BLAS_Cpp_Types.hpp

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00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
00005 //                  Copyright (2003) 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
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 //
00029 // Types for BLAS_Cpp namespace
00030 //
00031 
00032 #ifndef BLAS_CPP_TYPES_H
00033 #define BLAS_CPP_TYPES_H
00034 
00035 #include "Moocho_ConfigDefs.hpp"
00036 
00037 namespace BLAS_Cpp {
00038 
00047 
00049 typedef size_t size_type;
00050 
00053 
00055 enum Side{
00056   left
00057   ,right
00058 };
00060 enum Transp{
00061   no_trans     
00062   ,trans       
00063   ,conj_trans  
00064 };
00066 enum Uplo {upper, lower};
00068 inline Uplo operator!(Uplo uplo)
00069 { return uplo == upper ? lower : upper; }
00071 enum Diag {unit, nonunit};
00072 
00074 
00077 
00079 inline Transp bool_to_trans(bool return_trans) {
00080   return return_trans ? trans : no_trans;
00081 }
00082 
00084 inline bool trans_to_bool(Transp _trans) {
00085   return ( _trans == trans );
00086 }
00087 
00089 inline Transp operator!(Transp _trans)  // does not work with conj_trans
00090 { return _trans == no_trans ? trans : no_trans; }
00091 
00093 inline Transp trans_not(Transp _trans)  // does not work with conj_trans
00094 { return _trans == no_trans ? trans : no_trans; }
00095 
00097 inline Transp trans_trans(Transp _trans1, Transp _trans2) // does not work with conj_trans
00098 { return _trans1 == _trans2 ? no_trans : trans; }
00099 
00101 inline const char*  trans_to_string(Transp _trans)
00102 {
00103   return _trans == no_trans ? "no_trans" : "trans";
00104 }
00105 
00107 inline size_type rows(size_type rows, size_type cols
00108   , BLAS_Cpp::Transp _trans)
00109 {
00110   return _trans == BLAS_Cpp::no_trans ? rows : cols;
00111 }
00112 
00114 inline size_type cols(size_type rows, size_type cols
00115   , BLAS_Cpp::Transp _trans)
00116 {
00117   return _trans == BLAS_Cpp::no_trans ? cols : rows;
00118 }
00119 
00121 
00123 
00124 } // end namespace BLAS_Cpp
00125 
00126 #endif // BLAS_CPP_TYPES_H

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