| /* |
| * Copyright (C) 2004-2010 NXP Software |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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 __SCALARARITHMETIC_H__ |
| #define __SCALARARITHMETIC_H__ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif /* __cplusplus */ |
| |
| |
| /*######################################################################################*/ |
| /* Include files */ |
| /*######################################################################################*/ |
| |
| #include "LVM_Types.h" |
| |
| /*######################################################################################*/ |
| /* Extern function prototypes */ |
| /*######################################################################################*/ |
| |
| /* Absolute value including the corner case for the extreme negative value */ |
| LVM_INT32 Abs_32(LVM_INT32 input); |
| |
| /**************************************************************************************** |
| * Name : dB_to_Lin32() |
| * Input : Signed 16-bit integer |
| * MSB (16) = sign bit |
| * (15->05) = integer part |
| * (04->01) = decimal part |
| * Output : Signed 32-bit integer |
| * MSB (32) = sign bit |
| * (31->16) = integer part |
| * (15->01) = decimal part |
| * Returns : Lin value format 1.16.15 |
| ****************************************************************************************/ |
| |
| LVM_INT32 dB_to_Lin32(LVM_INT16 db_fix); |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| #endif /* __SCALARARITHMETIC_H__ */ |
| |
| |
