point_expression_op< orig, exp1, exp2, POINT_SUM > Class Template Reference

Sum operation. More...

Detailed Description

template<typename orig, typename exp1, typename exp2>
class point_expression_op< orig, exp1, exp2, POINT_SUM >

Sum operation.

Template Parameters

orig	original type
exp1	expression1
exp2	expression2

Definition at line 348 of file Point_operators.hpp.

#include <Point_operators.hpp>

Public Types
typedef first_or_second_pt< has_coordtype< exp1 >::value, exp1, exp2 >::coord_type	coord_type
	The type of the internal vector.
typedef orig	orig_type
	original type of the point expression
typedef int	is_expression
	indicate that this class encapsulate an expression
typedef int	has_init
	indicate that init must be called before value
typedef r_type_p< r_type_dim< exp1::nvals, exp2::nvals, POINT_SUM >::value, orig >::type	return_type
	return type of the expression

Public Member Functions
__device__ __host__	point_expression_op (const exp1 &o1, const exp2 &o2)
	Constructor from 2 point expressions.
__device__ __host__ void	init () const
	This function must be called before value.
template<typename r_type = typename best_conv<typename std::remove_reference<decltype(o1.value(0))>::type, typename std::remove_reference<decltype(o2.value(0))>::type>::type>
__device__ __host__ r_type	value (size_t k) const
	Evaluate the expression at coordinate k.
template<typename T , typename test = typename boost::disable_if_c< std::is_same<T,orig>::value || exp1::nvals != 1 || exp2::nvals != 1 >::type>
__device__ __host__	operator T () const
	conversion of the class to double or float or ...
template<typename r_type = typename best_conv<typename std::remove_reference<decltype(o1.value(0))>::type, typename std::remove_reference<decltype(o2.value(0))>::type>::type>
__device__ __host__ r_type	operator[] (size_t i)
	Get the component i.

Static Public Attributes
static const unsigned int	nvals = r_type_dim<exp1::nvals,exp2::nvals,POINT_SUM>::value
	this operation produce a vector as result of size dims

Private Attributes
const exp1	o1
	first expression
const exp2	o2
	second expression

Member Typedef Documentation

coord_type

template<typename orig , typename exp1 , typename exp2 >

typedef first_or_second_pt<has_coordtype<exp1>::value,exp1,exp2>::coord_type point_expression_op< orig, exp1, exp2, POINT_SUM >::coord_type

The type of the internal vector.

Definition at line 358 of file Point_operators.hpp.

has_init

template<typename orig , typename exp1 , typename exp2 >

typedef int point_expression_op< orig, exp1, exp2, POINT_SUM >::has_init

indicate that init must be called before value

Definition at line 367 of file Point_operators.hpp.

is_expression

template<typename orig , typename exp1 , typename exp2 >

typedef int point_expression_op< orig, exp1, exp2, POINT_SUM >::is_expression

indicate that this class encapsulate an expression

Definition at line 364 of file Point_operators.hpp.

orig_type

template<typename orig , typename exp1 , typename exp2 >

typedef orig point_expression_op< orig, exp1, exp2, POINT_SUM >::orig_type

original type of the point expression

Definition at line 361 of file Point_operators.hpp.

return_type

template<typename orig , typename exp1 , typename exp2 >

typedef r_type_p<r_type_dim<exp1::nvals,exp2::nvals,POINT_SUM>::value,orig>::type point_expression_op< orig, exp1, exp2, POINT_SUM >::return_type

return type of the expression

Definition at line 370 of file Point_operators.hpp.

Constructor & Destructor Documentation

point_expression_op()

template<typename orig , typename exp1 , typename exp2 >

__device__ __host__ point_expression_op< orig, exp1, exp2, POINT_SUM >::point_expression_op ( const exp1 &  o1, const exp2 &  o2  )

inline

Constructor from 2 point expressions.

Parameters

o1	expression1
o2	expression2

Definition at line 381 of file Point_operators.hpp.

Member Function Documentation

init()

template<typename orig , typename exp1 , typename exp2 >

__device__ __host__ void point_expression_op< orig, exp1, exp2, POINT_SUM >::init ( ) const

inline

This function must be called before value.

it calculate the scalar product before return the values

Definition at line 390 of file Point_operators.hpp.

operator T()

template<typename orig , typename exp1 , typename exp2 >

template<typename T , typename test = typename boost::disable_if_c< std::is_same<T,orig>::value || exp1::nvals != 1 || exp2::nvals != 1 >::type>

__device__ __host__ point_expression_op< orig, exp1, exp2, POINT_SUM >::operator T ( ) const

inline

conversion of the class to double or float or ...

Definition at line 415 of file Point_operators.hpp.

operator[]()

template<typename orig , typename exp1 , typename exp2 >

template<typename r_type = typename best_conv<typename std::remove_reference<decltype(o1.value(0))>::type, typename std::remove_reference<decltype(o2.value(0))>::type>::type>

__device__ __host__ r_type point_expression_op< orig, exp1, exp2, POINT_SUM >::operator[] ( size_t  i )

inline

Get the component i.

Parameters

i

component

Returns

the i-component

Definition at line 430 of file Point_operators.hpp.

value()

template<typename orig , typename exp1 , typename exp2 >

template<typename r_type = typename best_conv<typename std::remove_reference<decltype(o1.value(0))>::type, typename std::remove_reference<decltype(o2.value(0))>::type>::type>

__device__ __host__ r_type point_expression_op< orig, exp1, exp2, POINT_SUM >::value ( size_t  k ) const

inline

Evaluate the expression at coordinate k.

Parameters

k	coordinate

Returns

the value of the expression for the coordinate k

Definition at line 405 of file Point_operators.hpp.

Field Documentation

nvals

template<typename orig , typename exp1 , typename exp2 >

const unsigned int point_expression_op< orig, exp1, exp2, POINT_SUM >::nvals = r_type_dim<exp1::nvals,exp2::nvals,POINT_SUM>::value

static

this operation produce a vector as result of size dims

Definition at line 373 of file Point_operators.hpp.

o1

template<typename orig , typename exp1 , typename exp2 >

const exp1 point_expression_op< orig, exp1, exp2, POINT_SUM >::o1

private

first expression

Definition at line 351 of file Point_operators.hpp.

o2

template<typename orig , typename exp1 , typename exp2 >

const exp2 point_expression_op< orig, exp1, exp2, POINT_SUM >::o2

private

second expression

Definition at line 353 of file Point_operators.hpp.

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

• openfpm_data/src/Space/Shape/Point_operators.hpp