1#ifndef STAN_MATH_OPENCL_REV_OPERATOR_UNARY_PLUS_HPP
2#define STAN_MATH_OPENCL_REV_OPERATOR_UNARY_PLUS_HPP
18 require_var_vt<is_kernel_expression_and_not_scalar, T>* =
nullptr>
20 return std::forward<T>(M);
fvar< T > operator+(const fvar< T > &x1, const fvar< T > &x2)
Return the sum of the specified forward mode addends.
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...