+#ifndef BOOST_MATH_PROMOTE_DOUBLE_POLICY
+#ifdef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
+#define BOOST_MATH_PROMOTE_DOUBLE_POLICY false
+#else
+#define BOOST_MATH_PROMOTE_DOUBLE_POLICY true
+#endif
+#endif
+#ifndef BOOST_MATH_DISCRETE_QUANTILE_POLICY
+#define BOOST_MATH_DISCRETE_QUANTILE_POLICY integer_round_outwards
+#endif
+#ifndef BOOST_MATH_ASSERT_UNDEFINED_POLICY
+#define BOOST_MATH_ASSERT_UNDEFINED_POLICY true
+#endif
+#ifndef BOOST_MATH_MAX_SERIES_ITERATION_POLICY
+#define BOOST_MATH_MAX_SERIES_ITERATION_POLICY 1000000
+#endif
+#ifndef BOOST_MATH_MAX_ROOT_ITERATION_POLICY
+#define BOOST_MATH_MAX_ROOT_ITERATION_POLICY 200
+#endif
+
+#if !defined(__BORLANDC__) \
+   && !(defined(__GNUC__) && (__GNUC__ == 3) && (__GNUC_MINOR__ <= 2))
+#define BOOST_MATH_META_INT(type, name, Default)\
+   template <type N = Default> struct name : public ndnboost::mpl::int_<N>{};\
+   namespace detail{\
+   template <type N>\
+   char test_is_valid_arg(const name<N>*);\
+   char test_is_default_arg(const name<Default>*);\
+   template <class T> struct is_##name##_imp\
+   {\
+      template <type N> static char test(const name<N>*);\
+      static double test(...);\
+      BOOST_STATIC_CONSTANT(bool, value = sizeof(test(static_cast<T*>(0))) == 1);\
+   };\
+   }\
+   template <class T> struct is_##name : public ndnboost::mpl::bool_< ::ndnboost::math::policies::detail::is_##name##_imp<T>::value>{};
+
+#define BOOST_MATH_META_BOOL(name, Default)\
+   template <bool N = Default> struct name : public ndnboost::mpl::bool_<N>{};\
+   namespace detail{\
+   template <bool N>\
+   char test_is_valid_arg(const name<N>*);\
+   char test_is_default_arg(const name<Default>*);\
+   template <class T> struct is_##name##_imp\
+   {\
+      template <bool N> static char test(const name<N>*);\
+      static double test(...);\
+      BOOST_STATIC_CONSTANT(bool, value = sizeof(test(static_cast<T*>(0))) == 1);\
+   };\
+   }\
+   template <class T> struct is_##name : public ndnboost::mpl::bool_< ::ndnboost::math::policies::detail::is_##name##_imp<T>::value>{};
+#else
+#define BOOST_MATH_META_INT(Type, name, Default)\
+   template <Type N = Default> struct name : public ndnboost::mpl::int_<N>{};\
+   namespace detail{\
+   template <Type N>\
+   char test_is_valid_arg(const name<N>*);\
+   char test_is_default_arg(const name<Default>*);\
+   template <class T> struct is_##name##_tester\
+   {\
+      template <Type N> static char test(const name<N>&);\
+      static double test(...);\
+   };\
+   template <class T> struct is_##name##_imp\
+   {\
+      static T inst;\
+      BOOST_STATIC_CONSTANT(bool, value = sizeof( ::ndnboost::math::policies::detail::is_##name##_tester<T>::test(inst)) == 1);\
+   };\
+   }\
+   template <class T> struct is_##name : public ndnboost::mpl::bool_< ::ndnboost::math::policies::detail::is_##name##_imp<T>::value>\
+   {\
+      template <class U> struct apply{ typedef is_##name<U> type; };\
+   };
+
+#define BOOST_MATH_META_BOOL(name, Default)\
+   template <bool N = Default> struct name : public ndnboost::mpl::bool_<N>{};\
+   namespace detail{\
+   template <bool N>\
+   char test_is_valid_arg(const name<N>*);\
+   char test_is_default_arg(const name<Default>*);\
+   template <class T> struct is_##name##_tester\
+   {\
+      template <bool N> static char test(const name<N>&);\
+      static double test(...);\
+   };\
+   template <class T> struct is_##name##_imp\
+   {\
+      static T inst;\
+      BOOST_STATIC_CONSTANT(bool, value = sizeof( ::ndnboost::math::policies::detail::is_##name##_tester<T>::test(inst)) == 1);\
+   };\
+   }\
+   template <class T> struct is_##name : public ndnboost::mpl::bool_< ::ndnboost::math::policies::detail::is_##name##_imp<T>::value>\
+   {\
+      template <class U> struct apply{ typedef is_##name<U> type;  };\
+   };
+#endif
+//
+// Begin by defining policy types for error handling:
+//
+enum error_policy_type
+{
+   throw_on_error = 0,
+   errno_on_error = 1,
+   ignore_error = 2,
+   user_error = 3
+};
+
+BOOST_MATH_META_INT(error_policy_type, domain_error, BOOST_MATH_DOMAIN_ERROR_POLICY)
