MoochoPack: Miscellaneous Utilities for MOOCHO Version of the Day
BLAS_Cpp_Types.hpp
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00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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00041 //
00042 // Types for BLAS_Cpp namespace
00043 //
00044 
00045 #ifndef BLAS_CPP_TYPES_H
00046 #define BLAS_CPP_TYPES_H
00047 
00048 #include "Moocho_ConfigDefs.hpp"
00049 
00050 namespace BLAS_Cpp {
00051 
00060 
00062 typedef size_t size_type;
00063 
00066 
00068 enum Side{
00069   left
00070   ,right
00071 };
00073 enum Transp{
00074   no_trans     
00075   ,trans       
00076   ,conj_trans  
00077 };
00079 enum Uplo {upper, lower};
00081 inline Uplo operator!(Uplo uplo)
00082 { return uplo == upper ? lower : upper; }
00084 enum Diag {unit, nonunit};
00085 
00087 
00090 
00092 inline Transp bool_to_trans(bool return_trans) {
00093   return return_trans ? trans : no_trans;
00094 }
00095 
00097 inline bool trans_to_bool(Transp _trans) {
00098   return ( _trans == trans );
00099 }
00100 
00102 inline Transp operator!(Transp _trans)  // does not work with conj_trans
00103 { return _trans == no_trans ? trans : no_trans; }
00104 
00106 inline Transp trans_not(Transp _trans)  // does not work with conj_trans
00107 { return _trans == no_trans ? trans : no_trans; }
00108 
00110 inline Transp trans_trans(Transp _trans1, Transp _trans2) // does not work with conj_trans
00111 { return _trans1 == _trans2 ? no_trans : trans; }
00112 
00114 inline const char*  trans_to_string(Transp _trans)
00115 {
00116   return _trans == no_trans ? "no_trans" : "trans";
00117 }
00118 
00120 inline size_type rows(size_type rows, size_type cols
00121   , BLAS_Cpp::Transp _trans)
00122 {
00123   return _trans == BLAS_Cpp::no_trans ? rows : cols;
00124 }
00125 
00127 inline size_type cols(size_type rows, size_type cols
00128   , BLAS_Cpp::Transp _trans)
00129 {
00130   return _trans == BLAS_Cpp::no_trans ? cols : rows;
00131 }
00132 
00134 
00136 
00137 } // end namespace BLAS_Cpp
00138 
00139 #endif // BLAS_CPP_TYPES_H
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