519 lines
17 KiB
C++
519 lines
17 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_DEBUG_ADAPTER_HPP
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#define BOOST_MATH_DEBUG_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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namespace backends{
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#ifdef BOOST_MSVC
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#pragma warning(push)
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#pragma warning(disable:4127) // conditional expression is constant
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#endif
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template <class Backend>
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struct debug_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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std::string debug_value;
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Backend m_value;
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public:
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void update_view()
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{
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#ifndef BOOST_NO_EXCEPTIONS
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try
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{
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#endif
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debug_value = m_value.str(0, static_cast<std::ios_base::fmtflags>(0));
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#ifndef BOOST_NO_EXCEPTIONS
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}
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catch(const std::exception& e)
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{
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debug_value = "String conversion failed with message: \"";
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debug_value += e.what();
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debug_value += "\"";
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}
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#endif
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}
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debug_adaptor()
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{
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update_view();
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}
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debug_adaptor(const debug_adaptor& o) : debug_value(o.debug_value), m_value(o.m_value)
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{
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}
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debug_adaptor& operator = (const debug_adaptor& o)
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{
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debug_value = o.debug_value;
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m_value = o.m_value;
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return *this;
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}
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template <class T>
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debug_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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update_view();
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}
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template <class T>
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debug_adaptor(const T& i, const T& j)
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: m_value(i, j)
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{
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update_view();
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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, debug_adaptor&>::type operator = (const T& i)
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{
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m_value = i;
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update_view();
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return *this;
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}
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debug_adaptor& operator = (const char* s)
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{
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m_value = s;
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update_view();
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return *this;
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}
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void swap(debug_adaptor& o)
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{
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std::swap(m_value, o.value());
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std::swap(debug_value, o.debug_value);
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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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return m_value.str(digits, f);
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}
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void negate()
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{
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m_value.negate();
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update_view();
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}
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int compare(const debug_adaptor& o)const
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{
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return m_value.compare(o.value());
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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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return m_value.compare(i);
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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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ar & m_value;
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typedef typename Archive::is_loading tag;
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if(tag::value)
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update_view();
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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 Backend>
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inline Backend const& unwrap_debug_type(debug_adaptor<Backend> const& val)
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{
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return val.value();
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}
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template <class T>
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inline const T& unwrap_debug_type(const T& val)
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{
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return val;
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}
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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)(debug_adaptor<Backend>& result)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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BOOST_JOIN(eval_, name)(result.value());\
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result.update_view();\
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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)(debug_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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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a));\
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result.update_view();\
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}\
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template <class Backend>\
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inline void BOOST_JOIN(eval_, name)(debug_adaptor<Backend>& result, const debug_adaptor<Backend>& a)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a));\
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result.update_view();\
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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)(debug_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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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b));\
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result.update_view();\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(debug_adaptor<Backend>& result, const debug_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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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b));\
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result.update_view();\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(debug_adaptor<Backend>& result, const T& a, const debug_adaptor<Backend>& b)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b));\
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result.update_view();\
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}\
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template <class Backend>\
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inline void BOOST_JOIN(eval_, name)(debug_adaptor<Backend>& result, const debug_adaptor<Backend>& a, const debug_adaptor<Backend>& b)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b));\
