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

#include <exprtk.hpp>

Inheritance diagram for exprtk::rtl::vecops::iota< T >:
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Collaboration diagram for exprtk::rtl::vecops::iota< 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::scalar_view scalar_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

 iota ()
 
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::iota< T >

Definition at line 43352 of file exprtk.hpp.

Member Typedef Documentation

◆ generic_type

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

Definition at line 43358 of file exprtk.hpp.

◆ igfun_t

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

Definition at line 43356 of file exprtk.hpp.

◆ parameter_list_t

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

Definition at line 43357 of file exprtk.hpp.

◆ scalar_t

template<typename T >
typedef generic_type::scalar_view exprtk::rtl::vecops::iota< T >::scalar_t

Definition at line 43359 of file exprtk.hpp.

◆ vector_t

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

Definition at line 43360 of file exprtk.hpp.

Constructor & Destructor Documentation

◆ iota()

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

Definition at line 43364 of file exprtk.hpp.

43365 : exprtk::igeneric_function<T>("VTT|VT|VTTTT|VTTT")
43366 /*
43367 Overloads:
43368 0. VTT - vector, SV, SS
43369 1. VT - vector, SV, SS (+1)
43370 2. VTTT - vector, r0, r1, SV, SS
43371 3. VTT - vector, r0, r1, SV, SS (+1)
43372
43373 Where:
43374 1. SV - Start value
43375 2. SS - Step size
43376 */
43377 {}

Member Function Documentation

◆ operator()()

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

Reimplemented from exprtk::igeneric_function< T >.

Definition at line 43379 of file exprtk.hpp.

43380 {
43381 vector_t vec(parameters[0]);
43382
43383 const T start_value = (ps_index <= 1) ?
43384 scalar_t(parameters[1]) :
43385 scalar_t(parameters[3]) ;
43386
43387 const T step_size = ((0 == ps_index) || (2 == ps_index)) ?
43388 scalar_t(parameters.back())() :
43389 T(1) ;
43390
43391 std::size_t r0 = 0;
43392 std::size_t r1 = vec.size() - 1;
43393
43394 if (
43395 ((ps_index == 2) || (ps_index == 3)) &&
43396 !helper::load_vector_range<T>::process(parameters, r0, r1, 1, 2, 0)
43397 )
43398 {
43399 return T(0);
43400 }
43401
43402 for (std::size_t i = r0; i <= r1; ++i)
43403 {
43404 vec[i] = start_value + ((i - r0) * step_size);
43405 }
43406
43407 return T(1);
43408 }
generic_type::scalar_view scalar_t
Definition exprtk.hpp:43359
generic_type::vector_view vector_t
Definition exprtk.hpp:43360
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 >::size().

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