docs: public static void multAddTransA_reorder(DMatrix1Row A , DMatrixD1 B , DMatrixD1 C )
      {
          if( C.numCols != 1 ) {
              throw new MatrixDimensionException("C is not a column vector");
          } else if( C.numRows != A.numCols ) {
              throw new MatrixDimensionException("C is not the expected length");
          }
          if( B.numRows == 1 ) {
              if( A.numRows != B.numCols ) {
                  throw new MatrixDimensionException("A and B are not compatible");
              }
          } else if( B.numCols == 1 ) {
              if( A.numRows != B.numRows ) {
                  throw new MatrixDimensionException("A and B are not compatible");
              }
          } else {
              throw new MatrixDimensionException("B is not a vector");
          }
  
          C.reshape(A.numCols,1);
  
          int indexA = 0;
          for( int j = 0; j < A.numRows; j++ ) {
              double B_val = B.get(j);
              for( int i = 0; i < A.numCols; i++ ) {
                  C.plus( i , A.get(indexA++) * B_val );
              }
          }
      }