1#ifndef STAN_MATH_PRIM_FUN_AS_VALUE_COLUMN_VECTOR_OR_SCALAR
2#define STAN_MATH_PRIM_FUN_AS_VALUE_COLUMN_VECTOR_OR_SCALAR
auto as_column_vector_or_scalar(T &&a)
as_column_vector_or_scalar of a kernel generator expression.
T value_of(const fvar< T > &v)
Return the value of the specified variable.
auto as_value_column_vector_or_scalar(T &&a)
Extract values from input argument and transform to a column vector.
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...