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

- Static Public Member Functions inherited from exprtk::igeneric_function< T >
static std::string generate_prefix_args (const std::string &prefix_args, std::size_t start=0, std::size_t end=10)
 
static std::string generate_suffix_args (const std::string &suffix_args, std::size_t start=0, std::size_t end=10)
 
- 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 45548 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 45554 of file exprtk.hpp.

◆ igfun_t

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

Definition at line 45552 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 45553 of file exprtk.hpp.

◆ scalar_t

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

Definition at line 45555 of file exprtk.hpp.

◆ vector_t

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

Definition at line 45556 of file exprtk.hpp.

Constructor & Destructor Documentation

◆ iota()

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

Definition at line 45560 of file exprtk.hpp.

45561 : exprtk::igeneric_function<T>("VTT|VT|VTTTT|VTTT")
45562 /*
45563 Overloads:
45564 0. VTT - vector, SV, SS
45565 1. VT - vector, SV, SS (+1)
45566 2. VTTT - vector, r0, r1, SV, SS
45567 3. VTT - vector, r0, r1, SV, SS (+1)
45568
45569 Where:
45570 1. SV - Start value
45571 2. SS - Step size
45572 */
45573 {}

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 45575 of file exprtk.hpp.

45576 {
45577 vector_t vec(parameters[0]);
45578
45579 const T start_value = (ps_index <= 1) ?
45580 scalar_t(parameters[1]) :
45581 scalar_t(parameters[3]) ;
45582
45583 const T step_size = ((0 == ps_index) || (2 == ps_index)) ?
45584 scalar_t(parameters.back())() :
45585 T(1) ;
45586
45587 std::size_t r0 = 0;
45588 std::size_t r1 = vec.size() - 1;
45589
45590 if (
45591 ((ps_index == 2) || (ps_index == 3)) &&
45592 !helper::load_vector_range<T>::process(parameters, r0, r1, 1, 2, 0)
45593 )
45594 {
45595 return T(0);
45596 }
45597
45598 for (std::size_t i = r0; i <= r1; ++i)
45599 {
45600 vec[i] = start_value + ((i - r0) * step_size);
45601 }
45602
45603 return T(1);
45604 }
generic_type::scalar_view scalar_t
Definition exprtk.hpp:45555
generic_type::vector_view vector_t
Definition exprtk.hpp:45556
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:44724

References exprtk::type_store< T >::type_view< ViewType >::size().

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