+BOOST_MATH_META_INT(error_policy_type, pole_error, BOOST_MATH_POLE_ERROR_POLICY)
+BOOST_MATH_META_INT(error_policy_type, overflow_error, BOOST_MATH_OVERFLOW_ERROR_POLICY)
+BOOST_MATH_META_INT(error_policy_type, underflow_error, BOOST_MATH_UNDERFLOW_ERROR_POLICY)
+BOOST_MATH_META_INT(error_policy_type, denorm_error, BOOST_MATH_DENORM_ERROR_POLICY)
+BOOST_MATH_META_INT(error_policy_type, evaluation_error, BOOST_MATH_EVALUATION_ERROR_POLICY)
+BOOST_MATH_META_INT(error_policy_type, rounding_error, BOOST_MATH_ROUNDING_ERROR_POLICY)
+BOOST_MATH_META_INT(error_policy_type, indeterminate_result_error, BOOST_MATH_INDETERMINATE_RESULT_ERROR_POLICY)
+
+//
+// Policy types for internal promotion:
+//
+BOOST_MATH_META_BOOL(promote_float, BOOST_MATH_PROMOTE_FLOAT_POLICY)
+BOOST_MATH_META_BOOL(promote_double, BOOST_MATH_PROMOTE_DOUBLE_POLICY)
+BOOST_MATH_META_BOOL(assert_undefined, BOOST_MATH_ASSERT_UNDEFINED_POLICY)
+//
+// Policy types for discrete quantiles:
+//
+enum discrete_quantile_policy_type
+{
+   real,
+   integer_round_outwards,
+   integer_round_inwards,
+   integer_round_down,
+   integer_round_up,
+   integer_round_nearest
+};
+
+BOOST_MATH_META_INT(discrete_quantile_policy_type, discrete_quantile, BOOST_MATH_DISCRETE_QUANTILE_POLICY)
+//
+// Precision:
+//
+BOOST_MATH_META_INT(int, digits10, BOOST_MATH_DIGITS10_POLICY)
+BOOST_MATH_META_INT(int, digits2, 0)
+//
+// Iterations:
+//
+BOOST_MATH_META_INT(unsigned long, max_series_iterations, BOOST_MATH_MAX_SERIES_ITERATION_POLICY)
+BOOST_MATH_META_INT(unsigned long, max_root_iterations, BOOST_MATH_MAX_ROOT_ITERATION_POLICY)
+//
+// Define the names for each possible policy:
+//
+#define BOOST_MATH_PARAMETER(name)\
+   BOOST_PARAMETER_TEMPLATE_KEYWORD(name##_name)\
+   BOOST_PARAMETER_NAME(name##_name)
+
+struct default_policy{};
+
+namespace detail{
+//
+// Trait to work out bits precision from digits10 and digits2:
+//
+template <class Digits10, class Digits2>
+struct precision
+{
+   //
+   // Now work out the precision:
+   //
+   typedef typename mpl::if_c<
+      (Digits10::value == 0),
+      digits2<0>,
+      digits2<((Digits10::value + 1) * 1000L) / 301L>
+   >::type digits2_type;
+public:
+#ifdef __BORLANDC__
+   typedef typename mpl::if_c<
+      (Digits2::value > ::ndnboost::math::policies::detail::precision<Digits10,Digits2>::digits2_type::value),
+      Digits2, digits2_type>::type type;
+#else
+   typedef typename mpl::if_c<
+      (Digits2::value > digits2_type::value),
+      Digits2, digits2_type>::type type;
+#endif
+};
+
+template <class A, class B, bool b>
+struct select_result
+{
+   typedef A type;
+};
+template <class A, class B>
+struct select_result<A, B, false>
+{
+   typedef typename mpl::deref<B>::type type;
+};
+
+template <class Seq, class Pred, class DefaultType>
+struct find_arg
+{
+private:
+   typedef typename mpl::find_if<Seq, Pred>::type iter;
+   typedef typename mpl::end<Seq>::type end_type;
+public:
+   typedef typename select_result<
+      DefaultType, iter,
+      ::ndnboost::is_same<iter, end_type>::value>::type type;
+};
+
+double test_is_valid_arg(...);
+double test_is_default_arg(...);
+char test_is_valid_arg(const default_policy*);
+char test_is_default_arg(const default_policy*);
+
+template <class T>
+struct is_valid_policy_imp 
+{
+   BOOST_STATIC_CONSTANT(bool, value = sizeof(::ndnboost::math::policies::detail::test_is_valid_arg(static_cast<T*>(0))) == 1);
+};
+
+template <class T>
+struct is_default_policy_imp
+{
+   BOOST_STATIC_CONSTANT(bool, value = sizeof(::ndnboost::math::policies::detail::test_is_default_arg(static_cast<T*>(0))) == 1);
+};
+
+template <class T> struct is_valid_policy 
+: public mpl::bool_< 
+   ::ndnboost::math::policies::detail::is_valid_policy_imp<T>::value>
+{};
+
+template <class T> struct is_default_policy 
+: public mpl::bool_< 
+   ::ndnboost::math::policies::detail::is_default_policy_imp<T>::value>
+{
+   template <class U>
+   struct apply
+   {
+      typedef is_default_policy<U> type;
+   };
+};
+
+template <class Seq, class T, int N>
+struct append_N
+{
+   typedef typename mpl::push_back<Seq, T>::type new_seq;
+   typedef typename append_N<new_seq, T, N-1>::type type;
+};
+
