point_expression< T > Class Template Reference

Main class that encapsulate a constant number used in a point expression. More...

Detailed Description

template<typename T>
class point_expression< T >

Main class that encapsulate a constant number used in a point expression.

Definition at line 263 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

Public Member Functions
__device__ __host__	point_expression (T &d)
	constructor from a value
__device__ __host__ void	init () const
	This function must be called before value.
__device__ __host__ const T &	value (const int k) const
	Evaluate the expression.
__device__ __host__ T &	value (const int k)
	Evaluate the expression.

Static Public Attributes
static const unsigned int	nvals = 1
	this operation produce a vector as result of size dims

Private Attributes
T	d
	constant

Member Typedef Documentation

coord_type

template<typename T >

typedef T point_expression< T >::coord_type

Definition at line 279 of file Point_operators.hpp.

has_init

template<typename T >

typedef int point_expression< T >::has_init

indicate that init must be called before value

Definition at line 271 of file Point_operators.hpp.

is_expression

template<typename T >

typedef int point_expression< T >::is_expression

indicate that this class encapsulate an expression

Definition at line 274 of file Point_operators.hpp.

Constructor & Destructor Documentation

point_expression()

template<typename T >

__device__ __host__ point_expression< T >::point_expression ( T &  d )

inline

constructor from a value

Parameters

d

value

Definition at line 286 of file Point_operators.hpp.

Member Function Documentation

init()

template<typename T >

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

inline

This function must be called before value.

it calculate the scalar product before return the values

Definition at line 295 of file Point_operators.hpp.

value() [1/2]

template<typename T >

__device__ __host__ T & point_expression< T >::value ( const int  k )

inline

Evaluate the expression.

Parameters

k	coordinate to evaluate

Returns

It just return the velue set in the constructor

Definition at line 318 of file Point_operators.hpp.

value() [2/2]

template<typename T >

__device__ __host__ const T & point_expression< T >::value ( const int  k ) const

inline

Evaluate the expression.

Parameters

k	coordinate to evaluate

Returns

It just return the velue set in the constructor

Definition at line 306 of file Point_operators.hpp.

Field Documentation

d

template<typename T >

T point_expression< T >::d

private

constant

Definition at line 266 of file Point_operators.hpp.

nvals

template<typename T >

const unsigned int point_expression< T >::nvals = 1

static

this operation produce a vector as result of size dims

Definition at line 277 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