1 #ifndef STAN_MATH_PRIM_SCAL_FUN_PROMOTE_SCALAR_HPP
2 #define STAN_MATH_PRIM_SCAL_FUN_PROMOTE_SCALAR_HPP
18 template <
typename T,
typename S>
65 template <
typename T,
typename S>
66 typename promote_scalar_type<T, S>::type
promote_scalar_type< T, S >::type promote_scalar(const S &x)
This is the top-level function to call to promote the scalar types of an input of type S to type T...