buffer_types.hpp

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#ifndef STAN_MATH_OPENCL_BUFFER_TYPES_HPP
#define STAN_MATH_OPENCL_BUFFER_TYPES_HPP
#ifdef STAN_OPENCL
 
#include <stan/math/opencl/matrix_cl_view.hpp>
#include <stan/math/opencl/matrix_cl.hpp>
#include <CL/opencl.hpp>
 
namespace stan {
namespace math {
namespace opencl_kernels {
struct in_buffer {};
 
struct out_buffer {};
 
struct in_out_buffer {};
 
namespace internal {
 
template <typename T = cl::Buffer>
struct to_buffer {
  using type = T;
};
 
template <>
struct to_buffer<in_buffer> {
  using type = cl::Buffer;
};
 
template <>
struct to_buffer<out_buffer> {
  using type = cl::Buffer;
};
 
template <>
struct to_buffer<in_out_buffer> {
  using type = cl::Buffer;
};
 
template <typename T>
using to_const_buffer_t = const typename internal::to_buffer<T>::type;
}  // namespace internal
}  // namespace opencl_kernels
}  // namespace math
}  // namespace stan
 
#endif
#endif