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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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 __MOCO_TENSOR_SLICE_ENUMERATOR_H__
#define __MOCO_TENSOR_SLICE_ENUMERATOR_H__
#include <loco/IR/TensorShape.h>
#include <vector>
namespace moco
{
using u32v_t = std::vector<uint32_t>;
class TensorSliceEnumerator
{
public:
TensorSliceEnumerator() = default;
public:
void shape(loco::TensorShape &s);
void begin(u32v_t &b) { _begin = b; }
void end(u32v_t &e) { _end = e; }
public:
void start(void);
bool valid(void);
void advance(void);
uint32_t cursor(uint32_t rank) const;
const u32v_t cursor(void) const { return _cursor; }
private:
void increment(uint32_t);
private:
loco::TensorShape _shape_in;
uint32_t _rank_in = 0;
u32v_t _cursor;
u32v_t _boundary;
u32v_t _begin;
u32v_t _end;
};
} // namespace moco
#endif // __MOCO_TENSOR_SLICE_ENUMERATOR_H__
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