RTOpPack_TOpAbs.hpp

00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 // RTOp: Interfaces and Support Software for Vector Reduction Transformation
00005 //       Operations
00006 //                Copyright (2006) Sandia Corporation
00007 // 
00008 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00009 // license for use of this work by or on behalf of the U.S. Government.
00010 // 
00011 // This library is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Lesser General Public License as
00013 // published by the Free Software Foundation; either version 2.1 of the
00014 // License, or (at your option) any later version.
00015 //  
00016 // This library is distributed in the hope that it will be useful, but
00017 // WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00019 // Lesser General Public License for more details.
00020 //  
00021 // You should have received a copy of the GNU Lesser General Public
00022 // License along with this library; if not, write to the Free Software
00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00024 // USA
00025 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
00026 // 
00027 // ***********************************************************************
00028 // @HEADER
00029 
00030 #ifndef RTOPPACK_TOP_ABS_HPP
00031 #define RTOPPACK_TOP_ABS_HPP
00032 
00033 #include "RTOpPack_RTOpTHelpers.hpp"
00034 
00035 namespace RTOpPack {
00036 
00039 template<class Scalar>
00040 class TOpAbs : public RTOpT<Scalar> {
00041 public:
00043   TOpAbs() : RTOpT<Scalar>("TOpAbs") {}
00047   void apply_op(
00048     const int   num_vecs,       const ConstSubVectorView<Scalar>         sub_vecs[]
00049     ,const int  num_targ_vecs,  const SubVectorView<Scalar>  targ_sub_vecs[]
00050     ,ReductTarget *reduct_obj
00051     ) const
00052     {
00053       RTOP_APPLY_OP_1_1(num_vecs,sub_vecs,num_targ_vecs,targ_sub_vecs);
00054       for( Teuchos_Index i = 0; i < subDim; ++i, v0_val += v0_s, z0_val += z0_s ) {
00055         *z0_val = Teuchos::ScalarTraits<Scalar>::magnitude(*v0_val);
00056       }
00057     }
00059 }; // class TOpAbs
00060 
00061 } // namespace RTOpPack
00062 
00063 #endif // RTOPPACK_TOP_ABS_HPP

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