C++ Mathematical Expression Toolkit (ExprTk) release
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Public Types | Public Member Functions | List of all members
exprtk::rtl::vecops::sort< T > Class Template Reference

#include <exprtk.hpp>

Inheritance diagram for exprtk::rtl::vecops::sort< T >:
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Collaboration diagram for exprtk::rtl::vecops::sort< T >:
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Public Types

typedef exprtk::igeneric_function< T > igfun_t
 
typedef igfun_t::parameter_list_t parameter_list_t
 
typedef igfun_t::generic_type generic_type
 
typedef generic_type::string_view string_t
 
typedef generic_type::vector_view vector_t
 
- Public Types inherited from exprtk::igeneric_function< T >
enum  return_type { e_rtrn_scalar = 0 , e_rtrn_string = 1 , e_rtrn_overload = 2 }
 
typedef T type
 
typedef type_store< T > generic_type
 
typedef generic_type::parameter_list parameter_list_t
 

Public Member Functions

 sort ()
 
operator() (const std::size_t &ps_index, parameter_list_t parameters)
 
- Public Member Functions inherited from exprtk::igeneric_function< T >
 igeneric_function (const std::string &param_seq="", const return_type rtr_type=e_rtrn_scalar)
 
virtual ~igeneric_function ()
 
virtual T operator() (parameter_list_t)
 
virtual T operator() (std::string &, parameter_list_t)
 
virtual T operator() (const std::size_t &, std::string &, parameter_list_t)
 
- Public Member Functions inherited from exprtk::function_traits
 function_traits ()
 
bool & allow_zero_parameters ()
 
bool & has_side_effects ()
 
std::size_t & min_num_args ()
 
std::size_t & max_num_args ()
 

Additional Inherited Members

- Public Attributes inherited from exprtk::igeneric_function< T >
std::string parameter_sequence
 
return_type rtrn_type
 

Detailed Description

template<typename T>
class exprtk::rtl::vecops::sort< T >

Definition at line 44893 of file exprtk.hpp.

Member Typedef Documentation

◆ generic_type

template<typename T >
typedef igfun_t::generic_type exprtk::rtl::vecops::sort< T >::generic_type

Definition at line 44899 of file exprtk.hpp.

◆ igfun_t

template<typename T >
typedef exprtk::igeneric_function<T> exprtk::rtl::vecops::sort< T >::igfun_t

Definition at line 44897 of file exprtk.hpp.

◆ parameter_list_t

template<typename T >
typedef igfun_t::parameter_list_t exprtk::rtl::vecops::sort< T >::parameter_list_t

Definition at line 44898 of file exprtk.hpp.

◆ string_t

template<typename T >
typedef generic_type::string_view exprtk::rtl::vecops::sort< T >::string_t

Definition at line 44900 of file exprtk.hpp.

◆ vector_t

template<typename T >
typedef generic_type::vector_view exprtk::rtl::vecops::sort< T >::vector_t

Definition at line 44901 of file exprtk.hpp.

Constructor & Destructor Documentation

◆ sort()

template<typename T >
exprtk::rtl::vecops::sort< T >::sort ( )
inline

Definition at line 44905 of file exprtk.hpp.

44906 : exprtk::igeneric_function<T>("V|VTT|VS|VSTT")
44907 /*
44908 Overloads:
44909 0. V - vector
44910 1. VTT - vector, r0, r1
44911 2. VS - vector, string
44912 3. VSTT - vector, string, r0, r1
44913 */
44914 {}

Member Function Documentation

◆ operator()()

template<typename T >
T exprtk::rtl::vecops::sort< T >::operator() ( const std::size_t &  ps_index,
parameter_list_t  parameters 
)
inlinevirtual

Reimplemented from exprtk::igeneric_function< T >.

Definition at line 44916 of file exprtk.hpp.

44917 {
44918 vector_t vec(parameters[0]);
44919
44920 std::size_t r0 = 0;
44921 std::size_t r1 = vec.size() - 1;
44922
44923 if ((1 == ps_index) && !helper::load_vector_range<T>::process(parameters, r0, r1, 1, 2, 0))
44924 return T(0);
44925 if ((3 == ps_index) && !helper::load_vector_range<T>::process(parameters, r0, r1, 2, 3, 0))
44926 return T(0);
44927
44928 bool ascending = true;
44929
44930 if ((2 == ps_index) || (3 == ps_index))
44931 {
44932 if (exprtk::details::imatch(to_str(string_t(parameters[1])),"ascending"))
44933 ascending = true;
44934 else if (exprtk::details::imatch(to_str(string_t(parameters[1])),"descending"))
44935 ascending = false;
44936 else
44937 return T(0);
44938 }
44939
44940 if (ascending)
44941 std::sort(
44942 vec.begin() + r0,
44943 vec.begin() + r1 + 1,
44944 std::less<T>());
44945 else
44946 std::sort(
44947 vec.begin() + r0,
44948 vec.begin() + r1 + 1,
44949 std::greater<T>());
44950
44951 return T(1);
44952 }
generic_type::vector_view vector_t
Definition exprtk.hpp:44901
generic_type::string_view string_t
Definition exprtk.hpp:44900
bool imatch(const char_t c1, const char_t c2)
Definition exprtk.hpp:190
std::string to_str(const StringView &view)
Definition exprtk.hpp:4869
static bool process(parameter_list_t &parameters, std::size_t &r0, std::size_t &r1, const std::size_t &r0_prmidx, const std::size_t &r1_prmidx, const std::size_t vec_idx=0)
Definition exprtk.hpp:44231

References exprtk::type_store< T >::type_view< ViewType >::begin(), exprtk::details::imatch(), exprtk::type_store< T >::type_view< ViewType >::size(), and exprtk::to_str().

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The documentation for this class was generated from the following file: