/**
* Copyright (c) 2025 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.
*/

/*!
 * \file lgamma.h
 * \brief
 */

#if !defined(__ASCENDC_INCLUDE_INTERNAL_HEADERS__)
#define __ASCENDC_INCLUDE_INTERNAL_HEADERS__
#define __UNDEF_ASCENDC_INCLUDE_INTERNAL_HEADERS_LGAMMA_H__
#endif

#ifndef LIB_MATH_LGAMMA_H
#define LIB_MATH_LGAMMA_H
#include "kernel_tensor.h"
#if defined(__NPU_ARCH__) && (__NPU_ARCH__ == 3510 || __NPU_ARCH__ == 5102)
#include "../../../impl/adv_api/detail/math/lgamma/lgamma_3510_impl.h"
#else
#include "../../../impl/adv_api/detail/math/lgamma/lgamma_common_impl.h"
#endif
#if defined(__NPU_ARCH__) && (__NPU_ARCH__ == 2201 || __NPU_ARCH__ == 2002 || __NPU_ARCH__ == 3510 || __NPU_ARCH__ == 5102)

namespace AscendC {
#pragma begin_pipe(V)
/*
 * @brief This function Computes the natural logarithm of the absolute value of the gamma function on input (e.g.
 * lgamma(1) is 0)
 * @ingroup Lgamma
 * @param [in] srcTensor, input LocalTensor
 * @param [in] sharedTmpBuffer, input local temporary Tensor
 * @param [in] calCount, amount of data to be calculated
 * @param [out] dstTensor, output LocalTensor
 */
template <typename T, bool isReuseSource = false>
__aicore__ inline void Lgamma(const LocalTensor<T>& dstTensor, const LocalTensor<T>& srcTensor,
    const LocalTensor<uint8_t>& sharedTmpBuffer, const uint32_t calCount)
{
    // Only for AI Vector Core.
    if ASCEND_IS_AIC {
        return;
    }
    LgammaImpl<T, isReuseSource>(dstTensor, srcTensor, sharedTmpBuffer, calCount);
}

/*
 * @brief This function Computes the natural logarithm of the absolute value of the gamma function on input (e.g.
 * lgamma(1) is 0)
 * @ingroup Lgamma
 * @param [in] srcTensor, input LocalTensor
 * @param [in] calCount, amount of data to be calculated
 * @param [out] dstTensor, output LocalTensor
 */
template <typename T, bool isReuseSource = false>
__aicore__ inline void Lgamma(const LocalTensor<T>& dstTensor, const LocalTensor<T>& srcTensor, const uint32_t calCount)
{
    // Only for AI Vector Core.
    if ASCEND_IS_AIC {
        return;
    }
    LocalTensor<uint8_t> tmp;
    const bool ret = PopStackBuffer<uint8_t, TPosition::LCM>(tmp);
    ASCENDC_ASSERT((ret), { KERNEL_LOG(KERNEL_ERROR, "PopStackBuffer Error!"); });
    LgammaImpl<T, isReuseSource>(dstTensor, srcTensor, tmp, calCount);
}
#pragma end_pipe
}  // namespace AscendC
#endif
#endif  // LIB_MATH_LGAMMA_INTERFACE_H

#if defined(__UNDEF_ASCENDC_INCLUDE_INTERNAL_HEADERS_LGAMMA_H__)
#undef __ASCENDC_INCLUDE_INTERNAL_HEADERS__
#undef __UNDEF_ASCENDC_INCLUDE_INTERNAL_HEADERS_LGAMMA_H__
#endif