/**
 * Copyright (c) 2026 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

#include "ciou.h"
#include "opdev/make_op_executor.h"
#include "opdev/op_def.h"
#include "opdev/op_dfx.h"
#include "opdev/op_log.h"
#include "opdev/shape_utils.h"

using namespace op;

namespace l0op {
OP_TYPE_REGISTER(CIoU);

const std::tuple<aclTensor*, aclTensor*> CIoU(
    const aclTensor* bBoxes, const aclTensor* gtBoxes, bool trans, bool isCross, const char* mode, bool atanSubFlag,
    aclOpExecutor* executor)
{
    L0_DFX(CIoU, bBoxes, gtBoxes, trans, isCross, mode, atanSubFlag);
    op::Shape outShape;
    if (isCross == false) {
        outShape = {1, bBoxes->GetViewShape().GetDim(1)};
    } else {
        outShape = {gtBoxes->GetViewShape().GetDim(1), bBoxes->GetViewShape().GetDim(1)};
    }
    auto overlap = executor->AllocTensor(outShape, bBoxes->GetDataType(), op::Format::FORMAT_ND);
    auto atan_sub = executor->AllocTensor(outShape, bBoxes->GetDataType(), op::Format::FORMAT_ND);
    auto ret = ADD_TO_LAUNCHER_LIST_AICORE(
        CIoU, OP_INPUT(bBoxes, gtBoxes), OP_OUTPUT(overlap, atan_sub), OP_ATTR(trans, isCross, mode, atanSubFlag));
    if (ret != ACL_SUCCESS) {
        OP_LOGE(ACLNN_ERR_INNER_NULLPTR, "CIoU ADD_TO_LAUNCHER_LIST_AICORE failed.");
        return std::tuple<aclTensor*, aclTensor*>(nullptr, nullptr);
    }
    return std::tuple<aclTensor*, aclTensor*>(overlap, atan_sub);
}
} // namespace l0op