36   int rows = m.rows();  in product()  local
41   MatrixType m1 = MatrixType::Random(rows, cols),  in product()
42              m2 = MatrixType::Random(rows, cols),  in product()
43              m3(rows, cols),  in product()
44              mzero = MatrixType::Zero(rows, cols);  in product()
46              identity = RowSquareMatrixType::Identity(rows, rows),  in product()
47              square = RowSquareMatrixType::Random(rows, rows),  in product()
48              res = RowSquareMatrixType::Random(rows, rows);  in product()
52   RowVectorType v1 = RowVectorType::Random(rows),  in product()
53              v2 = RowVectorType::Random(rows),  in product()
54              vzero = RowVectorType::Zero(rows);  in product()
60   int r = ei_random<int>(0, rows-1),  in product()
87   VERIFY_IS_APPROX(MatrixType::Identity(rows, cols)(r,c), static_cast<Scalar>(r==c));  in product()
89   if (rows!=cols)  in product()
94   if (NumTraits<Scalar>::HasFloatingPoint && std::min(rows,cols)>1)  in product()
103   if (NumTraits<Scalar>::HasFloatingPoint && std::min(rows,cols)>1)  in product()
115   for (int i=0; i<rows; ++i)  in product()
119   for (int i=0; i<rows; ++i)  in product()
127   if (NumTraits<Scalar>::HasFloatingPoint && std::min(rows,cols)>1)  in product()