+template <class Seq, class T>
+struct append_N<Seq, T, 0>
+{
+   typedef Seq type;
+};
+
+//
+// Traits class to work out what template parameters our default
+// policy<> class will have when modified for forwarding:
+//
+template <bool f, bool d>
+struct default_args
+{
+   typedef promote_float<false> arg1;
+   typedef promote_double<false> arg2;
+};
+
+template <>
+struct default_args<false, false>
+{
+   typedef default_policy arg1;
+   typedef default_policy arg2;
+};
+
+template <>
+struct default_args<true, false>
+{
+   typedef promote_float<false> arg1;
+   typedef default_policy arg2;
+};
+
+template <>
+struct default_args<false, true>
+{
+   typedef promote_double<false> arg1;
+   typedef default_policy arg2;
+};
+
+typedef default_args<BOOST_MATH_PROMOTE_FLOAT_POLICY, BOOST_MATH_PROMOTE_DOUBLE_POLICY>::arg1 forwarding_arg1;
+typedef default_args<BOOST_MATH_PROMOTE_FLOAT_POLICY, BOOST_MATH_PROMOTE_DOUBLE_POLICY>::arg2 forwarding_arg2;
+
+} // detail
+//
+// Now define the policy type with enough arguments to handle all
+// the policies:
+//
+template <class A1 = default_policy, 
+          class A2 = default_policy, 
+          class A3 = default_policy,
+          class A4 = default_policy,
+          class A5 = default_policy,
+          class A6 = default_policy,
+          class A7 = default_policy,
+          class A8 = default_policy,
+          class A9 = default_policy,
+          class A10 = default_policy,
+          class A11 = default_policy,
+          class A12 = default_policy,
+          class A13 = default_policy>
+struct policy
+{
+private:
+   //
+   // Validate all our arguments:
+   //
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A1>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A2>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A3>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A4>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A5>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A6>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A7>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A8>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A9>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A10>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A11>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A12>::value);
+   BOOST_STATIC_ASSERT(::ndnboost::math::policies::detail::is_valid_policy<A13>::value);
+   //
+   // Typelist of the arguments:
+   //
+   typedef mpl::list<A1,A2,A3,A4,A5,A6,A7,A8,A9,A10,A11,A12,A13> arg_list;
+
+public:
+   typedef typename detail::find_arg<arg_list, is_domain_error<mpl::_1>, domain_error<> >::type domain_error_type;
+   typedef typename detail::find_arg<arg_list, is_pole_error<mpl::_1>, pole_error<> >::type pole_error_type;
+   typedef typename detail::find_arg<arg_list, is_overflow_error<mpl::_1>, overflow_error<> >::type overflow_error_type;
+   typedef typename detail::find_arg<arg_list, is_underflow_error<mpl::_1>, underflow_error<> >::type underflow_error_type;
+   typedef typename detail::find_arg<arg_list, is_denorm_error<mpl::_1>, denorm_error<> >::type denorm_error_type;
+   typedef typename detail::find_arg<arg_list, is_evaluation_error<mpl::_1>, evaluation_error<> >::type evaluation_error_type;
+   typedef typename detail::find_arg<arg_list, is_rounding_error<mpl::_1>, rounding_error<> >::type rounding_error_type;
+   typedef typename detail::find_arg<arg_list, is_indeterminate_result_error<mpl::_1>, indeterminate_result_error<> >::type indeterminate_result_error_type;
+private:
+   //
+   // Now work out the precision:
+   //
+   typedef typename detail::find_arg<arg_list, is_digits10<mpl::_1>, digits10<> >::type digits10_type;
+   typedef typename detail::find_arg<arg_list, is_digits2<mpl::_1>, digits2<> >::type bits_precision_type;
+public:
+   typedef typename detail::precision<digits10_type, bits_precision_type>::type precision_type;
+   //
+   // Internal promotion:
+   //
+   typedef typename detail::find_arg<arg_list, is_promote_float<mpl::_1>, promote_float<> >::type promote_float_type;
