Collection of Concrete Vector Reduction/Transformation Operator Implementations
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src
ops_lib
RTOpPack_ROpMinIndex.hpp
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// @HEADER
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// ***********************************************************************
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//
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// RTOp: Interfaces and Support Software for Vector Reduction Transformation
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// Operations
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// Copyright (2006) Sandia Corporation
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//
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// license for use of this work by or on behalf of the U.S. Government.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov)
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//
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// ***********************************************************************
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// @HEADER
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#ifndef RTOPPACK_ROP_MIN_INDEX_HPP
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#define RTOPPACK_ROP_MIN_INDEX_HPP
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#include "RTOpPack_RTOpTHelpers.hpp"
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namespace
RTOpPack {
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template
<
class
Scalar>
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class
ROpMinIndexEleWiseReductionOp
{
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public
:
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void
operator()
(
const
index_type
i
,
const
Scalar
&
v0
,
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ScalarIndex<Scalar>
&
reduct
)
const
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{
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if
(
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v0
<
reduct
.
scalar
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||
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(
v0
==
reduct
.
scalar
&&
i
<
reduct
.
index
)
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)
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{
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reduct
=
ScalarIndex<Scalar>
(
v0
,
i
);
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}
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}
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};
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template
<
class
Scalar>
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class
ROpMinIndexReductObjReductionOp
{
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public
:
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void
operator()
(
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const
ScalarIndex<Scalar>
&
in_reduct
,
ScalarIndex<Scalar>
&
inout_reduct
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)
const
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{
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if
(
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in_reduct
.
scalar
<
inout_reduct
.
scalar
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||
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(
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in_reduct
.
scalar
==
inout_reduct
.
scalar
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&&
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in_reduct
.
index
<
inout_reduct
.
index
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)
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)
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{
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inout_reduct
=
in_reduct
;
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}
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}
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};
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template
<
class
Scalar>
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class
ROpMinIndex
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:
public
ROp_1_CoordVariantScalarReduction
<
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Scalar,
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ScalarIndex<Scalar>,
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ROpMinIndexEleWiseReductionOp<Scalar>,
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ROpMinIndexReductObjReductionOp<Scalar> >
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{
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public
:
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ROpMinIndex
()
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{
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this->
setOpNameBase
(
"ROpMinIndex"
);
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this->
initReductObjValue
(
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ScalarIndex<Scalar>
(+
ScalarTraits<Scalar>::rmax
(), -1));
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}
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ScalarIndex<Scalar>
operator()
(
const
ReductTarget
&
reduct_obj
)
const
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{
return
this->
getRawVal
(reduct_obj); }
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};
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}
// namespace RTOpPack
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#endif
// RTOPPACK_ROP_MIN_INDEX_HPP
RTOpPack::ROpMinIndexEleWiseReductionOp
Definition
RTOpPack_ROpMinIndex.hpp:55
RTOpPack::ROpMinIndexEleWiseReductionOp::operator()
void operator()(const index_type i, const Scalar &v0, ScalarIndex< Scalar > &reduct) const
Definition
RTOpPack_ROpMinIndex.hpp:58
RTOpPack::ROpMinIndexReductObjReductionOp
Definition
RTOpPack_ROpMinIndex.hpp:75
RTOpPack::ROpMinIndexReductObjReductionOp::operator()
void operator()(const ScalarIndex< Scalar > &in_reduct, ScalarIndex< Scalar > &inout_reduct) const
Definition
RTOpPack_ROpMinIndex.hpp:78
RTOpPack::ROpMinIndex
Returns the minimum element and its index: result.scalar = x(k) and result.index = k such that x(k) <...
Definition
RTOpPack_ROpMinIndex.hpp:110
RTOpPack::ROpMinIndex::ROpMinIndex
ROpMinIndex()
Definition
RTOpPack_ROpMinIndex.hpp:113
RTOpPack::ROpMinIndex::operator()
ScalarIndex< Scalar > operator()(const ReductTarget &reduct_obj) const
Definition
RTOpPack_ROpMinIndex.hpp:120
RTOpPack::ROpScalarReductionWithOpBase< Scalar, ConcreteReductObj, ReductObjReduction >::getRawVal
const ConcreteReductObj & getRawVal(const ReductTarget &reduct_obj) const
RTOpPack::ROp_1_CoordVariantScalarReduction
RTOpPack::RTOpT< Scalar >::setOpNameBase
void setOpNameBase(const std::string &op_name_base)
RTOpPack::ReductTarget
RTOpPack::ScalarIndex
RTOpPack::ScalarIndex::index
Ordinal index
RTOpPack::ScalarIndex::scalar
Scalar scalar
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