565 lines
21 KiB
C++
565 lines
21 KiB
C++
///////////////////////////////////////////////////////////////
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// Copyright 2012 John Maddock. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_
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#ifndef BOOST_MATH_LOGGED_ADAPTER_HPP
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#define BOOST_MATH_LOGGED_ADAPTER_HPP
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#include <boost/multiprecision/traits/extract_exponent_type.hpp>
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#include <boost/multiprecision/detail/integer_ops.hpp>
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namespace boost{
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namespace multiprecision{
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template <class Backend>
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inline void log_postfix_event(const Backend&, const char* /*event_description*/)
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{
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}
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template <class Backend, class T>
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inline void log_postfix_event(const Backend&, const T&, const char* /*event_description*/)
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{
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}
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template <class Backend>
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inline void log_prefix_event(const Backend&, const char* /*event_description*/)
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{
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}
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template <class Backend, class T>
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inline void log_prefix_event(const Backend&, const T&, const char* /*event_description*/)
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{
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}
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template <class Backend, class T, class U>
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inline void log_prefix_event(const Backend&, const T&, const U&, const char* /*event_description*/)
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{
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}
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template <class Backend, class T, class U, class V>
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inline void log_prefix_event(const Backend&, const T&, const U&, const V&, const char* /*event_description*/)
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{
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}
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namespace backends{
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template <class Backend>
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struct logged_adaptor
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{
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typedef typename Backend::signed_types signed_types;
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typedef typename Backend::unsigned_types unsigned_types;
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typedef typename Backend::float_types float_types;
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typedef typename extract_exponent_type<
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Backend, number_category<Backend>::value>::type exponent_type;
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private:
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Backend m_value;
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public:
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logged_adaptor()
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{
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log_postfix_event(m_value, "Default construct");
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}
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logged_adaptor(const logged_adaptor& o)
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{
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log_prefix_event(m_value, o.value(), "Copy construct");
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m_value = o.m_value;
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log_postfix_event(m_value, "Copy construct");
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}
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logged_adaptor& operator = (const logged_adaptor& o)
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{
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log_prefix_event(m_value, o.value(), "Assignment");
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m_value = o.m_value;
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log_postfix_event(m_value, "Copy construct");
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return *this;
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}
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template <class T>
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logged_adaptor(const T& i, const typename enable_if_c<is_convertible<T, Backend>::value>::type* = 0)
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: m_value(i)
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{
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log_postfix_event(m_value, "construct from arithmetic type");
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}
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template <class T>
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typename enable_if_c<is_arithmetic<T>::value || is_convertible<T, Backend>::value, logged_adaptor&>::type operator = (const T& i)
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{
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log_prefix_event(m_value, i, "Assignment from arithmetic type");
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m_value = i;
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log_postfix_event(m_value, "Assignment from arithmetic type");
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return *this;
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}
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logged_adaptor& operator = (const char* s)
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{
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log_prefix_event(m_value, s, "Assignment from string type");
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m_value = s;
