point_expression< T[dim]> Class Template Reference

Specialization for an array of dimension dim as expression. More...

Detailed Description

template<typename T, unsigned int dim>
class point_expression< T[dim]>

Specialization for an array of dimension dim as expression.

Template Parameters

T	type of the array
dim	dimensionality of the array

Definition at line 1840 of file Point_operators.hpp.

#include <Point_operators.hpp>

Public Types
typedef int	has_init
	indicate that init must be called before value
typedef int	is_expression
	indicate that this class encapsulate an expression
typedef T	coord_type
	The type of the internal vector.

Public Member Functions
	point_expression (T(&d)[dim])
	constructor from an array
template<typename orig , typename exp1 , typename exp2 , unsigned int op>
__device__ __host__ point_expression< T[dim]> &	operator= (const point_expression_op< orig, exp1, exp2, op > &p_exp)
	Operator= for point expression.
template<typename T_ >
__device__ __host__ point_expression< T[dim]> &	operator= (const point_expression< T_ > &p_exp)
	Operator= for point expression.
__device__ __host__ T &	operator[] (int n)
	Array operator.
__device__ __host__ const T &	operator[] (int n) const
	Array operator.
__device__ __host__ void	init () const
	This function must be called before value.
__device__ __host__ T	value (const size_t k) const
	Evaluate the expression at coordinate k.

Static Public Attributes
static const unsigned int	nvals = dim
	this operation produce a vector as result of size dims

Private Attributes
T(&	d )[dim]
	array of dimension dim

Member Typedef Documentation

coord_type

template<typename T , unsigned int dim>

typedef T point_expression< T[dim]>::coord_type

The type of the internal vector.

Definition at line 1857 of file Point_operators.hpp.

has_init

template<typename T , unsigned int dim>

typedef int point_expression< T[dim]>::has_init

indicate that init must be called before value

Definition at line 1848 of file Point_operators.hpp.

is_expression

template<typename T , unsigned int dim>

typedef int point_expression< T[dim]>::is_expression

indicate that this class encapsulate an expression

Definition at line 1851 of file Point_operators.hpp.

Constructor & Destructor Documentation

point_expression()

template<typename T , unsigned int dim>

point_expression< T[dim]>::point_expression ( T(&)  d[dim] )

inline

constructor from an array

Parameters

d	array of dimension dim

Definition at line 1864 of file Point_operators.hpp.

Member Function Documentation

init()

template<typename T , unsigned int dim>

__device__ __host__ void point_expression< T[dim]>::init ( ) const

inline

This function must be called before value.

it calculate the scalar product before return the values

Definition at line 1931 of file Point_operators.hpp.

operator=() [1/2]

template<typename T , unsigned int dim>

template<typename T_ >

__device__ __host__ point_expression< T[dim]> & point_expression< T[dim]>::operator= ( const point_expression< T_ > &  p_exp )

inline

Operator= for point expression.

Parameters

point

expression

Returns

a point expression

Definition at line 1900 of file Point_operators.hpp.

operator=() [2/2]

template<typename T , unsigned int dim>

template<typename orig , typename exp1 , typename exp2 , unsigned int op>

__device__ __host__ point_expression< T[dim]> & point_expression< T[dim]>::operator= ( const point_expression_op< orig, exp1, exp2, op > &  p_exp )

inline

Operator= for point expression.

Template Parameters

orig	origin type
exp1	expression 1
exp2	expression 2
op	operation

Parameters

point

expression

Returns

a point expression

Definition at line 1882 of file Point_operators.hpp.

operator[]() [1/2]

template<typename T , unsigned int dim>

__device__ __host__ T & point_expression< T[dim]>::operator[] ( int  n )

inline

Array operator.

Definition at line 1913 of file Point_operators.hpp.

operator[]() [2/2]

template<typename T , unsigned int dim>

__device__ __host__ const T & point_expression< T[dim]>::operator[] ( int  n ) const

inline

Array operator.

Definition at line 1921 of file Point_operators.hpp.

value()

template<typename T , unsigned int dim>

__device__ __host__ T point_expression< T[dim]>::value ( const size_t  k ) const

inline

Evaluate the expression at coordinate k.

It just return the value set in the constructor

Parameters

k	coordinate

Returns

the value

Definition at line 1944 of file Point_operators.hpp.

Field Documentation

d

template<typename T , unsigned int dim>

T(& point_expression< T[dim]>::d)[dim]

private

array of dimension dim

Definition at line 1843 of file Point_operators.hpp.

nvals

template<typename T , unsigned int dim>

const unsigned int point_expression< T[dim]>::nvals = dim

static

this operation produce a vector as result of size dims

Definition at line 1854 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