+   typedef typename detail::find_arg<arg_list, is_promote_double<mpl::_1>, promote_double<> >::type promote_double_type;
+   //
+   // Discrete quantiles:
+   //
+   typedef typename detail::find_arg<arg_list, is_discrete_quantile<mpl::_1>, discrete_quantile<> >::type discrete_quantile_type;
+   //
+   // Mathematically undefined properties:
+   //
+   typedef typename detail::find_arg<arg_list, is_assert_undefined<mpl::_1>, assert_undefined<> >::type assert_undefined_type;
+   //
+   // Max iterations:
+   //
+   typedef typename detail::find_arg<arg_list, is_max_series_iterations<mpl::_1>, max_series_iterations<> >::type max_series_iterations_type;
+   typedef typename detail::find_arg<arg_list, is_max_root_iterations<mpl::_1>, max_root_iterations<> >::type max_root_iterations_type;
+};
+//
+// These full specializations are defined to reduce the amount of
+// template instantiations that have to take place when using the default
+// policies, they have quite a large impact on compile times:
+//
+template <>
+struct policy<default_policy, default_policy, default_policy, default_policy, default_policy, default_policy, default_policy, default_policy, default_policy, default_policy, default_policy>
+{
+public:
+   typedef domain_error<> domain_error_type;
+   typedef pole_error<> pole_error_type;
+   typedef overflow_error<> overflow_error_type;
+   typedef underflow_error<> underflow_error_type;
+   typedef denorm_error<> denorm_error_type;
+   typedef evaluation_error<> evaluation_error_type;
+   typedef rounding_error<> rounding_error_type;
+   typedef indeterminate_result_error<> indeterminate_result_error_type;
+#if BOOST_MATH_DIGITS10_POLICY == 0
+   typedef digits2<> precision_type;
+#else
+   typedef detail::precision<digits10<>, digits2<> >::type precision_type;
+#endif
+   typedef promote_float<> promote_float_type;
+   typedef promote_double<> promote_double_type;
+   typedef discrete_quantile<> discrete_quantile_type;
+   typedef assert_undefined<> assert_undefined_type;
+   typedef max_series_iterations<> max_series_iterations_type;
+   typedef max_root_iterations<> max_root_iterations_type;
+};
+
+template <>
+struct policy<detail::forwarding_arg1, detail::forwarding_arg2, default_policy, default_policy, default_policy, default_policy, default_policy, default_policy, default_policy, default_policy, default_policy>
+{
+public:
+   typedef domain_error<> domain_error_type;
+   typedef pole_error<> pole_error_type;
+   typedef overflow_error<> overflow_error_type;
+   typedef underflow_error<> underflow_error_type;
+   typedef denorm_error<> denorm_error_type;
+   typedef evaluation_error<> evaluation_error_type;
+   typedef rounding_error<> rounding_error_type;
+   typedef indeterminate_result_error<> indeterminate_result_error_type;
+#if BOOST_MATH_DIGITS10_POLICY == 0
+   typedef digits2<> precision_type;
+#else
+   typedef detail::precision<digits10<>, digits2<> >::type precision_type;
+#endif
+   typedef promote_float<false> promote_float_type;
+   typedef promote_double<false> promote_double_type;
+   typedef discrete_quantile<> discrete_quantile_type;
+   typedef assert_undefined<> assert_undefined_type;
+   typedef max_series_iterations<> max_series_iterations_type;
+   typedef max_root_iterations<> max_root_iterations_type;
+};
+
+template <class Policy, 
+          class A1 = default_policy, 
+          class A2 = default_policy, 
+          class A3 = default_policy,
+          class A4 = default_policy,
+          class A5 = default_policy,
+          class A6 = default_policy,
+          class A7 = default_policy,
+          class A8 = default_policy,
+          class A9 = default_policy,
+          class A10 = default_policy,
+          class A11 = default_policy,
+          class A12 = default_policy,
+          class A13 = default_policy>
+struct normalise
+{
+private:
+   typedef mpl::list<A1,A2,A3,A4,A5,A6,A7,A8,A9,A10,A11,A12,A13> arg_list;
+   typedef typename detail::find_arg<arg_list, is_domain_error<mpl::_1>, typename Policy::domain_error_type >::type domain_error_type;
+   typedef typename detail::find_arg<arg_list, is_pole_error<mpl::_1>, typename Policy::pole_error_type >::type pole_error_type;