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log_postfix_event(m_value, "Assignment from string type");
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return *this;
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}
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void swap(logged_adaptor& o)
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{
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log_prefix_event(m_value, o.value(), "swap");
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std::swap(m_value, o.value());
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log_postfix_event(m_value, "swap");
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}
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std::string str(std::streamsize digits, std::ios_base::fmtflags f)const
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{
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log_prefix_event(m_value, "Conversion to string");
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std::string s = m_value.str(digits, f);
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log_postfix_event(m_value, s, "Conversion to string");
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return s;
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}
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void negate()
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{
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log_prefix_event(m_value, "negate");
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m_value.negate();
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log_postfix_event(m_value, "negate");
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}
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int compare(const logged_adaptor& o)const
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{
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log_prefix_event(m_value, o.value(), "compare");
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int r = m_value.compare(o.value());
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log_postfix_event(m_value, r, "compare");
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return r;
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}
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template <class T>
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int compare(const T& i)const
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{
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log_prefix_event(m_value, i, "compare");
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int r = m_value.compare(i);
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log_postfix_event(m_value, r, "compare");
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return r;
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}
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Backend& value()
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{
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return m_value;
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}
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const Backend& value()const
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{
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return m_value;
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}
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template <class Archive>
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void serialize(Archive& ar, const unsigned int /*version*/)
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{
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log_prefix_event(m_value, "serialize");
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ar & m_value;
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log_postfix_event(m_value, "serialize");
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}
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static unsigned default_precision() BOOST_NOEXCEPT
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{
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return Backend::default_precision();
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}
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static void default_precision(unsigned v) BOOST_NOEXCEPT
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{
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Backend::default_precision(v);
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}
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unsigned precision()const BOOST_NOEXCEPT
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{
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return value().precision();
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}
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void precision(unsigned digits10) BOOST_NOEXCEPT
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{
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value().precision(digits10);
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}
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};
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template <class T>
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inline const T& unwrap_logged_type(const T& a) { return a; }
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template <class Backend>
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inline const Backend& unwrap_logged_type(const logged_adaptor<Backend>& a) { return a.value(); }
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#define NON_MEMBER_OP1(name, str) \
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template <class Backend>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), str);\
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BOOST_JOIN(eval_, name)(result.value());\
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log_postfix_event(result.value(), str);\
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}
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#define NON_MEMBER_OP2(name, str) \
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const T& a)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a));\
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log_postfix_event(result.value(), str);\
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}\
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template <class Backend>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& a)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a));\
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log_postfix_event(result.value(), str);\
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}
