12 template<typename MatrixType> void diagonal(const MatrixType& m)  in diagonal()  function
24   //check diagonal()  in diagonal()
25   VERIFY_IS_APPROX(m1.diagonal(), m1.transpose().diagonal());  in diagonal()
26   m2.diagonal() = 2 * m1.diagonal();  in diagonal()
27   m2.diagonal()[0] *= 3;  in diagonal()
36     // check sub/super diagonal  in diagonal()
39       VERIFY(m1.template diagonal<N1>().RowsAtCompileTime == m1.diagonal(N1).size());  in diagonal()
40       VERIFY(m1.template diagonal<N2>().RowsAtCompileTime == m1.diagonal(N2).size());  in diagonal()
43     m2.template diagonal<N1>() = 2 * m1.template diagonal<N1>();  in diagonal()
44     VERIFY_IS_APPROX(m2.template diagonal<N1>(), static_cast<Scalar>(2) * m1.diagonal(N1));  in diagonal()
45     m2.template diagonal<N1>()[0] *= 3;  in diagonal()
46 …VERIFY_IS_APPROX(m2.template diagonal<N1>()[0], static_cast<Scalar>(6) * m1.template diagonal<N1>(…  in diagonal()
49     m2.template diagonal<N2>() = 2 * m1.template diagonal<N2>();  in diagonal()
50     m2.template diagonal<N2>()[0] *= 3;  in diagonal()
51 …VERIFY_IS_APPROX(m2.template diagonal<N2>()[0], static_cast<Scalar>(6) * m1.template diagonal<N2>(…  in diagonal()
53     m2.diagonal(N1) = 2 * m1.diagonal(N1);  in diagonal()
54     VERIFY_IS_APPROX(m2.template diagonal<N1>(), static_cast<Scalar>(2) * m1.diagonal(N1));  in diagonal()
55     m2.diagonal(N1)[0] *= 3;  in diagonal()
56     VERIFY_IS_APPROX(m2.diagonal(N1)[0], static_cast<Scalar>(6) * m1.diagonal(N1)[0]);  in diagonal()
58     m2.diagonal(N2) = 2 * m1.diagonal(N2);  in diagonal()
59     VERIFY_IS_APPROX(m2.template diagonal<N2>(), static_cast<Scalar>(2) * m1.diagonal(N2));  in diagonal()
60     m2.diagonal(N2)[0] *= 3;  in diagonal()
61     VERIFY_IS_APPROX(m2.diagonal(N2)[0], static_cast<Scalar>(6) * m1.diagonal(N2)[0]);  in diagonal()
63     m2.diagonal(N2).x() = s1;  in diagonal()
64     VERIFY_IS_APPROX(m2.diagonal(N2).x(), s1);  in diagonal()
65     m2.diagonal(N2).coeffRef(0) = Scalar(2)*s1;  in diagonal()
66     VERIFY_IS_APPROX(m2.diagonal(N2).coeff(0), Scalar(2)*s1);  in diagonal()
69   VERIFY( m1.diagonal( cols).size()==0 );  in diagonal()
70   VERIFY( m1.diagonal(-rows).size()==0 );  in diagonal()
81     VERIFY_RAISES_ASSERT( m1 += m1.diagonal() );  in diagonal_assert()
82     VERIFY_RAISES_ASSERT( m1 -= m1.diagonal() );  in diagonal_assert()
83     VERIFY_RAISES_ASSERT( m1.array() *= m1.diagonal().array() );  in diagonal_assert()
84     VERIFY_RAISES_ASSERT( m1.array() /= m1.diagonal().array() );  in diagonal_assert()
87   VERIFY_RAISES_ASSERT( m1.diagonal(cols+1) );  in diagonal_assert()
88   VERIFY_RAISES_ASSERT( m1.diagonal(-(rows+1)) );  in diagonal_assert()
91 EIGEN_DECLARE_TEST(diagonal)  in EIGEN_DECLARE_TEST()  argument
94     CALL_SUBTEST_1( diagonal(Matrix<float, 1, 1>()) );  in EIGEN_DECLARE_TEST()
95     CALL_SUBTEST_1( diagonal(Matrix<float, 4, 9>()) );  in EIGEN_DECLARE_TEST()
96     CALL_SUBTEST_1( diagonal(Matrix<float, 7, 3>()) );  in EIGEN_DECLARE_TEST()
97     CALL_SUBTEST_2( diagonal(Matrix4d()) );  in EIGEN_DECLARE_TEST()
98 …CALL_SUBTEST_2( diagonal(MatrixXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<…  in EIGEN_DECLARE_TEST()
99 …CALL_SUBTEST_2( diagonal(MatrixXi(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<i…  in EIGEN_DECLARE_TEST()
100 …CALL_SUBTEST_2( diagonal(MatrixXcd(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<…  in EIGEN_DECLARE_TEST()
101 …CALL_SUBTEST_1( diagonal(MatrixXf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<i…  in EIGEN_DECLARE_TEST()
102     CALL_SUBTEST_1( diagonal(Matrix<float,Dynamic,4>(3, 4)) );  in EIGEN_DECLARE_TEST()