/**
 * Copyright (c) 2025-2026 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.
 */
/* Generated By CANNBot */

/*!
 * \file real_graph_infer.cpp
 * \brief Real operator graph infer resource (shape + dtype)
 */

#include "register/op_impl_registry.h"
#include "log/log.h"

using namespace ge;
namespace ops {
static constexpr int64_t INPUT_IDX = 0;
static constexpr int64_t OUTPUT_IDX = 0;

static ge::graphStatus RealInferShapeFunc(gert::InferShapeContext* context)
{
    const gert::Shape* inShape = context->GetInputShape(INPUT_IDX);
    if (inShape == nullptr) {
        return GRAPH_FAILED;
    }
    gert::Shape* outShape = context->GetOutputShape(OUTPUT_IDX);
    if (outShape == nullptr) {
        return GRAPH_FAILED;
    }
    *outShape = *inShape;
    return GRAPH_SUCCESS;
}

static ge::graphStatus RealInferDataTypeFunc(gert::InferDataTypeContext* context)
{
    OP_LOGD(context, "Begin to do RealInferDataTypeFunc");
    auto inputDtype = context->GetInputDataType(INPUT_IDX);

    ge::DataType outputDtype = ge::DT_FLOAT;
    switch (inputDtype) {
        case ge::DT_FLOAT:
            outputDtype = ge::DT_FLOAT;
            break;
        case ge::DT_FLOAT16:
            outputDtype = ge::DT_FLOAT16;
            break;
        case ge::DT_COMPLEX64:
            outputDtype = ge::DT_FLOAT;
            break;
        case ge::DT_COMPLEX32:
            outputDtype = ge::DT_FLOAT16;
            break;
        case ge::DT_COMPLEX128:
            outputDtype = ge::DT_DOUBLE;
            break;
        default:
            OP_LOGE(context, "Unsupported input dtype for Real: %d", static_cast<int>(inputDtype));
            return GRAPH_FAILED;
    }
    context->SetOutputDataType(OUTPUT_IDX, outputDtype);
    OP_LOGD(context, "End to do RealInferDataTypeFunc");
    return GRAPH_SUCCESS;
}

IMPL_OP(Real).InferShape(RealInferShapeFunc).InferDataType(RealInferDataTypeFunc);
} // namespace ops