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#define NON_MEMBER_OP3(name, str) \
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template <class Backend, class T, class U>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const T& a, const U& b)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b));\
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log_postfix_event(result.value(), str);\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& a, const T& b)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b));\
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log_postfix_event(result.value(), str);\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const T& a, const logged_adaptor<Backend>& b)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b));\
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log_postfix_event(result.value(), str);\
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}\
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template <class Backend>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& a, const logged_adaptor<Backend>& b)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b));\
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log_postfix_event(result.value(), str);\
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}
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#define NON_MEMBER_OP4(name, str) \
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template <class Backend, class T, class U, class V>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const T& a, const U& b, const V& c)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c));\
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log_postfix_event(result.value(), str);\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& a, const logged_adaptor<Backend>& b, const T& c)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c));\
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log_postfix_event(result.value(), str);\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& a, const T& b, const logged_adaptor<Backend>& c)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c));\
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log_postfix_event(result.value(), str);\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const T& a, const logged_adaptor<Backend>& b, const logged_adaptor<Backend>& c)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c));\
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log_postfix_event(result.value(), str);\
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}\
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template <class Backend>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& a, const logged_adaptor<Backend>& b, const logged_adaptor<Backend>& c)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c));\
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log_postfix_event(result.value(), str);\
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}\
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template <class Backend, class T, class U>\
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inline void BOOST_JOIN(eval_, name)(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& a, const T& b, const U& c)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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log_prefix_event(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c), str);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_logged_type(a), unwrap_logged_type(b), unwrap_logged_type(c));\
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log_postfix_event(result.value(), str);\
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}\
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NON_MEMBER_OP2(add, "+=");
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NON_MEMBER_OP2(subtract, "-=");
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NON_MEMBER_OP2(multiply, "*=");
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NON_MEMBER_OP2(divide, "/=");
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template <class Backend, class R>
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inline void eval_convert_to(R* result, const logged_adaptor<Backend>& val)
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{
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using default_ops::eval_convert_to;
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log_prefix_event(val.value(), "convert_to");
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eval_convert_to(result, val.value());
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log_postfix_event(val.value(), *result, "convert_to");
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}
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template <class Backend, class Exp>
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inline void eval_frexp(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& arg, Exp* exp)
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{
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log_prefix_event(arg.value(), "frexp");
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eval_frexp(result.value(), arg.value(), exp);
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log_postfix_event(result.value(), *exp, "frexp");
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}
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template <class Backend, class Exp>
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inline void eval_ldexp(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& arg, Exp exp)
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{
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log_prefix_event(arg.value(), "ldexp");
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eval_ldexp(result.value(), arg.value(), exp);
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log_postfix_event(result.value(), exp, "ldexp");
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}
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template <class Backend, class Exp>
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inline void eval_scalbn(logged_adaptor<Backend>& result, const logged_adaptor<Backend>& arg, Exp exp)
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{
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log_prefix_event(arg.value(), "scalbn");
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eval_scalbn(result.value(), arg.value(), exp);
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log_postfix_event(result.value(), exp, "scalbn");
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}
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template <class Backend>
