Adds an Objective-C API to TensorFlow Lite experimental.

PiperOrigin-RevId: 216451263

1 files changed, 36 insertions, 0 deletions

diff --git a/tensorflow/contrib/lite/experimental/objc/apis/TFLQuantizationParameters.h b/tensorflow/contrib/lite/experimental/objc/apis/TFLQuantizationParameters.h
new file mode 100644
index 0000000000..3d5cf793c5
--- /dev/null
+++ b/tensorflow/contrib/lite/experimental/objc/apis/TFLQuantizationParameters.h
@@ -0,0 +1,36 @@
+// Copyright 2018 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 <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ * Parameters for asymmetric quantization. Quantized values can be converted to float values using:
+ * `realValue = scale * (quantizedValue - zeroPoint)`.
+ */
+@interface TFLQuantizationParameters : NSObject
+
+/** Scale of asymmetric quantization. */
+@property(nonatomic, readonly) float scale;
+
+/** Zero point of asymmetric quantization. */
+@property(nonatomic, readonly) int32_t zeroPoint;
+
+/** Unavailable. */
+- (instancetype)init NS_UNAVAILABLE;
+
+@end
+
+NS_ASSUME_NONNULL_END