template<class MatT>
| Vector::VectorTem<double> Impala::Core::Matrix::GetDiagonal | ( | MatT * | m | ) | [inline] |
Definition at line 17 of file GetDiagonal.h.
References ILOG_ERROR, ILOG_VAR, MatE(), MatNrCol(), and MatNrRow().
Referenced by Impala::Core::Feature::MarkovStationaryFeature().
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 }
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