Kokkos Node API and Local Linear Algebra Kernels Version of the Day
Tsqr_ApplyType.hpp
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00002 // ************************************************************************
00003 // 
00004 //          Kokkos: Node API and Parallel Node Kernels
00005 //              Copyright (2009) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
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00018 // Lesser General Public License for more details.
00019 //  
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00028 
00032 #ifndef __TSQR_TsqrApplyType_hpp
00033 #define __TSQR_TsqrApplyType_hpp
00034 
00035 #include <Tsqr_ConfigDefs.hpp>
00036 #include <string>
00037 
00038 
00039 namespace TSQR {
00040 
00056   class ApplyType {
00057   public:
00062     ApplyType (const std::string& op);
00063 
00074     bool transposed () const { return type_ != NoTranspose_; }
00075 
00077     ApplyType (const ApplyType& rhs);
00078 
00080     ApplyType& operator= (const ApplyType& rhs);
00081 
00083     bool operator== (const ApplyType& rhs) const {
00084       return type_ == rhs.type_;
00085     }
00086 
00088     bool operator!= (const ApplyType& rhs) const {
00089       return !(type_ == rhs.type_);
00090     }
00091 
00093     static const ApplyType NoTranspose;
00094 
00096     static const ApplyType Transpose;
00097 
00099     static const ApplyType ConjugateTranspose;
00100 
00109     const std::string& toString () const { return lapackString_; }
00110 
00111   private:
00115     enum ApplyType_ { NoTranspose_, Transpose_, ConjugateTranspose_ };
00116 
00118     ApplyType_ type_;
00119 
00122     static std::string 
00123     enumToLapackString (const ApplyType::ApplyType_ theType);
00124 
00126     bool 
00127     decide_transposed (const std::string& op) const;
00128 
00133     ApplyType_
00134     decide_apply_type (const std::string& op) const;
00135 
00142     std::string lapackString_;
00143   };
00144 
00145 } // namespace TSQR
00146 
00147 #endif // __TSQR_TsqrApplyType_hpp
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