+   typedef typename detail::find_arg<arg_list, is_overflow_error<mpl::_1>, typename Policy::overflow_error_type >::type overflow_error_type;
+   typedef typename detail::find_arg<arg_list, is_underflow_error<mpl::_1>, typename Policy::underflow_error_type >::type underflow_error_type;
+   typedef typename detail::find_arg<arg_list, is_denorm_error<mpl::_1>, typename Policy::denorm_error_type >::type denorm_error_type;
+   typedef typename detail::find_arg<arg_list, is_evaluation_error<mpl::_1>, typename Policy::evaluation_error_type >::type evaluation_error_type;
+   typedef typename detail::find_arg<arg_list, is_rounding_error<mpl::_1>, typename Policy::rounding_error_type >::type rounding_error_type;
+   typedef typename detail::find_arg<arg_list, is_indeterminate_result_error<mpl::_1>, typename Policy::indeterminate_result_error_type >::type indeterminate_result_error_type;
+   //
+   // Now work out the precision:
+   //
+   typedef typename detail::find_arg<arg_list, is_digits10<mpl::_1>, digits10<> >::type digits10_type;
+   typedef typename detail::find_arg<arg_list, is_digits2<mpl::_1>, typename Policy::precision_type >::type bits_precision_type;
+   typedef typename detail::precision<digits10_type, bits_precision_type>::type precision_type;
+   //
+   // Internal promotion:
+   //
+   typedef typename detail::find_arg<arg_list, is_promote_float<mpl::_1>, typename Policy::promote_float_type >::type promote_float_type;
+   typedef typename detail::find_arg<arg_list, is_promote_double<mpl::_1>, typename Policy::promote_double_type >::type promote_double_type;
+   //
+   // Discrete quantiles:
+   //
+   typedef typename detail::find_arg<arg_list, is_discrete_quantile<mpl::_1>, typename Policy::discrete_quantile_type >::type discrete_quantile_type;
+   //
+   // Mathematically undefined properties:
+   //
+   typedef typename detail::find_arg<arg_list, is_assert_undefined<mpl::_1>, typename Policy::assert_undefined_type >::type assert_undefined_type;
+   //
+   // Max iterations:
+   //
+   typedef typename detail::find_arg<arg_list, is_max_series_iterations<mpl::_1>, typename Policy::max_series_iterations_type>::type max_series_iterations_type;
+   typedef typename detail::find_arg<arg_list, is_max_root_iterations<mpl::_1>, typename Policy::max_root_iterations_type>::type max_root_iterations_type;
+   //
+   // Define a typelist of the policies:
+   //
+   typedef mpl::vector<
+      domain_error_type,
+      pole_error_type,
+      overflow_error_type,
+      underflow_error_type,
+      denorm_error_type,
+      evaluation_error_type,
+      rounding_error_type,
+      indeterminate_result_error_type,
+      precision_type,
+      promote_float_type,
+      promote_double_type,
+      discrete_quantile_type,
+      assert_undefined_type,
+      max_series_iterations_type,
+      max_root_iterations_type> result_list;
+   //
+   // Remove all the policies that are the same as the default:
+   //
+   typedef typename mpl::remove_if<result_list, detail::is_default_policy<mpl::_> >::type reduced_list;
+   //
+   // Pad out the list with defaults:
+   //
+   typedef typename detail::append_N<reduced_list, default_policy, (14 - ::ndnboost::mpl::size<reduced_list>::value)>::type result_type;
+public:
+   typedef policy<
+      typename mpl::at<result_type, mpl::int_<0> >::type,
+      typename mpl::at<result_type, mpl::int_<1> >::type,
+      typename mpl::at<result_type, mpl::int_<2> >::type,
+      typename mpl::at<result_type, mpl::int_<3> >::type,
+      typename mpl::at<result_type, mpl::int_<4> >::type,
+      typename mpl::at<result_type, mpl::int_<5> >::type,
+      typename mpl::at<result_type, mpl::int_<6> >::type,
+      typename mpl::at<result_type, mpl::int_<7> >::type,
+      typename mpl::at<result_type, mpl::int_<8> >::type,
+      typename mpl::at<result_type, mpl::int_<9> >::type,
+      typename mpl::at<result_type, mpl::int_<10> >::type,
+      typename mpl::at<result_type, mpl::int_<11> >::type,
+      typename mpl::at<result_type, mpl::int_<12> >::type > type;
+};
+//
+// Full specialisation to speed up compilation of the common case:
+//
+template <>
