to_arena.hpp

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#ifndef STAN_MATH_OPENCL_REV_TO_ARENA_HPP
#define STAN_MATH_OPENCL_REV_TO_ARENA_HPP
#ifdef STAN_OPENCL
 
#include <stan/math/opencl/rev/arena_type.hpp>
#include <stan/math/opencl/plain_type.hpp>
#include <stan/math/prim/meta.hpp>
 
namespace stan {
namespace math {
 
template <typename T, require_matrix_cl_t<T>* = nullptr>
arena_t<T> to_arena(const T& a) {
  arena_t<T> res(a.buffer(), a.rows(), a.cols(), a.view());
  for (cl::Event e : a.read_events()) {
    res.add_read_event(e);
  }
  for (cl::Event e : a.write_events()) {
    res.add_write_event(e);
  }
  return res;
}
 
}  // namespace math
}  // namespace stan
 
#endif
#endif