/* * 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__ */