64 lines
2.4 KiB
Objective-C
64 lines
2.4 KiB
Objective-C
// Copyright 2018 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at:
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "tensorflow/lite/experimental/objc/apis/TFLInterpreter.h"
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@class TFLTensor;
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NS_ASSUME_NONNULL_BEGIN
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@interface TFLInterpreter (Internal)
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/**
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* Copies the given data into the input tensor at the given index. This is allowed only before the
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* interpreter is invoked.
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*
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* @param data The data to set. The byte size of the data must match what's required by the input
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* tensor at the given index.
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* @param index An input tensor index.
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* @param error An optional error parameter populated when there is an error in setting the data.
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*
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* @return Whether the data was copied into the input tensor at the given index successfully.
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* Returns NO if an error occurred.
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*/
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- (BOOL)copyData:(NSData *)data toInputTensorAtIndex:(NSUInteger)index error:(NSError **)error;
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/**
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* Retrieves a copy of the data from the given tensor. For an output tensor, the interpreter
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* invocation has to complete before the data can be retrieved.
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*
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* @param tensor A tensor.
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* @param error An optional error parameter populated when there is an error in getting the data.
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*
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* @return The data of the given tensor. `nil` if there is an error or data is not available.
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*/
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- (nullable NSData *)dataFromTensor:(TFLTensor *)tensor error:(NSError **)error;
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/**
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* Retrieves the shape of the given tensor, an array of positive unsigned integer(s) containing the
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* size of each dimension. For example: shape of [[[1, 1, 1], [2, 2, 2]], [[3, 3, 3], [4, 4, 4]]] is
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* [2, 2, 3].
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*
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* @param tensor An input or output tensor.
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* @param error An optional error parameter populated when there is an error in retrieving the
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* shape.
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*
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* @return The shape of the tensor. `nil` if there is an error in retrieving the shape.
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*/
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- (nullable NSArray<NSNumber *> *)shapeOfTensor:(TFLTensor *)tensor error:(NSError **)error;
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@end
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NS_ASSUME_NONNULL_END
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