+struct normalise<policy<>, 
+          promote_float<false>, 
+          promote_double<false>, 
+          discrete_quantile<>,
+          assert_undefined<>,
+          default_policy,
+          default_policy,
+          default_policy,
+          default_policy,
+          default_policy,
+          default_policy,
+          default_policy>
+{
+   typedef policy<detail::forwarding_arg1, detail::forwarding_arg2> type;
+};
+
+template <>
+struct normalise<policy<detail::forwarding_arg1, detail::forwarding_arg2>,
+          promote_float<false>,
+          promote_double<false>,
+          discrete_quantile<>,
+          assert_undefined<>,
+          default_policy,
+          default_policy,
+          default_policy,
+          default_policy,
+          default_policy,
+          default_policy,
+          default_policy>
+{
+   typedef policy<detail::forwarding_arg1, detail::forwarding_arg2> type;
+};
+
+inline policy<> make_policy()
+{ return policy<>(); }
+
+template <class A1>
+inline typename normalise<policy<>, A1>::type make_policy(const A1&)
+{ 
+   typedef typename normalise<policy<>, A1>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2>
+inline typename normalise<policy<>, A1, A2>::type make_policy(const A1&, const A2&)
+{ 
+   typedef typename normalise<policy<>, A1, A2>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2, class A3>
+inline typename normalise<policy<>, A1, A2, A3>::type make_policy(const A1&, const A2&, const A3&)
+{ 
+   typedef typename normalise<policy<>, A1, A2, A3>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2, class A3, class A4>
+inline typename normalise<policy<>, A1, A2, A3, A4>::type make_policy(const A1&, const A2&, const A3&, const A4&)
+{ 
+   typedef typename normalise<policy<>, A1, A2, A3, A4>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2, class A3, class A4, class A5>
+inline typename normalise<policy<>, A1, A2, A3, A4, A5>::type make_policy(const A1&, const A2&, const A3&, const A4&, const A5&)
+{ 
+   typedef typename normalise<policy<>, A1, A2, A3, A4, A5>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2, class A3, class A4, class A5, class A6>
+inline typename normalise<policy<>, A1, A2, A3, A4, A5, A6>::type make_policy(const A1&, const A2&, const A3&, const A4&, const A5&, const A6&)
+{ 
+   typedef typename normalise<policy<>, A1, A2, A3, A4, A5, A6>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2, class A3, class A4, class A5, class A6, class A7>
+inline typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7>::type make_policy(const A1&, const A2&, const A3&, const A4&, const A5&, const A6&, const A7&)
+{ 
+   typedef typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
+inline typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7, A8>::type make_policy(const A1&, const A2&, const A3&, const A4&, const A5&, const A6&, const A7&, const A8&)
+{ 
+   typedef typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7, A8>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
+inline typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7, A8, A9>::type make_policy(const A1&, const A2&, const A3&, const A4&, const A5&, const A6&, const A7&, const A8&, const A9&)
+{ 
+   typedef typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7, A8, A9>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9, class A10>
+inline typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>::type make_policy(const A1&, const A2&, const A3&, const A4&, const A5&, const A6&, const A7&, const A8&, const A9&, const A10&)
+{ 
+   typedef typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>::type result_type;
+   return result_type(); 
+}
+
+template <class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9, class A10, class A11>
+inline typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>::type make_policy(const A1&, const A2&, const A3&, const A4&, const A5&, const A6&, const A7&, const A8&, const A9&, const A10&, const A11&)
+{
+   typedef typename normalise<policy<>, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>::type result_type;
+   return result_type();
+}
+
+//
