/**
 * 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.
 *
 * Generated By CANNBot
 */

/*!
 * \file inv_grad_def.cpp
 * \brief InvGrad operator definition (aligned with proto.h: x / grad / y)
 *
 * InvGrad(x, grad) = -grad * x * x   (element-wise reciprocal gradient)
 *   x    : forward output of Inv (i.e. 1 / original_x)
 *   grad : upstream gradient
 *   y    : gradient w.r.t. original input
 */
#include "register/op_def_registry.h"

namespace ops {
class InvGrad : public OpDef {
public:
    explicit InvGrad(const char* name) : OpDef(name)
    {
        this->Input("x")
            .ParamType(REQUIRED)
            .DataType({ge::DT_FLOAT, ge::DT_FLOAT16, ge::DT_BF16, ge::DT_INT32})
            .Format({ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND})
            .UnknownShapeFormat({ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND})
            .AutoContiguous();
        this->Input("grad")
            .ParamType(REQUIRED)
            .DataType({ge::DT_FLOAT, ge::DT_FLOAT16, ge::DT_BF16, ge::DT_INT32})
            .Format({ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND})
            .UnknownShapeFormat({ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND})
            .AutoContiguous();
        this->Output("y")
            .ParamType(REQUIRED)
            .DataType({ge::DT_FLOAT, ge::DT_FLOAT16, ge::DT_BF16, ge::DT_INT32})
            .Format({ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND})
            .UnknownShapeFormat({ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND, ge::FORMAT_ND})
            .AutoContiguous();

        OpAICoreConfig aiCoreConfig;
        aiCoreConfig.DynamicCompileStaticFlag(true)
            .DynamicFormatFlag(false)
            .DynamicRankSupportFlag(true)
            .DynamicShapeSupportFlag(true)
            .NeedCheckSupportFlag(false)
            .PrecisionReduceFlag(false)
            .ExtendCfgInfo("opFile.value", "inv_grad_apt");
        this->AICore().AddConfig("ascend950", aiCoreConfig);
    }
};
OP_ADD(InvGrad);
} // namespace ops