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1 | // { dg-do run { target c++11 } } |
2 | // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__ -ffp-contract=off" } | |
3 | ||
99dee823 | 4 | // Copyright (C) 2019-2021 Free Software Foundation, Inc. |
f29a1ef2 ESR |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | // | |
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <initializer_list> | |
22 | #include <cmath> | |
23 | #if defined(__TEST_DEBUG) | |
24 | # include <iostream> | |
25 | # define VERIFY(A) \ | |
26 | if (!(A)) \ | |
27 | { \ | |
28 | std::cout << "line " << __LINE__ \ | |
29 | << " std::assoc_legendre(l, m, x) == 0: " << (A) \ | |
30 | << '\n'; \ | |
31 | } | |
32 | #else | |
33 | # include <testsuite_hooks.h> | |
34 | #endif | |
35 | ||
36 | template<typename _Tp> | |
37 | void | |
38 | test_m_gt_l() | |
39 | { | |
40 | bool test __attribute__((unused)) = true; | |
41 | for (auto l : {0u, 1u, 2u, 5u}) | |
42 | for (auto m : {l + 1u, l + 2u}) | |
43 | for (auto i : {-2, -1, 0, 1, 2}) | |
44 | { | |
45 | auto x = _Tp(i * 0.5L); | |
46 | VERIFY(std::assoc_legendre(l, m, x) == _Tp(0)); | |
47 | } | |
48 | } | |
49 | ||
50 | int | |
51 | main() | |
52 | { | |
53 | test_m_gt_l<float>(); | |
54 | test_m_gt_l<double>(); | |
55 | test_m_gt_l<long double>(); | |
56 | } |