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result.update_view();\
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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)(debug_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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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b), unwrap_debug_type(c));\
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result.update_view();\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(debug_adaptor<Backend>& result, const debug_adaptor<Backend>& a, const debug_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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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b), unwrap_debug_type(c));\
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result.update_view();\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(debug_adaptor<Backend>& result, const debug_adaptor<Backend>& a, const T& b, const debug_adaptor<Backend>& c)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b), unwrap_debug_type(c));\
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result.update_view();\
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}\
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template <class Backend, class T>\
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inline void BOOST_JOIN(eval_, name)(debug_adaptor<Backend>& result, const T& a, const debug_adaptor<Backend>& b, const debug_adaptor<Backend>& c)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b), unwrap_debug_type(c));\
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result.update_view();\
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}\
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template <class Backend>\
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inline void BOOST_JOIN(eval_, name)(debug_adaptor<Backend>& result, const debug_adaptor<Backend>& a, const debug_adaptor<Backend>& b, const debug_adaptor<Backend>& c)\
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{\
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using default_ops::BOOST_JOIN(eval_, name);\
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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b), unwrap_debug_type(c));\
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result.update_view();\
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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)(debug_adaptor<Backend>& result, const debug_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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BOOST_JOIN(eval_, name)(result.value(), unwrap_debug_type(a), unwrap_debug_type(b), unwrap_debug_type(c));\
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result.update_view();\
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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 debug_adaptor<Backend>& val)
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{
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using default_ops::eval_convert_to;
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eval_convert_to(result, val.value());
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}
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template <class Backend, class Exp>
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inline void eval_frexp(debug_adaptor<Backend>& result, const debug_adaptor<Backend>& arg, Exp* exp)
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{
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eval_frexp(result.value(), arg.value(), exp);
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result.update_view();
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}
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template <class Backend, class Exp>
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inline void eval_ldexp(debug_adaptor<Backend>& result, const debug_adaptor<Backend>& arg, Exp exp)
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{
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eval_ldexp(result.value(), arg.value(), exp);
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result.update_view();
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}
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template <class Backend, class Exp>
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inline void eval_scalbn(debug_adaptor<Backend>& result, const debug_adaptor<Backend>& arg, Exp exp)
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{
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eval_scalbn(result.value(), arg.value(), exp);
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result.update_view();
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}
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template <class Backend>
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inline typename Backend::exponent_type eval_ilogb(const debug_adaptor<Backend>& arg)
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{
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return eval_ilogb(arg.value());
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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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NON_MEMBER_OP2(logb, "logb");
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template <class Backend>
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inline int eval_fpclassify(const debug_adaptor<Backend>& arg)
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{
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using default_ops::eval_fpclassify;
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return eval_fpclassify(arg.value());
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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(debug_adaptor<Backend>& arg, unsigned a)
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{
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using default_ops::eval_left_shift;
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eval_left_shift(arg.value(), a);
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arg.update_view();\
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}
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template <class Backend>
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inline void eval_left_shift(debug_adaptor<Backend>& arg, const debug_adaptor<Backend>& a, unsigned b)
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{
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using default_ops::eval_left_shift;
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eval_left_shift(arg.value(), a.value(), b);
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arg.update_view();\
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}
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template <class Backend>
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inline void eval_right_shift(debug_adaptor<Backend>& arg, unsigned a)
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{
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using default_ops::eval_right_shift;
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eval_right_shift(arg.value(), a);
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arg.update_view();\
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}
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template <class Backend>
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inline void eval_right_shift(debug_adaptor<Backend>& arg, const debug_adaptor<Backend>& a, unsigned b)
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{
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using default_ops::eval_right_shift;
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eval_right_shift(arg.value(), a.value(), b);
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arg.update_view();\
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}
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template <class Backend, class T>
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inline unsigned eval_integer_modulus(const debug_adaptor<Backend>& arg, const T& a)
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{
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using default_ops::eval_integer_modulus;
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return eval_integer_modulus(arg.value(), a);
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}
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template <class Backend>
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inline unsigned eval_lsb(const debug_adaptor<Backend>& arg)
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{
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using default_ops::eval_lsb;
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return eval_lsb(arg.value());
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}
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template <class Backend>
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inline unsigned eval_msb(const debug_adaptor<Backend>& arg)
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{
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using default_ops::eval_msb;
