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// Copyright (c) 2022, ARM Limited.
//
// 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 GENERAL_UTILS_H_
#define GENERAL_UTILS_H_
#include "func_debug.h"
#include "numpy_utils.h"
namespace TosaReference
{
const uint32_t getElementCount(std::vector<int32_t>& shape)
{
uint32_t elements = 1;
for (size_t i = 0; i < shape.size(); i++)
{
elements *= shape[i];
}
return elements;
}
template <typename T>
std::vector<T> readFromNpyFile(const char* filename, std::vector<int32_t>& shape)
{
uint32_t elements = getElementCount(shape);
std::vector<T> data(elements, 0);
NumpyUtilities::NPError nperror = NumpyUtilities::readFromNpyFile(filename, elements, data.data());
switch (nperror)
{
case NumpyUtilities::NO_ERROR:
break;
case NumpyUtilities::FILE_NOT_FOUND:
FATAL_ERROR("readFromNpyFile: Cannot open file %s", filename);
case NumpyUtilities::FILE_IO_ERROR:
FATAL_ERROR("readFromNpyFile: IO error reading file: %s", filename);
case NumpyUtilities::FILE_TYPE_MISMATCH:
FATAL_ERROR("readFromNpyFile: Tensor type and Numpy file type mismatch for filename %s", filename);
case NumpyUtilities::HEADER_PARSE_ERROR:
FATAL_ERROR("Numpy header parsing error for file: %s", filename);
case NumpyUtilities::BUFFER_SIZE_MISMATCH:
FATAL_ERROR("Buffer size does not match numpy file size for filename %s", filename);
default:
FATAL_ERROR("Unknown error parsing Numpy file: %s", filename);
}
return data;
}
}; // namespace TosaReference
#endif
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