Collection of Concrete Vector Reduction/Transformation Operator Implementations Version of the Day
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RTOpPack_ROpGetElement.hpp
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4// RTOp: Interfaces and Support Software for Vector Reduction Transformation
5// Operations
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42
43#ifndef RTOPPACK_ROP_GET_ELEMENT_HPP
44#define RTOPPACK_ROP_GET_ELEMENT_HPP
45
46#include "RTOpPack_RTOpTHelpers.hpp"
47
48
49namespace RTOpPack {
50
51
53template<class Scalar>
55public:
57 ROpGetElementEleWiseReductionOp(const Ordinal &global_i_in = -1)
58 :global_i_(global_i_in)
59 {}
61 Ordinal global_i() const
62 {
63 return global_i_;
64 }
66 void operator()(const index_type i, const Scalar &v0, Scalar &reduct) const
67 {
68 if (i == global_i_) {
69 reduct = v0;
70 }
71 }
72private:
73 Ordinal global_i_;
74};
75
76
81template<class Scalar>
84 Scalar,
85 Scalar,
86 ROpGetElementEleWiseReductionOp<Scalar>
87 >
88{
89public:
91 ROpGetElement(const Ordinal &global_i)
92 {
93 this->setOpNameBase("ROpGetElement");
94 this->initialize(global_i);
95 this->initReductObjValue(ScalarTraits<Scalar>::zero());
96 }
98 void initialize(const Ordinal &global_i)
99 {
101 }
103 Scalar operator()(const ReductTarget& reduct_obj ) const
104 {
105 return this->getRawVal(reduct_obj);
106 }
107protected:
109 virtual Range1D range_impl() const
110 {
111 const Ordinal i = this->getEleWiseReduction().global_i();
112 return Range1D(i, i);
113 }
114
115};
116
117
118} // namespace RTOpPack
119
120
121#endif // RTOPPACK_ROP_GET_ELEMENT_HPP
ROpGetElementEleWiseReductionOp(const Ordinal &global_i_in=-1)
void operator()(const index_type i, const Scalar &v0, Scalar &reduct) const
Returns the value of the element at index global_i.
virtual Range1D range_impl() const
Scalar operator()(const ReductTarget &reduct_obj) const
ROpGetElement(const Ordinal &global_i)
void initialize(const Ordinal &global_i)
const ConcreteReductObj & getRawVal(const ReductTarget &reduct_obj) const
void setOpNameBase(const std::string &op_name_base)