math/opencl_2value__type_8hpp_source.html

#ifndef STAN_MATH_OPENCL_VALUE_TYPE_HPP

#define STAN_MATH_OPENCL_VALUE_TYPE_HPP

#ifdef STAN_OPENCL


#include <stan/math/prim/meta.hpp>

#include <type_traits>


namespace stan {


template <typename T>

struct value_type<T, require_all_kernel_expressions_and_none_scalar_t<T>> {

  using type = typename std::decay_t<T>::Scalar;

};

}  // namespace stan

#endif

#endif

stan::require_all_kernel_expressions_and_none_scalar_t
require_all_t< is_kernel_expression_and_not_scalar< Types >... > require_all_kernel_expressions_and_none_scalar_t
Enables a template if all given types are non-scalar types that are a valid kernel generator expressi...
Definition is_kernel_expression.hpp:58

stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition unit_vector_constrain.hpp:15

meta.hpp

stan::value_type< T, require_all_kernel_expressions_and_none_scalar_t< T > >::type
typename std::decay_t< T >::Scalar type
Definition value_type.hpp:15

stan::value_type
Primary template class for metaprogram to compute the type of values stored in a container.
Definition value_type.hpp:18