39     auto dlp = discrete_legendre<Real>(1, Real(0));  in test_dlp_norms()  local
40     BOOST_CHECK_CLOSE_FRACTION(dlp.norm_sq(0), 3, tol);  in test_dlp_norms()
41     BOOST_CHECK_CLOSE_FRACTION(dlp.norm_sq(1), 2, tol);  in test_dlp_norms()
42     dlp = discrete_legendre<Real>(2, Real(0));  in test_dlp_norms()
43     BOOST_CHECK_CLOSE_FRACTION(dlp.norm_sq(0), Real(5)/Real(2), tol);  in test_dlp_norms()
44     BOOST_CHECK_CLOSE_FRACTION(dlp.norm_sq(1), Real(5)/Real(4), tol);  in test_dlp_norms()
45     BOOST_CHECK_CLOSE_FRACTION(dlp.norm_sq(2), Real(3*3*7)/Real(pow(2,6)), 2*tol);  in test_dlp_norms()
46     dlp = discrete_legendre<Real>(200, Real(0));  in test_dlp_norms()
49         Real calc = dlp.norm_sq(r);  in test_dlp_norms()
64     auto dlp = discrete_legendre<Real>(n, x);  in test_dlp_evaluation()  local
65     Real q0 = dlp(x, 0);  in test_dlp_evaluation()
67     Real q1 = dlp(x, 1);  in test_dlp_evaluation()
69     Real q2 = dlp(x, 2);  in test_dlp_evaluation()
73     Real q3 = dlp(x, 3);  in test_dlp_evaluation()
80         dlp = discrete_legendre<Real>(n, x);  in test_dlp_evaluation()
85                 Real q1 = dlp(x, r);  in test_dlp_evaluation()
86                 Real q2 = -dlp(-x, r);  in test_dlp_evaluation()
91                 Real q1 = dlp(x, r);  in test_dlp_evaluation()
92                 Real q2 = dlp(-x, r);  in test_dlp_evaluation()
100                 Real term = dlp(y, r);  in test_dlp_evaluation()
104             Real l2_sq_expected = dlp.norm_sq(r);  in test_dlp_evaluation()
120             auto dlp = discrete_legendre<Real>(n, x);  in test_dlp_next()  local
123                 BOOST_CHECK_CLOSE(dlp.next(), dlp(x, k), tol);  in test_dlp_next()
126             dlp = discrete_legendre<Real>(n, x);  in test_dlp_next()
129                 BOOST_CHECK_CLOSE(dlp.next_prime(), dlp.prime(x, k), tol);  in test_dlp_next()
143     auto dlp = discrete_legendre<Real>(n, x);  in test_dlp_derivatives()  local
144     Real q0p = dlp.prime(x, 0);  in test_dlp_derivatives()
146     Real q1p = dlp.prime(x, 1);  in test_dlp_derivatives()
148     Real q2p = dlp.prime(x, 2);  in test_dlp_derivatives()
159     auto dlp = discrete_legendre<Real>(n, x);  in test_dlp_second_derivative()  local
160     Real q2pp = dlp.next_dbl_prime();  in test_dlp_second_derivative()