point_expression_op< orig, exp1, exp2, POINT_NORM2 > Class Template Reference

Point square norm operation. More...

#include <Point_operators_functions.hpp>

Public Types
typedef orig	orig_type
typedef int	has_init
	indicate that init must be called before value
typedef int	is_expression
	indicate that this class encapsulate an expression
typedef orig::coord_type	return_type
	return type of the expression
typedef exp1::coord_type	coord_type

Public Member Functions
__device__ __host__	point_expression_op (const exp1 &o1)
	constructor from an expression
__device__ __host__ void	init () const
	This function must be called before value. More...
template<typename r_type = typename std::remove_reference<decltype(o1.value(0))>::type>
__device__ __host__ r_type	value (size_t k) const
	Evaluate the expression. More...
template<typename T >
__device__ __host__	operator T () const
	Cast operator.

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

Private Attributes
const exp1	o1
	expression
std::remove_const< typename orig::coord_type >::type	scal
	result of the expression

Detailed Description

template<typename orig, typename exp1, typename exp2>
class point_expression_op< orig, exp1, exp2, POINT_NORM2 >

Point square norm operation.

Template Parameters

orig	original type
exp1	expression1
exp2	expression2
op	operation

Definition at line 245 of file Point_operators_functions.hpp.

Member Function Documentation

init()

template<typename orig , typename exp1 , typename exp2 >

__device__ __host__ void point_expression_op< orig, exp1, exp2, POINT_NORM2 >::init ( ) const

inline

This function must be called before value.

it calculate the scalar product before return the values

Definition at line 281 of file Point_operators_functions.hpp.

value()

template<typename orig , typename exp1 , typename exp2 >

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

__device__ __host__ r_type point_expression_op< orig, exp1, exp2, POINT_NORM2 >::value ( size_t  k ) const

inline

Evaluate the expression.

Parameters

key	where to evaluate the expression

Definition at line 296 of file Point_operators_functions.hpp.

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

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