+// Traits class to handle internal promotion:
+//
+template <class Real, class Policy>
+struct evaluation
+{
+   typedef Real type;
+};
+
+template <class Policy>
+struct evaluation<float, Policy>
+{
+   typedef typename mpl::if_<typename Policy::promote_float_type, double, float>::type type;
+};
+
+template <class Policy>
+struct evaluation<double, Policy>
+{
+   typedef typename mpl::if_<typename Policy::promote_double_type, long double, double>::type type;
+};
+
+#ifdef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
+
+template <class Real>
+struct basic_digits : public mpl::int_<0>{ };
+template <>
+struct basic_digits<float> : public mpl::int_<FLT_MANT_DIG>{ };
+template <>
+struct basic_digits<double> : public mpl::int_<DBL_MANT_DIG>{ };
+template <>
+struct basic_digits<long double> : public mpl::int_<LDBL_MANT_DIG>{ };
+
+template <class Real, class Policy>
+struct precision
+{
+   BOOST_STATIC_ASSERT( ::std::numeric_limits<Real>::radix == 2);
+   typedef typename Policy::precision_type precision_type;
+   typedef basic_digits<Real> digits_t;
+   typedef typename mpl::if_<
+      mpl::equal_to<digits_t, mpl::int_<0> >,
+      // Possibly unknown precision:
+      precision_type,
+      typename mpl::if_<
+         mpl::or_<mpl::less_equal<digits_t, precision_type>, mpl::less_equal<precision_type, mpl::int_<0> > >,
+         // Default case, full precision for RealType:
+         digits2< ::std::numeric_limits<Real>::digits>,
+         // User customised precision:
+         precision_type
+      >::type
+   >::type type;
+};
+
+template <class Policy>
+struct precision<float, Policy>
+{
+   typedef digits2<FLT_MANT_DIG> type;
+};
+template <class Policy>
+struct precision<double, Policy>
+{
+   typedef digits2<DBL_MANT_DIG> type;
+};
+template <class Policy>
+struct precision<long double, Policy>
+{
+   typedef digits2<LDBL_MANT_DIG> type;
+};
+
+#else
+
+template <class Real, class Policy>
+struct precision
+{
+   BOOST_STATIC_ASSERT((::std::numeric_limits<Real>::radix == 2) || ((::std::numeric_limits<Real>::is_specialized == 0) || (::std::numeric_limits<Real>::digits == 0)));
+#ifndef __BORLANDC__
+   typedef typename Policy::precision_type precision_type;
+   typedef typename mpl::if_c<
+      ((::std::numeric_limits<Real>::is_specialized == 0) || (::std::numeric_limits<Real>::digits == 0)),
+      // Possibly unknown precision:
+      precision_type,
+      typename mpl::if_c<
+         ((::std::numeric_limits<Real>::digits <= precision_type::value) 
+         || (Policy::precision_type::value <= 0)),
+         // Default case, full precision for RealType:
+         digits2< ::std::numeric_limits<Real>::digits>,
+         // User customised precision:
+         precision_type
+      >::type
+   >::type type;
+#else
+   typedef typename Policy::precision_type precision_type;
+   typedef mpl::int_< ::std::numeric_limits<Real>::digits> digits_t;
+   typedef mpl::bool_< ::std::numeric_limits<Real>::is_specialized> spec_t;
+   typedef typename mpl::if_<
+      mpl::or_<mpl::equal_to<spec_t, mpl::false_>, mpl::equal_to<digits_t, mpl::int_<0> > >,
+      // Possibly unknown precision:
+      precision_type,
+      typename mpl::if_<
+         mpl::or_<mpl::less_equal<digits_t, precision_type>, mpl::less_equal<precision_type, mpl::int_<0> > >,
+         // Default case, full precision for RealType:
+         digits2< ::std::numeric_limits<Real>::digits>,
+         // User customised precision:
+         precision_type
+      >::type
+   >::type type;
+#endif
+};
+
+#endif
+
+#ifdef BOOST_MATH_USE_FLOAT128
+
+template <class Policy>
+struct precision<__float128, Policy>
+{
+   typedef mpl::int_<113> type;
+};
+
+#endif
+
+namespace detail{
+
+template <class T, class Policy>
+inline int digits_imp(mpl::true_ const&)
+{
+#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
+   BOOST_STATIC_ASSERT( ::std::numeric_limits<T>::is_specialized);
+#else
+   BOOST_ASSERT(::std::numeric_limits<T>::is_specialized);
+#endif
+   typedef typename ndnboost::math::policies::precision<T, Policy>::type p_t;
+   return p_t::value;
+}
+
+template <class T, class Policy>
