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C++ Mathematical Expression Library (ExprTk) http://www.partow.net/programming/exprtk/index.html
This commit is contained in:
Arash Partow
252
exprtk.hpp
252
exprtk.hpp
@ -34923,116 +34923,6 @@ namespace exprtk
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return true;
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}
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namespace rtl
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{
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namespace io
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{
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namespace details
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{
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template <typename T>
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inline void print_type(const std::string& fmt,
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const T v,
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exprtk::details::numeric::details::real_type_tag)
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{
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printf(fmt.c_str(),v);
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}
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template <typename T>
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struct print_impl
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{
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typedef typename igeneric_function<T>::generic_type generic_type;
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typedef typename igeneric_function<T>::parameter_list_t parameter_list_t;
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typedef typename generic_type::scalar_view scalar_t;
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typedef typename generic_type::vector_view vector_t;
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typedef typename generic_type::string_view string_t;
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static void process(const std::string& scalar_format, parameter_list_t parameters)
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{
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for (std::size_t i = 0; i < parameters.size(); ++i)
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{
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generic_type& gt = parameters[i];
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typename exprtk::details::numeric::details::number_type<T>::type num_type;
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switch (gt.type)
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{
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case generic_type::e_scalar : print_type(scalar_format,scalar_t(gt)(),num_type);
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break;
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case generic_type::e_vector : {
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vector_t vector(gt);
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for (std::size_t x = 0; x < vector.size(); ++x)
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{
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print_type(scalar_format,vector[x],num_type);
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if ((x + 1) < vector.size())
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printf(" ");
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}
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}
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break;
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case generic_type::e_string : printf("%s",to_str(string_t(gt)).c_str());
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break;
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default : continue;
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}
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}
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}
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};
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} // namespace exprtk::rtl::io::details
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template <typename T>
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struct print : public exprtk::igeneric_function<T>
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{
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typedef typename igeneric_function<T>::parameter_list_t parameter_list_t;
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using exprtk::igeneric_function<T>::operator();
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print(const std::string& scalar_format = "%10.5f")
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: scalar_format_(scalar_format)
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{
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exprtk::enable_zero_parameters(*this);
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}
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inline T operator()(parameter_list_t parameters)
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{
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details::print_impl<T>::process(scalar_format_,parameters);
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return T(0);
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}
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std::string scalar_format_;
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};
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template <typename T>
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struct println : public exprtk::igeneric_function<T>
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{
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typedef typename igeneric_function<T>::parameter_list_t parameter_list_t;
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using exprtk::igeneric_function<T>::operator();
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println(const std::string& scalar_format = "%10.5f")
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: scalar_format_(scalar_format)
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{
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exprtk::enable_zero_parameters(*this);
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}
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inline T operator()(parameter_list_t parameters)
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{
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details::print_impl<T>::process(scalar_format_,parameters);
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printf("\n");
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return T(0);
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}
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std::string scalar_format_;
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};
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} // namespace exprtk::rtl::io
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}
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}
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#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
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@ -35052,7 +34942,6 @@ namespace exprtk
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namespace exprtk
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{
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class timer
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{
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public:
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@ -35148,6 +35037,142 @@ namespace exprtk
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} // namespace exprtk
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#ifndef exprtk_disable_rtl_io
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namespace exprtk
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{
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namespace rtl { namespace io { namespace details
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{
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template <typename T>
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inline void print_type(const std::string& fmt,
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const T v,
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exprtk::details::numeric::details::real_type_tag)
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{
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printf(fmt.c_str(),v);
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}
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template <typename T>
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struct print_impl
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{
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typedef typename igeneric_function<T>::generic_type generic_type;
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typedef typename igeneric_function<T>::parameter_list_t parameter_list_t;
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typedef typename generic_type::scalar_view scalar_t;
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typedef typename generic_type::vector_view vector_t;
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typedef typename generic_type::string_view string_t;
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typedef typename exprtk::details::numeric::details::number_type<T>::type num_type;
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static void process(const std::string& scalar_format, parameter_list_t parameters)
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{
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for (std::size_t i = 0; i < parameters.size(); ++i)
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{
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generic_type& gt = parameters[i];
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switch (gt.type)
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{
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case generic_type::e_scalar : print(scalar_format,scalar_t(gt));
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break;
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case generic_type::e_vector : print(scalar_format,vector_t(gt));
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break;
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case generic_type::e_string : print(string_t(gt));
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break;
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default : continue;
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}
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}
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}
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static inline void print(const std::string& scalar_format, const scalar_t& s)
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{
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print_type(scalar_format,s(),num_type());
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}
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static inline void print(const std::string& scalar_format, const vector_t& v)
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{
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for (std::size_t i = 0; i < v.size(); ++i)
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{
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print_type(scalar_format,v[i],num_type());
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if ((i + 1) < v.size())
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printf(" ");
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}
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}
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static inline void print(const string_t& s)
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{
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printf("%s",to_str(s).c_str());
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}
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};
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} // namespace exprtk::rtl::io::details
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template <typename T>
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struct print : public exprtk::igeneric_function<T>
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{
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typedef typename igeneric_function<T>::parameter_list_t parameter_list_t;
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using exprtk::igeneric_function<T>::operator();
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print(const std::string& scalar_format = "%10.5f")
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: scalar_format_(scalar_format)
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{
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exprtk::enable_zero_parameters(*this);
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}
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inline T operator()(parameter_list_t parameters)
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{
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details::print_impl<T>::process(scalar_format_,parameters);
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return T(0);
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}
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std::string scalar_format_;
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};
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template <typename T>
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struct println : public exprtk::igeneric_function<T>
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{
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typedef typename igeneric_function<T>::parameter_list_t parameter_list_t;
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using exprtk::igeneric_function<T>::operator();
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println(const std::string& scalar_format = "%10.5f")
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: scalar_format_(scalar_format)
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{
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exprtk::enable_zero_parameters(*this);
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}
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inline T operator()(parameter_list_t parameters)
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{
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details::print_impl<T>::process(scalar_format_,parameters);
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printf("\n");
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return T(0);
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}
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std::string scalar_format_;
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};
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template <typename T>
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struct package
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{
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print <T> p;
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println<T> pl;
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bool register_package(exprtk::symbol_table<T>& symtab)
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{
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if (!symtab.add_function("print" ,p))
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return false;
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else if (!symtab.add_function("println" ,pl))
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return false;
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else
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return true;
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}
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};
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} // namespace exprtk::rtl::io
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} // namespace exprtk::rtl
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} // namespace exprtk
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#endif
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#ifndef exprtk_disable_rtl_io_file
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#include <fstream>
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namespace exprtk
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@ -35184,6 +35209,7 @@ namespace exprtk
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{
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file_name.clear();
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delete stream;
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return false;
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}
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else
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@ -35199,6 +35225,7 @@ namespace exprtk
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{
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file_name.clear();
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delete stream;
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return false;
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}
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else
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@ -35214,6 +35241,7 @@ namespace exprtk
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{
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file_name.clear();
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delete stream;
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return false;
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}
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else
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@ -35299,8 +35327,6 @@ namespace exprtk
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case e_rdwrt : return (!!std::getline(*reinterpret_cast<std::fstream* >(stream_ptr),s));
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default : return false;
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}
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return true;
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}
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bool eof()
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