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72 lines
2.3 KiB
72 lines
2.3 KiB
/**
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* Copyright 2020 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GE_COMMON_MATH_UTIL_H_
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#define GE_COMMON_MATH_UTIL_H_
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#include <securec.h>
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#include <algorithm>
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#include <cmath>
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#include "framework/common/debug/log.h"
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#include "framework/common/types.h"
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#include "framework/common/util.h"
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#include "mmpa/mmpa_api.h"
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namespace ge {
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/**
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* @ingroup domi_calibration
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* @brief Initializes an input array to a specified value
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* @param [in] n array initialization length
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* @param [in] alpha initialization value
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* @param [out] output array to be initialized
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* @return Status
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*/
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template <typename Dtype>
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Status NnSet(const int32_t n, const Dtype alpha, Dtype *output) {
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GE_CHECK_NOTNULL(output);
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if (alpha == 0) {
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if (sizeof(Dtype) * n < SECUREC_MEM_MAX_LEN) {
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errno_t err = memset_s(output, sizeof(Dtype) * n, 0, sizeof(Dtype) * n);
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GE_CHK_BOOL_RET_STATUS(err == EOK, PARAM_INVALID, "memset_s err");
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} else {
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uint64_t size = static_cast<uint64_t>(sizeof(Dtype) * n);
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uint64_t step = SECUREC_MEM_MAX_LEN - (SECUREC_MEM_MAX_LEN % sizeof(Dtype));
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uint64_t times = size / step;
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uint64_t remainder = size % step;
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uint64_t i = 0;
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while (i < times) {
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errno_t err = memset_s(output + i * (step / sizeof(Dtype)), step, 0, step);
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GE_CHK_BOOL_RET_STATUS(err == EOK, PARAM_INVALID, "memset_s err");
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i++;
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}
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if (remainder != 0) {
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errno_t err = memset_s(output + i * (step / sizeof(Dtype)), remainder, 0, remainder);
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GE_CHK_BOOL_RET_STATUS(err == EOK, PARAM_INVALID, "memset_s err");
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}
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}
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}
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for (int32_t i = 0; i < n; ++i) {
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output[i] = alpha;
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}
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return SUCCESS;
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}
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} // end namespace ge
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#endif // GE_COMMON_MATH_UTIL_H_
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