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#include <boost/math/special_functions/spherical_harmonic.hpp>
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extern "C" long double BOOST_MATH_TR1_DECL sph_legendrel BOOST_PREVENT_MACRO_SUBSTITUTION(unsigned n, unsigned m, long double x) BOOST_MATH_C99_THROW_SPEC
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extern "C" long double BOOST_MATH_TR1_DECL boost_sph_legendrel BOOST_PREVENT_MACRO_SUBSTITUTION(unsigned n, unsigned m, long double x) BOOST_MATH_C99_THROW_SPEC
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return (m & 1 ? -1 : 1) * c_policies::spherical_harmonic_r BOOST_PREVENT_MACRO_SUBSTITUTION(n, m, x, 0.0L);