#include <migraph/gpu/LRN.hpp>
#include <migraph/operators.hpp>
#include <migraph/manage_ptr.hpp>
#include <migraph/gpu/miopen.hpp>
#include <utility>

namespace migraph {
inline namespace MIGRAPH_INLINE_NS {
namespace gpu {

shape miopen_LRN::compute_shape(const std::vector<shape>& inputs) const
{
    check_shapes{inputs, *this}.has(2).not_broadcasted();
    return inputs.at(1);
}

argument miopen_LRN::compute(context& ctx,
                                    const shape& output_shape,
                                    const std::vector<argument>& args) const
{
    float alpha = 1, beta = 0;
    auto x_desc = make_tensor(args[0].get_shape());
    auto y_desc = make_tensor(output_shape);
    miopenLRNForward(ctx.get_stream().get_miopen(),
                            ldesc.get(),
                            &alpha,
                            x_desc.get(),
                            args[0].implicit(),
                            &beta,
                            y_desc.get(),
                            args[1].implicit(),
                            false,
                            nullptr);

    return args[1];
}

} // namespace gpu
} // namespace MIGRAPH_INLINE_NS
} // namespace migraph