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inline typename Backend::exponent_type eval_ilogb(const logged_adaptor<Backend>& arg)
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{
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log_prefix_event(arg.value(), "ilogb");
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typename Backend::exponent_type r = eval_ilogb(arg.value());
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log_postfix_event(arg.value(), "ilogb");
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return r;
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}
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NON_MEMBER_OP2(floor, "floor");
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NON_MEMBER_OP2(ceil, "ceil");
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NON_MEMBER_OP2(sqrt, "sqrt");
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template <class Backend>
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inline int eval_fpclassify(const logged_adaptor<Backend>& arg)
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{
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using default_ops::eval_fpclassify;
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log_prefix_event(arg.value(), "fpclassify");
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int r = eval_fpclassify(arg.value());
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log_postfix_event(arg.value(), r, "fpclassify");
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return r;
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}
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/*********************************************************************
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*
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* Optional arithmetic operations come next:
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*
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*********************************************************************/
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NON_MEMBER_OP3(add, "+");
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NON_MEMBER_OP3(subtract, "-");
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NON_MEMBER_OP3(multiply, "*");
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NON_MEMBER_OP3(divide, "/");
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NON_MEMBER_OP3(multiply_add, "fused-multiply-add");
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NON_MEMBER_OP3(multiply_subtract, "fused-multiply-subtract");
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NON_MEMBER_OP4(multiply_add, "fused-multiply-add");
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NON_MEMBER_OP4(multiply_subtract, "fused-multiply-subtract");
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NON_MEMBER_OP1(increment, "increment");
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NON_MEMBER_OP1(decrement, "decrement");
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/*********************************************************************
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*
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* Optional integer operations come next:
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*
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*********************************************************************/
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NON_MEMBER_OP2(modulus, "%=");
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NON_MEMBER_OP3(modulus, "%");
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NON_MEMBER_OP2(bitwise_or, "|=");
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NON_MEMBER_OP3(bitwise_or, "|");
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NON_MEMBER_OP2(bitwise_and, "&=");
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NON_MEMBER_OP3(bitwise_and, "&");
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NON_MEMBER_OP2(bitwise_xor, "^=");
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NON_MEMBER_OP3(bitwise_xor, "^");
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NON_MEMBER_OP4(qr, "quotient-and-remainder");
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NON_MEMBER_OP2(complement, "~");
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template <class Backend>
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inline void eval_left_shift(logged_adaptor<Backend>& arg, unsigned a)
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{
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using default_ops::eval_left_shift;
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log_prefix_event(arg.value(), a, "<<=");
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eval_left_shift(arg.value(), a);
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log_postfix_event(arg.value(), "<<=");
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}
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template <class Backend>
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inline void eval_left_shift(logged_adaptor<Backend>& arg, const logged_adaptor<Backend>& a, unsigned b)
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{
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using default_ops::eval_left_shift;
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log_prefix_event(arg.value(), a, b, "<<");
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eval_left_shift(arg.value(), a.value(), b);
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log_postfix_event(arg.value(), "<<");
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}
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template <class Backend>
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inline void eval_right_shift(logged_adaptor<Backend>& arg, unsigned a)
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{
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using default_ops::eval_right_shift;
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log_prefix_event(arg.value(), a, ">>=");
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eval_right_shift(arg.value(), a);
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log_postfix_event(arg.value(), ">>=");
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}
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template <class Backend>
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inline void eval_right_shift(logged_adaptor<Backend>& arg, const logged_adaptor<Backend>& a, unsigned b)
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{
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using default_ops::eval_right_shift;
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log_prefix_event(arg.value(), a, b, ">>");
