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// Copyright (c) 2020-2021, 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 _TOSA_NUMPY_UTILS_H
#define _TOSA_NUMPY_UTILS_H
#include <cassert>
#include <cctype>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <vector>
#include "half.hpp"
class NumpyUtilities
{
public:
enum NPError
{
NO_ERROR = 0,
FILE_NOT_FOUND,
FILE_IO_ERROR,
FILE_TYPE_MISMATCH,
HEADER_PARSE_ERROR,
BUFFER_SIZE_MISMATCH,
};
static NPError readFromNpyFile(const char* filename, const uint32_t elems, float* databuf);
static NPError readFromNpyFile(const char* filename, const uint32_t elems, half_float::half* databuf);
static NPError readFromNpyFile(const char* filename, const uint32_t elems, int32_t* databuf);
static NPError readFromNpyFile(const char* filename, const uint32_t elems, int64_t* databuf);
static NPError readFromNpyFile(const char* filename, const uint32_t elems, bool* databuf);
static NPError writeToNpyFile(const char* filename, const std::vector<int32_t>& shape, const bool* databuf);
static NPError writeToNpyFile(const char* filename, const uint32_t elems, const bool* databuf);
static NPError
writeToNpyFile(const char* filename, const std::vector<int32_t>& shape, const half_float::half* databuf);
static NPError writeToNpyFile(const char* filename, const std::vector<int32_t>& shape, const int32_t* databuf);
static NPError writeToNpyFile(const char* filename, const uint32_t elems, const int32_t* databuf);
static NPError writeToNpyFile(const char* filename, const std::vector<int32_t>& shape, const int64_t* databuf);
static NPError writeToNpyFile(const char* filename, const uint32_t elems, const int64_t* databuf);
static NPError writeToNpyFile(const char* filename, const std::vector<int32_t>& shape, const float* databuf);
static NPError writeToNpyFile(const char* filename, const uint32_t elems, const float* databuf);
private:
static NPError writeToNpyFileCommon(const char* filename,
const char* dtype_str,
const size_t elementsize,
const std::vector<int32_t>& shape,
const void* databuf,
bool bool_translate);
static NPError readFromNpyFileCommon(const char* filename,
const char* dtype_str,
const size_t elementsize,
const uint32_t elems,
void* databuf,
bool bool_translate);
static NPError checkNpyHeader(FILE* infile, const uint32_t elems, const char* dtype_str);
static NPError writeNpyHeader(FILE* outfile, const std::vector<int32_t>& shape, const char* dtype_str);
};
#endif // _TOSA_NUMPY_UTILS_H
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