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 167 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

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

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

Private Attributes
T	d
	constant

Constructor & Destructor Documentation

template<typename T >

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

inline

constructor from a value

Parameters

d

value

Definition at line 188 of file Point_operators.hpp.

Member Function Documentation

template<typename T >

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 197 of file Point_operators.hpp.

template<typename T >

T point_expression< T >::value ( const size_t  k ) const

inline

Evaluate the expression.

Parameters

k	coordinate to evaluate

Returns

It just return the velue set in the constructor

Definition at line 208 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