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return eval_msb(arg.value());
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}
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template <class Backend>
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inline bool eval_bit_test(const debug_adaptor<Backend>& arg, unsigned a)
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{
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using default_ops::eval_bit_test;
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return eval_bit_test(arg.value(), a);
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}
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template <class Backend>
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inline void eval_bit_set(const debug_adaptor<Backend>& arg, unsigned a)
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{
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using default_ops::eval_bit_set;
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eval_bit_set(arg.value(), a);
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arg.update_view();\
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}
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template <class Backend>
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inline void eval_bit_unset(const debug_adaptor<Backend>& arg, unsigned a)
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{
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using default_ops::eval_bit_unset;
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eval_bit_unset(arg.value(), a);
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arg.update_view();\
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}
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template <class Backend>
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inline void eval_bit_flip(const debug_adaptor<Backend>& arg, unsigned a)
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{
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using default_ops::eval_bit_flip;
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eval_bit_flip(arg.value(), a);
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arg.update_view();\
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}
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NON_MEMBER_OP3(gcd, "gcd");
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NON_MEMBER_OP3(lcm, "lcm");
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NON_MEMBER_OP4(powm, "powm");
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/*********************************************************************
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*
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* abs/fabs:
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*
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*********************************************************************/
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NON_MEMBER_OP2(abs, "abs");
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NON_MEMBER_OP2(fabs, "fabs");
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/*********************************************************************
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*
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* Floating point functions:
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*
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*********************************************************************/
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NON_MEMBER_OP2(trunc, "trunc");
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NON_MEMBER_OP2(round, "round");
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NON_MEMBER_OP2(exp, "exp");
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NON_MEMBER_OP2(log, "log");
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NON_MEMBER_OP2(log10, "log10");
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NON_MEMBER_OP2(sin, "sin");
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NON_MEMBER_OP2(cos, "cos");
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NON_MEMBER_OP2(tan, "tan");
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NON_MEMBER_OP2(asin, "asin");
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NON_MEMBER_OP2(acos, "acos");
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NON_MEMBER_OP2(atan, "atan");
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NON_MEMBER_OP2(sinh, "sinh");
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NON_MEMBER_OP2(cosh, "cosh");
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NON_MEMBER_OP2(tanh, "tanh");
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NON_MEMBER_OP3(fmod, "fmod");
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NON_MEMBER_OP3(pow, "pow");
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NON_MEMBER_OP3(atan2, "atan2");
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template <class Backend>
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std::size_t hash_value(const debug_adaptor<Backend>& val)
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{
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return hash_value(val.value());
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}
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} // namespace backends
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using backends::debug_adaptor;
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template<class Backend>
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struct number_category<backends::debug_adaptor<Backend> > : public number_category<Backend> {};
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#ifdef BOOST_MSVC
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#pragma warning(pop)
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#endif
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}} // namespaces
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namespace std{
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template <class Backend, boost::multiprecision::expression_template_option ExpressionTemplates>
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class numeric_limits<boost::multiprecision::number<boost::multiprecision::backends::debug_adaptor<Backend>, ExpressionTemplates> >
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: public std::numeric_limits<boost::multiprecision::number<Backend, ExpressionTemplates> >
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{
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typedef std::numeric_limits<boost::multiprecision::number<Backend, ExpressionTemplates> > base_type;
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typedef boost::multiprecision::number<boost::multiprecision::backends::debug_adaptor<Backend>, ExpressionTemplates> number_type;
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public:
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static number_type (min)() BOOST_NOEXCEPT { return (base_type::min)(); }
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static number_type (max)() BOOST_NOEXCEPT { return (base_type::max)(); }
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static number_type lowest() BOOST_NOEXCEPT { return -(max)(); }
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static number_type epsilon() BOOST_NOEXCEPT { return base_type::epsilon(); }
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static number_type round_error() BOOST_NOEXCEPT { return epsilon() / 2; }
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static number_type infinity() BOOST_NOEXCEPT { return base_type::infinity(); }
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static number_type quiet_NaN() BOOST_NOEXCEPT { return base_type::quiet_NaN(); }
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static number_type signaling_NaN() BOOST_NOEXCEPT { return base_type::signaling_NaN(); }
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static number_type denorm_min() BOOST_NOEXCEPT { return base_type::denorm_min(); }
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};
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} // namespace std
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namespace boost{ namespace math{
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namespace policies{
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template <class Backend, boost::multiprecision::expression_template_option ExpressionTemplates, class Policy>
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struct precision< boost::multiprecision::number<boost::multiprecision::debug_adaptor<Backend>, ExpressionTemplates>, Policy>
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: public precision<boost::multiprecision::number<Backend, ExpressionTemplates>, Policy>
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{};
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#undef NON_MEMBER_OP1
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#undef NON_MEMBER_OP2
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#undef NON_MEMBER_OP3
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#undef NON_MEMBER_OP4
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} // namespace policies
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}} // namespaces boost::math
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#endif
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