diff options
Diffstat (limited to 'boost/math/special_functions/detail/bessel_y0.hpp')
| -rw-r--r-- | boost/math/special_functions/detail/bessel_y0.hpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/boost/math/special_functions/detail/bessel_y0.hpp b/boost/math/special_functions/detail/bessel_y0.hpp index e23f861bf0..289bda5f18 100644 --- a/boost/math/special_functions/detail/bessel_y0.hpp +++ b/boost/math/special_functions/detail/bessel_y0.hpp @@ -24,8 +24,38 @@ namespace boost { namespace math { namespace detail{ template <typename T, typename Policy> +T bessel_y0(T x, const Policy&); + +template <class T, class Policy> +struct bessel_y0_initializer +{ + struct init + { + init() + { + do_init(); + } + static void do_init() + { + bessel_y0(T(1), Policy()); + } + void force_instantiate()const{} + }; + static const init initializer; + static void force_instantiate() + { + initializer.force_instantiate(); + } +}; + +template <class T, class Policy> +const typename bessel_y0_initializer<T, Policy>::init bessel_y0_initializer<T, Policy>::initializer; + +template <typename T, typename Policy> T bessel_y0(T x, const Policy& pol) { + bessel_y0_initializer<T, Policy>::force_instantiate(); + static const T P1[] = { static_cast<T>(BOOST_MATH_BIG_CONSTANT(T, 64, 1.0723538782003176831e+11)), static_cast<T>(BOOST_MATH_BIG_CONSTANT(T, 64, -8.3716255451260504098e+09)), |