1 /*
2  * Copyright (C) 2004-2010 NXP Software
3  * Copyright (C) 2010 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #ifndef __SCALARARITHMETIC_H__
19 #define __SCALARARITHMETIC_H__
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif /* __cplusplus */
24 
25 
26 /*######################################################################################*/
27 /*  Include files                                                                       */
28 /*######################################################################################*/
29 
30 #include "LVM_Types.h"
31 
32 /*######################################################################################*/
33 /*  Extern function prototypes                                                          */
34 /*######################################################################################*/
35 
36 /* Absolute value including the corner case for the extreme negative value */
37 LVM_INT32   Abs_32(LVM_INT32     input);
38 
39 /****************************************************************************************
40  *  Name        : dB_to_Lin32()
41  *  Input       : Signed 16-bit integer
42  *                  MSB (16) = sign bit
43  *                  (15->05) = integer part
44  *                  (04->01) = decimal part
45  *  Output      : Signed 32-bit integer
46  *                  MSB (32) = sign bit
47  *                  (31->16) = integer part
48  *                  (15->01) = decimal part
49  *  Returns     : Lin value format 1.16.15
50  ****************************************************************************************/
51 
52 LVM_INT32 dB_to_Lin32(LVM_INT16  db_fix);
53 
54 #ifdef __cplusplus
55 }
56 #endif /* __cplusplus */
57 
58 #endif  /* __SCALARARITHMETIC_H__ */
59 
60 
61