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/*
* Copyright (c) 2017 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __ARM_COMPUTE_GRAPH_UTILS_H__
#define __ARM_COMPUTE_GRAPH_UTILS_H__
#include "arm_compute/core/PixelValue.h"
#include "arm_compute/graph/ITensorAccessor.h"
#include "arm_compute/graph/Types.h"
#include <random>
namespace arm_compute
{
namespace graph_utils
{
/** PPM writer class */
class PPMWriter : public graph::ITensorAccessor
{
public:
/** Constructor
*
* @param[in] name PPM file name
* @param[in] maximum Maximum elements to access
*/
PPMWriter(std::string name, unsigned int maximum = 1);
/** Allows instances to move constructed */
PPMWriter(PPMWriter &&) = default;
// Inherited methods overriden:
bool access_tensor(ITensor &tensor) override;
private:
const std::string _name;
unsigned int _iterator;
unsigned int _maximum;
};
/** Dummy accessor class */
class DummyAccessor final : public graph::ITensorAccessor
{
public:
/** Constructor
*
* @param[in] maximum Maximum elements to write
*/
DummyAccessor(unsigned int maximum = 1);
/** Allows instances to move constructed */
DummyAccessor(DummyAccessor &&) = default;
// Inherited methods overriden:
bool access_tensor(ITensor &tensor) override;
private:
unsigned int _iterator;
unsigned int _maximum;
};
/** Random accessor class */
class RandomAccessor final : public graph::ITensorAccessor
{
public:
/** Constructor
*
* @param[in] lower Lower bound value.
* @param[in] upper Upper bound value.
* @param[in] seed (Optional) Seed used to initialise the random number generator.
*/
RandomAccessor(PixelValue lower, PixelValue upper, const std::random_device::result_type seed = 0);
/** Allows instances to move constructed */
RandomAccessor(RandomAccessor &&) = default;
// Inherited methods overriden:
bool access_tensor(ITensor &tensor) override;
private:
template <typename T, typename D>
void fill(ITensor &tensor, D &&distribution);
PixelValue _lower;
PixelValue _upper;
std::random_device::result_type _seed;
};
/** Numpy Binary loader class*/
class NumPyBinLoader final : public graph::ITensorAccessor
{
public:
/** Default Constructor
*
* @param filename Binary file name
*/
NumPyBinLoader(std::string filename);
/** Allows instances to move constructed */
NumPyBinLoader(NumPyBinLoader &&) = default;
// Inherited methods overriden:
bool access_tensor(ITensor &tensor) override;
private:
const std::string _filename;
};
} // namespace graph_utils
} // namespace arm_compute
#endif /* __ARM_COMPUTE_GRAPH_UTILS_H__ */
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