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RTOpPack_ROpMaxIndexLessThanBound.hpp
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00042 
00043 #ifndef RTOPPACK_ROP_MAX_INDEX_LESS_THAN_BOUND_HPP
00044 #define RTOPPACK_ROP_MAX_INDEX_LESS_THAN_BOUND_HPP
00045 
00046 #include "RTOpPack_ROpMaxIndex.hpp"
00047 #include "Teuchos_StandardMemberCompositionMacros.hpp"
00048 
00049 
00050 namespace RTOpPack {
00051 
00052 
00054 template<class Scalar>
00055 class ROpMaxIndexLessThanBoundEleWiseReductionOp {
00056 public:
00058   ROpMaxIndexLessThanBoundEleWiseReductionOp(
00059     const Scalar &bound = ScalarTraits<Scalar>::zero()
00060     )
00061     :bound_(bound)
00062     {}
00064   void operator()(const index_type i, const Scalar &v0,
00065     ScalarIndex<Scalar> &reduct) const
00066     {
00067       if(
00068         v0 <  bound_
00069         &&
00070         (
00071           v0 > reduct.scalar
00072           ||
00073           ( v0 == reduct.scalar && i < reduct.index )
00074           )
00075         )
00076       {
00077         reduct = ScalarIndex<Scalar>(v0, i);
00078       }
00079     }
00080 private:
00081   Scalar bound_;
00082 };
00083 
00084 
00094 template<class Scalar>
00095 class ROpMaxIndexLessThanBound
00096   : public ROp_1_CoordVariantScalarReduction<
00097       Scalar,
00098       ScalarIndex<Scalar>,
00099       ROpMaxIndexLessThanBoundEleWiseReductionOp<Scalar>,
00100       ROpMaxIndexReductObjReductionOp<Scalar> >
00101 {
00102 public:
00104   ROpMaxIndexLessThanBound(
00105     const Scalar &bound_in = Teuchos::ScalarTraits<Scalar>::zero()
00106     )
00107     {
00108       this->setOpNameBase("ROpMaxIndexLessThanBound");
00109       bound(bound_in);
00110       this->initReductObjValue(
00111         ScalarIndex<Scalar>(-ScalarTraits<Scalar>::rmax(), -1));
00112     }
00114   void bound(const Scalar& bound_in)
00115     { 
00116       this->setEleWiseReduction(
00117         ROpMaxIndexLessThanBoundEleWiseReductionOp<Scalar>(bound_in)
00118         );
00119     }
00121   ScalarIndex<Scalar> operator()(const ReductTarget& reduct_obj ) const
00122     { return this->getRawVal(reduct_obj); }
00123 };
00124 
00125 
00126 } // namespace RTOpPack
00127 
00128 
00129 #endif // RTOPPACK_ROP_MAX_INDEX_LESS_THAN_BOUND_HPP
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