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/*
* 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.
*/
/**********************************************************************************
%created_by: sra % (CM/S)
%name: Mac3s_Sat_16x16.c % (CM/S)
%version: 1 % (CM/S)
%date_created: Fri Nov 13 12:07:13 2009 % (CM/S)
***********************************************************************************/
/**********************************************************************************
INCLUDE FILES
***********************************************************************************/
#include "VectorArithmetic.h"
#include "LVM_Macros.h"
/**********************************************************************************
FUNCTION Mac3S_16X16
***********************************************************************************/
void Mac3s_Sat_16x16( const LVM_INT16 *src,
const LVM_INT16 val,
LVM_INT16 *dst,
LVM_INT16 n)
{
LVM_INT16 ii;
LVM_INT16 srcval;
LVM_INT32 Temp,dInVal;
for (ii = n; ii != 0; ii--)
{
srcval=*src;
src++;
Temp = (srcval *val)>>15;
dInVal = (LVM_INT32)*dst;
Temp = Temp + dInVal;
if (Temp > 0x00007FFF)
{
*dst = 0x7FFF;
}
else if (Temp < -0x00008000)
{
*dst = - 0x8000;
}
else
{
*dst = (LVM_INT16)Temp;
}
dst++;
}
return;
}
/**********************************************************************************/
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