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eval_right_shift(arg.value(), a.value(), b);
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log_postfix_event(arg.value(), ">>");
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}
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template <class Backend, class T>
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inline unsigned eval_integer_modulus(const logged_adaptor<Backend>& arg, const T& a)
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{
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using default_ops::eval_integer_modulus;
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log_prefix_event(arg.value(), a, "integer-modulus");
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unsigned r = eval_integer_modulus(arg.value(), a);
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log_postfix_event(arg.value(), r, "integer-modulus");
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return r;
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}
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template <class Backend>
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inline unsigned eval_lsb(const logged_adaptor<Backend>& arg)
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{
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using default_ops::eval_lsb;
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log_prefix_event(arg.value(), "least-significant-bit");
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unsigned r = eval_lsb(arg.value());
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log_postfix_event(arg.value(), r, "least-significant-bit");
|
|
return r;
|
|
}
|
|
|
|
template <class Backend>
|
|
inline unsigned eval_msb(const logged_adaptor<Backend>& arg)
|
|
{
|
|
using default_ops::eval_msb;
|
|
log_prefix_event(arg.value(), "most-significant-bit");
|
|
unsigned r = eval_msb(arg.value());
|
|
log_postfix_event(arg.value(), r, "most-significant-bit");
|
|
return r;
|
|
}
|
|
|
|
template <class Backend>
|
|
inline bool eval_bit_test(const logged_adaptor<Backend>& arg, unsigned a)
|
|
{
|
|
using default_ops::eval_bit_test;
|
|
log_prefix_event(arg.value(), a, "bit-test");
|
|
bool r = eval_bit_test(arg.value(), a);
|
|
log_postfix_event(arg.value(), r, "bit-test");
|
|
return r;
|
|
}
|
|
|
|
template <class Backend>
|
|
inline void eval_bit_set(const logged_adaptor<Backend>& arg, unsigned a)
|
|
{
|
|
using default_ops::eval_bit_set;
|
|
log_prefix_event(arg.value(), a, "bit-set");
|
|
eval_bit_set(arg.value(), a);
|
|
log_postfix_event(arg.value(), arg, "bit-set");
|
|
}
|
|
template <class Backend>
|
|
inline void eval_bit_unset(const logged_adaptor<Backend>& arg, unsigned a)
|
|
{
|
|
using default_ops::eval_bit_unset;
|
|
log_prefix_event(arg.value(), a, "bit-unset");
|
|
eval_bit_unset(arg.value(), a);
|
|
log_postfix_event(arg.value(), arg, "bit-unset");
|
|
}
|
|
template <class Backend>
|
|
inline void eval_bit_flip(const logged_adaptor<Backend>& arg, unsigned a)
|
|
{
|
|
using default_ops::eval_bit_flip;
|
|
log_prefix_event(arg.value(), a, "bit-flip");
|
|
eval_bit_flip(arg.value(), a);
|
|
log_postfix_event(arg.value(), arg, "bit-flip");
|
|
}
|
|
|
|
NON_MEMBER_OP3(gcd, "gcd");
|
|
NON_MEMBER_OP3(lcm, "lcm");
|
|
NON_MEMBER_OP4(powm, "powm");
|
|
|
|
/*********************************************************************
|
|
*
|
|
* abs/fabs:
|
|
*
|
|
*********************************************************************/
|
|
|
|
NON_MEMBER_OP2(abs, "abs");
|
|
NON_MEMBER_OP2(fabs, "fabs");
|
|
|
|
/*********************************************************************
|
|
*
|
|
* Floating point functions:
|
|
*
|
|
*********************************************************************/
|
|
|
|
NON_MEMBER_OP2(trunc, "trunc");
|
|
NON_MEMBER_OP2(round, "round");
|
|
NON_MEMBER_OP2(exp, "exp");
|
|
NON_MEMBER_OP2(log, "log");
|
|
NON_MEMBER_OP2(log10, "log10");
|
|
NON_MEMBER_OP2(sin, "sin");
|
|
NON_MEMBER_OP2(cos, "cos");
|
|
NON_MEMBER_OP2(tan, "tan");
|
|
NON_MEMBER_OP2(asin, "asin");
|
|
NON_MEMBER_OP2(acos, "acos");
|
|
NON_MEMBER_OP2(atan, "atan");
|
|
NON_MEMBER_OP2(sinh, "sinh");
|
|
NON_MEMBER_OP2(cosh, "cosh");
|
|
NON_MEMBER_OP2(tanh, "tanh");
|
|
NON_MEMBER_OP2(logb, "logb");
|
|
NON_MEMBER_OP3(fmod, "fmod");
|
|
NON_MEMBER_OP3(pow, "pow");
|
|
NON_MEMBER_OP3(atan2, "atan2");
|
|
|
|
template <class Backend>
|
|
std::size_t hash_value(const logged_adaptor<Backend>& val)
|
|
{
|
|
return hash_value(val.value());
|
|
}
|
|
|
|
} // namespace backends
|
|
|
|
using backends::logged_adaptor;
|
|
|
|
template<class Backend>
|
|
struct number_category<backends::logged_adaptor<Backend> > : public number_category<Backend> {};
|
|
|
|
}} // namespaces
|
|
|
|
namespace std{
|
|
|
|
template <class Backend, boost::multiprecision::expression_template_option ExpressionTemplates>
|
|
class numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::logged_adaptor<Backend>, ExpressionTemplates> >
|
|
: public std::numeric_limits<boost::multiprecision::number<Backend, ExpressionTemplates> >
|
|
{
|
|
typedef std::numeric_limits<boost::multiprecision::number<Backend, ExpressionTemplates> > base_type;
|
|
typedef boost::multiprecision::number<boost::multiprecision::backends::logged_adaptor<Backend>, ExpressionTemplates> number_type;
|
|
public:
|
|
static number_type (min)() BOOST_NOEXCEPT { return (base_type::min)(); }
|
|
static number_type (max)() BOOST_NOEXCEPT { return (base_type::max)(); }
|
|
static number_type lowest() BOOST_NOEXCEPT { return -(max)(); }
|
|
static number_type epsilon() BOOST_NOEXCEPT { return base_type::epsilon(); }
|
|
static number_type round_error() BOOST_NOEXCEPT { return epsilon() / 2; }
|
|
static number_type infinity() BOOST_NOEXCEPT { return base_type::infinity(); }
|
|
static number_type quiet_NaN() BOOST_NOEXCEPT { return base_type::quiet_NaN(); }
|
|
static number_type signaling_NaN() BOOST_NOEXCEPT { return base_type::signaling_NaN(); }
|
|
static number_type denorm_min() BOOST_NOEXCEPT { return base_type::denorm_min(); }
|
|
};
|
|
|
|
} // namespace std
|
|
|
|
namespace boost{ namespace math{
|
|
|
|
namespace policies{
|
|
|
|
template <class Backend, boost::multiprecision::expression_template_option ExpressionTemplates, class Policy>
|
|
struct precision< boost::multiprecision::number<boost::multiprecision::logged_adaptor<Backend>, ExpressionTemplates>, Policy>
|
|
: public precision<boost::multiprecision::number<Backend, ExpressionTemplates>, Policy>
|
|
{};
|
|
|
|
} // namespace policies
|
|
|
|
}} // namespaces boost::math
|
|
|
|
#undef NON_MEMBER_OP1
|
|
#undef NON_MEMBER_OP2
|
|
#undef NON_MEMBER_OP3
|
|
#undef NON_MEMBER_OP4
|
|
|
|
#endif
|