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
22extern "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 */
37LVM_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
52LVM_INT32 dB_to_Lin32(LVM_INT16  db_fix);
53
54#ifdef __cplusplus
55}
56#endif /* __cplusplus */
57
58#endif  /* __SCALARARITHMETIC_H__ */
59
60
61