FTensor::One< T > Class Template Reference

Stateless vector whose components are all equal to one. More...

#include "src/ftensor/src/FTensor/One.hpp"

Public Member Functions
constexpr T	operator() (const int) const
template<char i, int Dim>
Tensor1_Expr< One< T >, T, Dim, i >	operator() (const Index< i, Dim > &) const

Detailed Description

template<class T = int>
class FTensor::One< T >

Stateless vector whose components are all equal to one.

Contracting this expression with a Tensor1 sums its components:

Index<'i', 3> i;
One<> t_one;
const auto sum = t_v(i) * t_one(i);

Template Parameters

T	Component type

Definition at line 22 of file One.hpp.

Member Function Documentation

operator()() [1/2]

template<class T = int>

template<char i, int Dim>

Tensor1_Expr< One< T >, T, Dim, i > FTensor::One< T >::operator() ( const Index< i, Dim > &  ) const

inline

Definition at line 28 of file One.hpp.

                                          {
    return Tensor1_Expr<One<T>, T, Dim, i>(*this);
  }

operator()() [2/2]

template<class T = int>

constexpr T FTensor::One< T >::operator() ( const int  ) const

inlineconstexpr

Definition at line 24 of file One.hpp.

{ return T(1); }

---

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

• src/ftensor/src/FTensor/One.hpp