block.hpp

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#ifndef STAN_MATH_OPENCL_REV_BLOCK_HPP
#define STAN_MATH_OPENCL_REV_BLOCK_HPP
#ifdef STAN_OPENCL
 
#include <stan/math/opencl/kernel_generator.hpp>
#include <stan/math/opencl/prim/block.hpp>
#include <stan/math/prim/err.hpp>
#include <stan/math/rev/core.hpp>
 
namespace stan {
namespace math {
 
template <typename T,
          require_all_nonscalar_prim_or_rev_kernel_expression_t<T>* = nullptr,
          require_any_var_t<T>* = nullptr>
inline auto block(const T& m, size_t i, size_t j, size_t nrows, size_t ncols) {
  return m.block(i - 1, j - 1, nrows, ncols);
}
 
}  // namespace math
}  // namespace stan
 
#endif
#endif