promote_scalar() [2/4]

template<typename PromotionScalar , typename UnPromotedType , require_same_t< PromotionScalar, scalar_type_t< UnPromotedType > > * = nullptr>

constexpr auto stan::math::promote_scalar ( UnPromotedType &&  x )

inlineconstexprnoexcept

No-op overload when promoting a type's scalar to the type it already has.

Template Parameters

PromotionScalar	scalar type of output.
UnPromotedType	input type. UnPromotedType's scalar_type must be equal to PromotionScalar

Parameters

x

input

Definition at line 40 of file promote_scalar.hpp.