WSJT-X/boost/libs/math/src/tr1/assoc_legendrel.cpp

20 lines
687 B
C++

// Copyright John Maddock 2008.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
# include <pch.hpp>
#ifndef BOOST_MATH_TR1_SOURCE
# define BOOST_MATH_TR1_SOURCE
#endif
#include <boost/math/tr1.hpp>
#include <boost/math/special_functions/legendre.hpp>
#include "c_policy.hpp"
extern "C" long double BOOST_MATH_TR1_DECL boost_assoc_legendrel BOOST_PREVENT_MACRO_SUBSTITUTION(unsigned l, unsigned m, long double x) BOOST_MATH_C99_THROW_SPEC
{
return (m&1 ? -1 : 1) * c_policies::legendre_p BOOST_PREVENT_MACRO_SUBSTITUTION(l, m, x);
}