35   Index cols = m.cols();  in product()  local
39   MatrixType m1 = MatrixType::Random(rows, cols),  in product()
40              m2 = MatrixType::Random(rows, cols),  in product()
41              m3(rows, cols);  in product()
47              square2 = ColSquareMatrixType::Random(cols, cols),  in product()
48              res2 = ColSquareMatrixType::Random(cols, cols);  in product()
50   ColVectorType vc2 = ColVectorType::Random(cols), vcres(cols);  in product()
56         c  = internal::random<Index>(0, cols-1),  in product()
57         c2 = internal::random<Index>(0, cols-1);  in product()
79   VERIFY_IS_APPROX(MatrixType::Identity(rows, cols)(r,c), static_cast<Scalar>(r==c));  in product()
81   if (rows!=cols)  in product()
86   if (!NumTraits<Scalar>::IsInteger && (std::min)(rows,cols)>1)  in product()
95   if (!NumTraits<Scalar>::IsInteger && (std::min)(rows,cols)>1)  in product()
107   if (!NumTraits<Scalar>::IsInteger && (std::min)(rows,cols)>1)  in product()
131   if (!NumTraits<Scalar>::IsInteger && (std::min)(rows,cols)>1)  in product()
144   VERIFY_IS_APPROX(m1.col(c) * m1.row(r), m1.block(0,c,rows,1) * m1.block(r,0,1,cols));  in product()
145 …VERIFY_IS_APPROX(m1.row(r).transpose() * m1.col(c).transpose(), m1.block(r,0,1,cols).transpose() *…  in product()
146   VERIFY_IS_APPROX(m1.block(0,c,rows,1) * m1.row(r), m1.block(0,c,rows,1) * m1.block(r,0,1,cols));  in product()
147   VERIFY_IS_APPROX(m1.col(c) * m1.block(r,0,1,cols), m1.block(0,c,rows,1) * m1.block(r,0,1,cols));  in product()
148   VERIFY_IS_APPROX(m1.leftCols(1) * m1.row(r), m1.block(0,0,rows,1) * m1.block(r,0,1,cols));  in product()
149   VERIFY_IS_APPROX(m1.col(c) * m1.topRows(1), m1.block(0,c,rows,1) * m1.block(0,0,1,cols));    in product()