+inline int digits_imp(mpl::false_ const&)
+{
+   return tools::digits<T>();
+}
+
+} // namespace detail
+
+template <class T, class Policy>
+inline int digits(BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(T))
+{
+   typedef mpl::bool_< std::numeric_limits<T>::is_specialized > tag_type;
+   return detail::digits_imp<T, Policy>(tag_type());
+}
+
+template <class Policy>
+inline unsigned long get_max_series_iterations()
+{
+   typedef typename Policy::max_series_iterations_type iter_type;
+   return iter_type::value;
+}
+
+template <class Policy>
+inline unsigned long get_max_root_iterations()
+{
+   typedef typename Policy::max_root_iterations_type iter_type;
+   return iter_type::value;
+}
+
+namespace detail{
+
+template <class T, class Digits, class Small, class Default>
+struct series_factor_calc
+{
+   static T get()
+   {
+      return ldexp(T(1.0), 1 - Digits::value);
+   }
+};
+
+template <class T, class Digits>
+struct series_factor_calc<T, Digits, mpl::true_, mpl::true_>
+{
+   static T get()
+   {
+      return ndnboost::math::tools::epsilon<T>();
+   }
+};
+template <class T, class Digits>
+struct series_factor_calc<T, Digits, mpl::true_, mpl::false_>
+{
+   static T get()
+   {
+      static const ndnboost::uintmax_t v = static_cast<ndnboost::uintmax_t>(1u) << (Digits::value - 1);
+      return 1 / static_cast<T>(v);
+   }
+};
+template <class T, class Digits>
+struct series_factor_calc<T, Digits, mpl::false_, mpl::true_>
+{
+   static T get()
+   {
+      return ndnboost::math::tools::epsilon<T>();
+   }
+};
+
+template <class T, class Policy>
+inline T get_epsilon_imp(mpl::true_ const&)
+{
+#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
+   BOOST_STATIC_ASSERT( ::std::numeric_limits<T>::is_specialized);
+   BOOST_STATIC_ASSERT( ::std::numeric_limits<T>::radix == 2);
+#else
+   BOOST_ASSERT(::std::numeric_limits<T>::is_specialized);
+   BOOST_ASSERT(::std::numeric_limits<T>::radix == 2);
+#endif
+   typedef typename ndnboost::math::policies::precision<T, Policy>::type p_t;
+   typedef mpl::bool_<p_t::value <= std::numeric_limits<ndnboost::uintmax_t>::digits> is_small_int;
+   typedef mpl::bool_<p_t::value >= std::numeric_limits<T>::digits> is_default_value;
+   return series_factor_calc<T, p_t, is_small_int, is_default_value>::get();
+}
+
+template <class T, class Policy>
+inline T get_epsilon_imp(mpl::false_ const&)
+{
+   return tools::epsilon<T>();
+}
+
+} // namespace detail
+
+template <class T, class Policy>
+inline T get_epsilon(BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(T))
+{
+   typedef mpl::bool_< (std::numeric_limits<T>::is_specialized && (std::numeric_limits<T>::radix == 2)) > tag_type;
+   return detail::get_epsilon_imp<T, Policy>(tag_type());
+}
+
+namespace detail{
+
+template <class A1, 
+          class A2, 
+          class A3,
+          class A4,
+          class A5,
+          class A6,
+          class A7,
+          class A8,
+          class A9,
+          class A10,
+          class A11>
+char test_is_policy(const policy<A1,A2,A3,A4,A5,A6,A7,A8,A9,A10,A11>*);
+double test_is_policy(...);
+
+template <class P>
+struct is_policy_imp
+{
+   BOOST_STATIC_CONSTANT(bool, value = (sizeof(::ndnboost::math::policies::detail::test_is_policy(static_cast<P*>(0))) == 1));
+};
+
+}
+
+template <class P>
+struct is_policy : public mpl::bool_< ::ndnboost::math::policies::detail::is_policy_imp<P>::value> {};
+
+//
+// Helper traits class for distribution error handling:
+//
+template <class Policy>
+struct constructor_error_check
+{
+   typedef typename Policy::domain_error_type domain_error_type;
+   typedef typename mpl::if_c<
+      (domain_error_type::value == throw_on_error) || (domain_error_type::value == user_error),
+      mpl::true_,
+      mpl::false_>::type type;
+};
+
+template <class Policy>
+struct method_error_check
+{
+   typedef typename Policy::domain_error_type domain_error_type;
+   typedef typename mpl::if_c<
+      (domain_error_type::value == throw_on_error) && (domain_error_type::value != user_error),
+      mpl::false_,
+      mpl::true_>::type type;
+};
+
+}}} // namespaces
+
+#endif // BOOST_MATH_POLICY_HPP
+
+
+