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/*
* Copyright (c) 2018 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 _MIR_OPS_RESHAPE_OP_H_
#define _MIR_OPS_RESHAPE_OP_H_
#include "mir/Operation.h"
namespace mir
{
namespace ops
{
class ReshapeOp : public Operation
{
public:
ReshapeOp(Output *arg, const Shape &shape) : Operation(Type::reshape, {arg})
{
const Shape &input_shape = getInputShape(0);
auto output_shape = shape;
auto in_elements_num = input_shape.numElements();
int32_t out_elements_num = 1;
// Can't use num_elements due to -1 in input shape and Shape using unsigned ints for dimensions.
for (int32_t d = 0; d < output_shape.rank(); ++d)
{
auto dim = output_shape.dim(d);
if (dim != Shape::autoDim)
out_elements_num *= dim;
}
for (int32_t d = 0; d < output_shape.rank(); ++d)
{
auto &dim = output_shape.dim(d);
if (dim == Shape::autoDim)
dim = static_cast<int32_t>(in_elements_num / out_elements_num);
}
setOutputType(0, {arg->getElementType(), output_shape});
}
Operation *copyWithInputs(const std::vector<Output *> &inputs) override
{
return new ReshapeOp(inputs[0], getOutputShape(0));
}
};
} // namespace ops
} // namespace mir
#endif //_MIR_OPS_RESHAPE_OP_H_
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