1 | /* Copyright 2019 The TensorFlow Authors. All Rights Reserved. |
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | |
16 | #ifndef TENSORFLOW_C_TF_DATATYPE_H_ |
17 | #define TENSORFLOW_C_TF_DATATYPE_H_ |
18 | |
19 | #include <stddef.h> |
20 | |
21 | // Macro to control visibility of exported symbols in the shared library (.so, |
22 | // .dylib, .dll). |
23 | // This duplicates the TF_EXPORT macro definition in |
24 | // tensorflow/core/platform/macros.h in order to keep this .h file independent |
25 | // of any other includes. |
26 | #ifdef SWIG |
27 | #define TF_CAPI_EXPORT |
28 | #else |
29 | #if defined(_WIN32) |
30 | #ifdef TF_COMPILE_LIBRARY |
31 | #define TF_CAPI_EXPORT __declspec(dllexport) |
32 | #else |
33 | #define TF_CAPI_EXPORT __declspec(dllimport) |
34 | #endif // TF_COMPILE_LIBRARY |
35 | #else |
36 | #define TF_CAPI_EXPORT __attribute__((visibility("default"))) |
37 | #endif // _WIN32 |
38 | #endif // SWIG |
39 | |
40 | #ifdef __cplusplus |
41 | extern "C" { |
42 | #endif |
43 | |
44 | // -------------------------------------------------------------------------- |
45 | // TF_DataType holds the type for a scalar value. E.g., one slot in a tensor. |
46 | // The enum values here are identical to corresponding values in types.proto. |
47 | typedef enum TF_DataType { |
48 | TF_FLOAT = 1, |
49 | TF_DOUBLE = 2, |
50 | TF_INT32 = 3, // Int32 tensors are always in 'host' memory. |
51 | TF_UINT8 = 4, |
52 | TF_INT16 = 5, |
53 | TF_INT8 = 6, |
54 | TF_STRING = 7, |
55 | TF_COMPLEX64 = 8, // Single-precision complex |
56 | TF_COMPLEX = 8, // Old identifier kept for API backwards compatibility |
57 | TF_INT64 = 9, |
58 | TF_BOOL = 10, |
59 | TF_QINT8 = 11, // Quantized int8 |
60 | TF_QUINT8 = 12, // Quantized uint8 |
61 | TF_QINT32 = 13, // Quantized int32 |
62 | TF_BFLOAT16 = 14, // Float32 truncated to 16 bits. Only for cast ops. |
63 | TF_QINT16 = 15, // Quantized int16 |
64 | TF_QUINT16 = 16, // Quantized uint16 |
65 | TF_UINT16 = 17, |
66 | TF_COMPLEX128 = 18, // Double-precision complex |
67 | TF_HALF = 19, |
68 | TF_RESOURCE = 20, |
69 | TF_VARIANT = 21, |
70 | TF_UINT32 = 22, |
71 | TF_UINT64 = 23, |
72 | } TF_DataType; |
73 | |
74 | // TF_DataTypeSize returns the sizeof() for the underlying type corresponding |
75 | // to the given TF_DataType enum value. Returns 0 for variable length types |
76 | // (eg. TF_STRING) or on failure. |
77 | TF_CAPI_EXPORT extern size_t TF_DataTypeSize(TF_DataType dt); |
78 | |
79 | #ifdef __cplusplus |
80 | } /* end extern "C" */ |
81 | #endif |
82 | |
83 | #endif // TENSORFLOW_C_TF_DATATYPE_H_ |
84 | |