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 43189 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 43195 of file exprtk.hpp.

◆ igfun_t

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

Definition at line 43193 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 43194 of file exprtk.hpp.

◆ string_t

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

Definition at line 43196 of file exprtk.hpp.

◆ vector_t

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

Definition at line 43197 of file exprtk.hpp.

Constructor & Destructor Documentation

◆ sort()

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

Definition at line 43201 of file exprtk.hpp.

43202 : exprtk::igeneric_function<T>("V|VTT|VS|VSTT")
43203 /*
43204 Overloads:
43205 0. V - vector
43206 1. VTT - vector, r0, r1
43207 2. VS - vector, string
43208 3. VSTT - vector, string, r0, r1
43209 */
43210 {}

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 43212 of file exprtk.hpp.

43213 {
43214 vector_t vec(parameters[0]);
43215
43216 std::size_t r0 = 0;
43217 std::size_t r1 = vec.size() - 1;
43218
43219 if ((1 == ps_index) && !helper::load_vector_range<T>::process(parameters, r0, r1, 1, 2, 0))
43220 return T(0);
43221 if ((3 == ps_index) && !helper::load_vector_range<T>::process(parameters, r0, r1, 2, 3, 0))
43222 return T(0);
43223
43224 bool ascending = true;
43225
43226 if ((2 == ps_index) || (3 == ps_index))
43227 {
43228 if (exprtk::details::imatch(to_str(string_t(parameters[1])),"ascending"))
43229 ascending = true;
43230 else if (exprtk::details::imatch(to_str(string_t(parameters[1])),"descending"))
43231 ascending = false;
43232 else
43233 return T(0);
43234 }
43235
43236 if (ascending)
43237 std::sort(
43238 vec.begin() + r0,
43239 vec.begin() + r1 + 1,
43240 std::less<T>());
43241 else
43242 std::sort(
43243 vec.begin() + r0,
43244 vec.begin() + r1 + 1,
43245 std::greater<T>());
43246
43247 return T(1);
43248 }
generic_type::vector_view vector_t
Definition exprtk.hpp:43197
generic_type::string_view string_t
Definition exprtk.hpp:43196
bool imatch(const char_t c1, const char_t c2)
Definition exprtk.hpp:184
std::string to_str(const StringView &view)
Definition exprtk.hpp:4795
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:42640

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: