1 /*
2  * SPDX-FileCopyrightText: Copyright 2010-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Licensed under the Apache License, Version 2.0 (the License); you may
7  * not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
14  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 
19 /* ----------------------------------------------------------------------
20  * Project:      CMSIS NN Library
21  * Title:        arm_nn_math_types.h
22  * Description:  Compiler include and basic types
23  *
24  * $Date:        15 August 2023
25  * $Revision:    V.1.3.3
26  *
27  * Target :  Arm(R) M-Profile Architecture
28  * -------------------------------------------------------------------- */
29 
30 #ifndef ARM_NN_MATH_TYPES_H
31 
32 #define ARM_NN_MATH_TYPES_H
33 
34 #include <limits.h>
35 #include <stdint.h>
36 #include <string.h>
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 /**
43  *
44  * @brief Translate architecture feature flags to CMSIS-NN defines
45  *
46  */
47 
48 // CMSIS-NN uses the same macro names as CMSIS-DSP
49 #if (defined(__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1))
50     #ifndef ARM_MATH_DSP
51         #define ARM_MATH_DSP 1
52     #endif
53 #endif
54 
55 #if (defined(__ARM_FEATURE_MVE) && (__ARM_FEATURE_MVE & 1))
56     #ifndef ARM_MATH_MVEI
57         #define ARM_MATH_MVEI 1
58     #endif
59 #endif
60 
61 /**
62  *
63  * @brief Limits macros
64  *
65  */
66 
67 #define NN_Q31_MAX ((int32_t)(0x7FFFFFFFL))
68 #define NN_Q15_MAX ((int16_t)(0x7FFF))
69 #define NN_Q7_MAX ((int8_t)(0x7F))
70 #define NN_Q31_MIN ((int32_t)(0x80000000L))
71 #define NN_Q15_MIN ((int16_t)(0x8000))
72 #define NN_Q7_MIN ((int8_t)(0x80))
73 
74 #ifdef __cplusplus
75 }
76 #endif
77 
78 #endif /*ifndef ARM_NN_MATH_TYPES_H */
79