| 10 | #include "main.h" |
| 11 | |
| 12 | template<typename MatrixType> void diagonal(const MatrixType& m) |
| 13 | { |
| 14 | typedef typename MatrixType::Index Index; |
| 15 | typedef typename MatrixType::Scalar Scalar; |
| 16 | |
| 17 | Index rows = m.rows(); |
| 18 | Index cols = m.cols(); |
| 19 | |
| 20 | MatrixType m1 = MatrixType::Random(rows, cols), |
| 21 | m2 = MatrixType::Random(rows, cols); |
| 22 | |
| 23 | Scalar s1 = internal::random<Scalar>(); |
| 24 | |
| 25 | //check diagonal() |
| 26 | VERIFY_IS_APPROX(m1.diagonal(), m1.transpose().diagonal()); |
| 27 | m2.diagonal() = 2 * m1.diagonal(); |
| 28 | m2.diagonal()[0] *= 3; |
| 29 | |
| 30 | if (rows>2) |
| 31 | { |
| 32 | enum { |
| 33 | N1 = MatrixType::RowsAtCompileTime>2 ? 2 : 0, |
| 34 | N2 = MatrixType::RowsAtCompileTime>1 ? -1 : 0 |
| 35 | }; |
| 36 | |
| 37 | // check sub/super diagonal |
| 38 | if(MatrixType::SizeAtCompileTime!=Dynamic) |
| 39 | { |
| 40 | VERIFY(m1.template diagonal<N1>().RowsAtCompileTime == m1.diagonal(N1).size()); |
| 41 | VERIFY(m1.template diagonal<N2>().RowsAtCompileTime == m1.diagonal(N2).size()); |
| 42 | } |
| 43 | |
| 44 | m2.template diagonal<N1>() = 2 * m1.template diagonal<N1>(); |
| 45 | VERIFY_IS_APPROX(m2.template diagonal<N1>(), static_cast<Scalar>(2) * m1.diagonal(N1)); |
| 46 | m2.template diagonal<N1>()[0] *= 3; |
| 47 | VERIFY_IS_APPROX(m2.template diagonal<N1>()[0], static_cast<Scalar>(6) * m1.template diagonal<N1>()[0]); |
| 48 | |
| 49 | |
| 50 | m2.template diagonal<N2>() = 2 * m1.template diagonal<N2>(); |
| 51 | m2.template diagonal<N2>()[0] *= 3; |
| 52 | VERIFY_IS_APPROX(m2.template diagonal<N2>()[0], static_cast<Scalar>(6) * m1.template diagonal<N2>()[0]); |
| 53 | |
| 54 | m2.diagonal(N1) = 2 * m1.diagonal(N1); |
| 55 | VERIFY_IS_APPROX(m2.template diagonal<N1>(), static_cast<Scalar>(2) * m1.diagonal(N1)); |
| 56 | m2.diagonal(N1)[0] *= 3; |
| 57 | VERIFY_IS_APPROX(m2.diagonal(N1)[0], static_cast<Scalar>(6) * m1.diagonal(N1)[0]); |
| 58 | |
| 59 | m2.diagonal(N2) = 2 * m1.diagonal(N2); |
| 60 | VERIFY_IS_APPROX(m2.template diagonal<N2>(), static_cast<Scalar>(2) * m1.diagonal(N2)); |
| 61 | m2.diagonal(N2)[0] *= 3; |
| 62 | VERIFY_IS_APPROX(m2.diagonal(N2)[0], static_cast<Scalar>(6) * m1.diagonal(N2)[0]); |
| 63 | |
| 64 | m2.diagonal(N2).x() = s1; |
| 65 | VERIFY_IS_APPROX(m2.diagonal(N2).x(), s1); |
| 66 | m2.diagonal(N2).coeffRef(0) = Scalar(2)*s1; |
| 67 | VERIFY_IS_APPROX(m2.diagonal(N2).coeff(0), Scalar(2)*s1); |
| 68 | } |
| 69 | } |