Automatic Differentiation
 
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promote_var_matrix.hpp
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1#ifndef STAN_MATH_REV_META_PROMOTE_VAR_MATRIX
2#define STAN_MATH_REV_META_PROMOTE_VAR_MATRIX
3
4#include <stan/math/rev/meta/is_var.hpp>
5#include <stan/math/prim/meta.hpp>
6
7namespace stan {
8
21template <typename ReturnType, typename... Types>
22using promote_var_matrix_t = std::conditional_t<
23 is_any_var_matrix<ReturnType, Types...>::value,
24 stan::math::var_value<stan::math::promote_scalar_t<double, ReturnType>>,
25 stan::math::promote_scalar_t<stan::math::var_value<double>, ReturnType>>;
26} // namespace stan
27
28#endif
stan::math::var_value
Definition var_value_fwd_declare.hpp:8
stan::math::promote_scalar_t
typename promote_scalar_type< std::decay_t< T >, std::decay_t< S > >::type promote_scalar_t
Definition promote_scalar_type.hpp:117
stan::promote_var_matrix_t
std::conditional_t< is_any_var_matrix< ReturnType, Types... >::value, stan::math::var_value< stan::math::promote_scalar_t< double, ReturnType > >, stan::math::promote_scalar_t< stan::math::var_value< double >, ReturnType > > promote_var_matrix_t
Given an Eigen type and several inputs, determine if a matrix should be var<Matrix> or Matrix<var>.
Definition promote_var_matrix.hpp:25
stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition unit_vector_constrain.hpp:15
is_var.hpp
stan::is_any_var_matrix
Check if any types in a parameter pack are a var_value whose value_type is derived from Eigen::EigenB...
Definition is_var_matrix.hpp:151