tensorflow/lite/experimental/c/c_api_experimental.h

/* Copyright 2018 The TensorFlow Authors. 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 TENSORFLOW_LITE_EXPERIMENTAL_C_C_API_EXPERIMENTAL_H_
#define TENSORFLOW_LITE_EXPERIMENTAL_C_C_API_EXPERIMENTAL_H_

#include "tensorflow/lite/builtin_ops.h"
#include "tensorflow/lite/experimental/c/c_api.h"

#ifdef __cplusplus
extern "C" {
#endif  // __cplusplus

typedef TfLiteBuiltinOperator TFL_BuiltinOperator;
typedef TfLiteDelegate TFL_Delegate;

// Resets all variable tensors to zero.
TFL_CAPI_EXPORT extern TFL_Status TFL_InterpreterResetVariableTensors(
    TFL_Interpreter* interpreter);

// Adds an op registration for a builtin operator.
//
// NOTE: The interpreter will make a copy of `registration` internally, so the
// caller should ensure that its contents (function pointers, etc...) remain
// valid for the duration of the interpreter's lifetime. A common practice is
// making the provided TFL_Registration instance static.
TFL_CAPI_EXPORT void TFL_InterpreterOptionsAddBuiltinOp(
    TFL_InterpreterOptions* options, TFL_BuiltinOperator op,
    const TFL_Registration* registration, int min_version, int max_version);

// Adds an op registration for a custom operator.
//
// NOTE: The interpreter will make a copy of `registration` internally, so the
// caller should ensure that its contents (function pointers, etc...) remain
// valid for the duration of any created interpreter's lifetime. A common
// practice is making the provided TFL_Registration instance static.
TFL_CAPI_EXPORT void TFL_InterpreterOptionsAddCustomOp(
    TFL_InterpreterOptions* options, const char* name,
    const TFL_Registration* registration, int min_version, int max_version);

// Adds a delegate to be applied during `TFL_Interpreter` creation.
//
// If delegate application fails, interpreter creation will also fail with an
// associated error logged.
//
// NOTE: The caller retains ownership of the delegate and should ensure that it
// remains valid for the duration of any created interpreter's lifetime.
TFL_CAPI_EXPORT extern void TFL_InterpreterOptionsAddDelegate(
    TFL_InterpreterOptions* options, TFL_Delegate* delegate);

#ifdef __cplusplus
}  // extern "C"
#endif  // __cplusplus

#endif  // TENSORFLOW_LITE_EXPERIMENTAL_C_C_API_EXPERIMENTAL_H_