summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '3rdParty/Boost/src/boost/math/policies')
-rw-r--r--3rdParty/Boost/src/boost/math/policies/policy.hpp982
1 files changed, 982 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/math/policies/policy.hpp b/3rdParty/Boost/src/boost/math/policies/policy.hpp
new file mode 100644
index 0000000..01fe3d0
--- /dev/null
+++ b/3rdParty/Boost/src/boost/math/policies/policy.hpp
@@ -0,0 +1,982 @@
+// 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 <boost/mpl/list.hpp>
+#include <boost/mpl/contains.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/mpl/find_if.hpp>
+#include <boost/mpl/remove_if.hpp>
+#include <boost/mpl/vector.hpp>
+#include <boost/mpl/push_back.hpp>
+#include <boost/mpl/at.hpp>
+#include <boost/mpl/size.hpp>
+#include <boost/mpl/comparison.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/assert.hpp>
+#include <boost/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 boost{ 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 boost::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 boost::mpl::bool_< ::boost::math::policies::detail::is_##name##_imp<T>::value>{};
+
+#define BOOST_MATH_META_BOOL(name, Default)\
+ template <bool N = Default> struct name : public boost::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 boost::mpl::bool_< ::boost::math::policies::detail::is_##name##_imp<T>::value>{};
+#else
+#define BOOST_MATH_META_INT(Type, name, Default)\
+ template <Type N = Default> struct name : public boost::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( ::boost::math::policies::detail::is_##name##_tester<T>::test(inst)) == 1);\
+ };\
+ }\
+ template <class T> struct is_##name : public boost::mpl::bool_< ::boost::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 boost::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( ::boost::math::policies::detail::is_##name##_tester<T>::test(inst)) == 1);\
+ };\
+ }\
+ template <class T> struct is_##name : public boost::mpl::bool_< ::boost::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 > ::boost::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,
+ ::boost::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(::boost::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(::boost::math::policies::detail::test_is_default_arg(static_cast<T*>(0))) == 1);
+};
+
+template <class T> struct is_valid_policy
+: public mpl::bool_<
+ ::boost::math::policies::detail::is_valid_policy_imp<T>::value>
+{};
+
+template <class T> struct is_default_policy
+: public mpl::bool_<
+ ::boost::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(::boost::math::policies::detail::is_valid_policy<A1>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A2>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A3>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A4>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A5>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A6>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A7>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A8>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A9>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A10>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A11>::value);
+ BOOST_STATIC_ASSERT(::boost::math::policies::detail::is_valid_policy<A12>::value);
+ BOOST_STATIC_ASSERT(::boost::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 - ::boost::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
+
+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 boost::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 boost::math::tools::epsilon<T>();
+ }
+};
+template <class T, class Digits>
+struct series_factor_calc<T, Digits, mpl::true_, mpl::false_>
+{
+ static T get()
+ {
+ static const boost::uintmax_t v = static_cast<boost::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 boost::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 boost::math::policies::precision<T, Policy>::type p_t;
+ typedef mpl::bool_<p_t::value <= std::numeric_limits<boost::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(::boost::math::policies::detail::test_is_policy(static_cast<P*>(0))) == 1));
+};
+
+}
+
+template <class P>
+struct is_policy : public mpl::bool_< ::boost::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
+
+
+