37   int cols = m.cols();  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()
50              square2 = ColSquareMatrixType::Random(cols, cols),  in product()
51              res2 = ColSquareMatrixType::Random(cols, cols);  in product()
55   ColVectorType vc2 = ColVectorType::Random(cols), vcres(cols);  in product()
61       c = ei_random<int>(0, cols-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()
127   if (NumTraits<Scalar>::HasFloatingPoint && std::min(rows,cols)>1)  in product()