| // { dg-do run { target c++11 } } |
| // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__ -ffp-contract=off" } |
| |
| // Copyright (C) 2019-2023 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| // |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| // |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <initializer_list> |
| #include <cmath> |
| #if defined(__TEST_DEBUG) |
| # include <iostream> |
| # define VERIFY(A) \ |
| if (!(A)) \ |
| { \ |
| std::cout << "line " << __LINE__ \ |
| << " std::sph_legendre(l, m, x) == 0: " << (A) \ |
| << '\n'; \ |
| } |
| #else |
| # include <testsuite_hooks.h> |
| #endif |
| |
| template<typename _Tp> |
| void |
| test_m_gt_l() |
| { |
| bool test __attribute__((unused)) = true; |
| for (auto l : {0u, 1u, 2u, 5u}) |
| for (auto m : {l + 1u, l + 2u}) |
| for (auto i : {-2, -1, 0, 1, 2}) |
| { |
| auto theta = std::acos(_Tp(i * 0.5L)); |
| VERIFY(std::sph_legendre(l, m, theta) == _Tp(0)); |
| } |
| } |
| |
| int |
| main() |
| { |
| test_m_gt_l<float>(); |
| test_m_gt_l<double>(); |
| test_m_gt_l<long double>(); |
| } |
