wehub-resource-sync
90 lines
2.9 KiB
Plaintext
90 lines
2.9 KiB
Plaintext
// Copyright 2022 Google Inc. 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.
|
|
|
|
#import "TFLCommonUtil.h"
|
|
|
|
#import "TFLQuantizationParameters+Internal.h"
|
|
#import "tensorflow/lite/objc/apis/TFLTensor.h"
|
|
|
|
#ifdef COCOAPODS
|
|
#import <TensorFlowLiteC/TensorFlowLiteC.h>
|
|
#else
|
|
#include "tensorflow/lite/core/c/c_api.h"
|
|
#endif // COCOAPODS
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
TFLTensorDataType TFLTensorDataTypeFromCTensor(const TfLiteTensor *cTensor) {
|
|
TfLiteType cTensorType = TfLiteTensorType(cTensor);
|
|
switch (cTensorType) {
|
|
case kTfLiteFloat32:
|
|
return TFLTensorDataTypeFloat32;
|
|
case kTfLiteFloat16:
|
|
return TFLTensorDataTypeFloat16;
|
|
case kTfLiteBFloat16:
|
|
return TFLTensorDataTypeBFloat16;
|
|
case kTfLiteFloat64:
|
|
return TFLTensorDataTypeFloat64;
|
|
case kTfLiteInt32:
|
|
return TFLTensorDataTypeInt32;
|
|
case kTfLiteUInt8:
|
|
return TFLTensorDataTypeUInt8;
|
|
case kTfLiteInt8:
|
|
return TFLTensorDataTypeInt8;
|
|
case kTfLiteInt64:
|
|
return TFLTensorDataTypeInt64;
|
|
case kTfLiteBool:
|
|
return TFLTensorDataTypeBool;
|
|
case kTfLiteInt16:
|
|
return TFLTensorDataTypeInt16;
|
|
case kTfLiteNoType:
|
|
case kTfLiteString:
|
|
case kTfLiteComplex64:
|
|
case kTfLiteComplex128:
|
|
case kTfLiteUInt16:
|
|
case kTfLiteUInt32:
|
|
case kTfLiteUInt64:
|
|
case kTfLiteUInt4:
|
|
case kTfLiteInt4:
|
|
case kTfLiteInt2:
|
|
case kTfLiteResource:
|
|
case kTfLiteVariant:
|
|
case kTfLiteFloat8E4M3FN:
|
|
case kTfLiteFloat8E5M2:
|
|
// Not all datatypes are supported in the TfLite Objc API.
|
|
return TFLTensorDataTypeNoType;
|
|
}
|
|
}
|
|
|
|
NSString *__nullable TFLTensorNameFromCTensor(const TfLiteTensor *cTensor) {
|
|
const char *cName = TfLiteTensorName(cTensor);
|
|
if (cName == nullptr) return nil;
|
|
return [NSString stringWithUTF8String:cName];
|
|
}
|
|
|
|
TFLQuantizationParameters *__nullable
|
|
TFLQuantizationParamsFromCTensor(const TfLiteTensor *cTensor) {
|
|
TfLiteQuantizationParams cParams = TfLiteTensorQuantizationParams(cTensor);
|
|
TFLQuantizationParameters *quantizationParams;
|
|
|
|
// TODO(b/119735362): Update this check once the TfLiteQuantizationParams struct has a mode.
|
|
if (cParams.scale != 0.0) {
|
|
quantizationParams = [[TFLQuantizationParameters alloc] initWithScale:cParams.scale
|
|
zeroPoint:cParams.zero_point];
|
|
}
|
|
return quantizationParams;
|
|
}
|
|
|
|
NS_ASSUME_NONNULL_END
|