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