00001 #ifndef Impala_Core_Matrix_GetDiagonal_h 00002 #define Impala_Core_Matrix_GetDiagonal_h 00003 00004 #include "Basis/ILog.h" 00005 #include "Core/Matrix/MatFunc.h" 00006 #include "Core/Vector/VectorTem.h" 00007 00008 namespace Impala 00009 { 00010 namespace Core 00011 { 00012 namespace Matrix 00013 { 00014 00015 template<class MatT> 00016 inline Vector::VectorTem<double> 00017 GetDiagonal(MatT* m) 00018 { 00019 ILOG_VAR(Impala.Core.Matrix.GetDiagonal); 00020 if (MatNrRow(m) != MatNrCol(m)) 00021 { 00022 ILOG_ERROR("only works for square matrices!"); 00023 return Vector::VectorTem<double>(0); 00024 } 00025 Vector::VectorTem<double> v(MatNrRow(m)); 00026 for (int i=0 ; i<MatNrRow(m) ; i++) 00027 v[i] = *MatE(m, i, i); 00028 return v; 00029 } 00030 00031 } // namespace Matrix 00032 } // namespace Core 00033 } // namespace Impala 00034 00035 #endif
1.5.1