cusp::plus_value< T > Struct Template Reference

#include <functional.h>

Inheritance diagram for cusp::plus_value< T >:

Public Methods
_CCCL_HOST_DEVICE	plus_value (const T value=T(0))
	Construct with the given constant value.

Detailed description

template<typename T>
struct cusp::plus_value< T >

plus_value is a function object to add a constant value to a given element.

Parameters

T	is a model of Assignable, and if x is an object of type T, then x+c must be defined and must have a return type that is convertible to T.

Overview

plus_value is a function object. Specifically, it is an Adaptable Unary Function. If f(c) is an object of class plus_value<T>, and x is an object of class T, then f(x) returns x+c.

Example

#include <cusp/array1d.h>
#include <cusp/functional.h>
#include <cusp/print.h>
 
#include <thrust/transform.h>
 
int main()
{
   // create an array with 5 entries all set to 1
   cusp::constant_array<int> ones(5, 1);
 
   // allocate size of transformed output array
   cusp::array1d<int,cusp::host_memory> v(5, 0);
 
   // compute output vector as transform of ones
   thrust::transform(ones.begin(), ones.end(), v.begin(), cusp::plus_value<int>(2));
 
   // v = [3, 3, 3, 3, 3]
   cusp::print(v);
}

Definition at line 94 of file functional.h.

Constructor & Destructor Documentation

plus_value()

template<typename T >

_CCCL_HOST_DEVICE cusp::plus_value< T >::plus_value ( const T  value = T(0) )

inline

Construct with the given constant value.

Definition at line 98 of file functional.h.