You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
graphengine/ge/common/math_util.h

72 lines
2.3 KiB

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