Stan Math Library  2.10.0
reverse mode automatic differentiation
modified_bessel_first_kind.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_FUN_MODIFIED_BESSEL_FIRST_KIND_HPP
2 #define STAN_MATH_PRIM_SCAL_FUN_MODIFIED_BESSEL_FIRST_KIND_HPP
3 
4 #include <boost/math/special_functions/bessel.hpp>
6 
7 namespace stan {
8  namespace math {
9 
37  template<typename T2>
38  inline T2
39  modified_bessel_first_kind(const int v, const T2 z) {
41  check_not_nan("modified_bessel_first_kind", "z", z);
42 
43  return boost::math::cyl_bessel_i(v, z);
44  }
45 
46  }
47 }
48 
49 #endif
bool check_not_nan(const char *function, const char *name, const T_y &y)
Return true if y is not NaN.
fvar< T > modified_bessel_first_kind(int v, const fvar< T > &z)

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