blob: 96fc7e63c9054daa8e943791c91179f16d41cfb5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* 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.
*/
/************************************************************************/
/* */
/* Project:: */
/* $Author: beq07716 $*/
/* $Revision: 1000 $*/
/* $Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $*/
/* */
/************************************************************************/
/**********************************************************************************
INCLUDE FILES
***********************************************************************************/
#include "VectorArithmetic.h"
/**********************************************************************************
FUNCTION ADD2_SAT_32X32
***********************************************************************************/
void Add2_Sat_32x32( const LVM_INT32 *src,
LVM_INT32 *dst,
LVM_INT16 n )
{
LVM_INT32 a,b,c;
LVM_INT16 ii;
for (ii = n; ii != 0; ii--)
{
a=*src;
src++;
b=*dst;
c=a+b;
if ((((c ^ a) & (c ^ b)) >> 31)!=0) /* overflow / underflow */
{
if(a<0)
{
c=0x80000000l;
}
else
{
c=0x7FFFFFFFl;
}
}
*dst = c;
dst++;
}
return;
}
/**********************************************************************************/
|
