00001 /* @HEADER@ */ 00002 // ************************************************************************ 00003 // 00004 // Playa: Programmable Linear Algebra 00005 // Copyright 2012 Sandia Corporation 00006 // 00007 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, 00008 // the U.S. Government retains certain rights in this software. 00009 // 00010 // Redistribution and use in source and binary forms, with or without 00011 // modification, are permitted provided that the following conditions are 00012 // met: 00013 // 00014 // 1. Redistributions of source code must retain the above copyright 00015 // notice, this list of conditions and the following disclaimer. 00016 // 00017 // 2. Redistributions in binary form must reproduce the above copyright 00018 // notice, this list of conditions and the following disclaimer in the 00019 // documentation and/or other materials provided with the distribution. 00020 // 00021 // 3. Neither the name of the Corporation nor the names of the 00022 // contributors may be used to endorse or promote products derived from 00023 // this software without specific prior written permission. 00024 // 00025 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY 00026 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00027 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00028 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE 00029 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00030 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00031 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00032 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00033 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00034 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00035 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00036 // 00037 // Questions? Contact Kevin Long (kevin.long@ttu.edu) 00038 // 00039 00040 /* @HEADER@ */ 00041 00042 #ifndef PLAYA_SIMPLE_ZERO_OP_DECL_HPP 00043 #define PLAYA_SIMPLE_ZERO_OP_DECL_HPP 00044 00045 00046 #include "PlayaDefs.hpp" 00047 #include "PlayaLinearOpWithSpacesDecl.hpp" 00048 #include "PlayaLinearOperatorDecl.hpp" 00049 00050 00051 namespace Playa 00052 { 00053 00054 /** */ 00055 template <class Scalar> 00056 class SimpleZeroOp : public LinearOpWithSpaces<Scalar> 00057 { 00058 public: 00059 /** */ 00060 SimpleZeroOp(const VectorSpace<Scalar>& domain, 00061 const VectorSpace<Scalar>& range); 00062 00063 /** */ 00064 void apply(Teuchos::ETransp transApplyType, 00065 const Vector<Scalar>& in, 00066 Vector<Scalar> out) const; 00067 00068 /** */ 00069 std::string description() const ; 00070 }; 00071 00072 00073 /** \relates SimpleZeroOp */ 00074 template <class Scalar> 00075 LinearOperator<Scalar> zeroOperator( 00076 const VectorSpace<Scalar>& domain, 00077 const VectorSpace<Scalar>& range); 00078 00079 00080 } 00081 00082 #endif