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/**********************************************************************************
19   INCLUDE FILES
20***********************************************************************************/
21
22#include "VectorArithmetic.h"
23
24/**********************************************************************************
25   FUNCTION INT32RSHIFTTOINT16_SAT_32X16
26***********************************************************************************/
27
28void Int32RShiftToInt16_Sat_32x16(const LVM_INT32  *src,
29                                  LVM_INT16 *dst,
30                                  LVM_INT16 n,
31                                  LVM_INT16 shift )
32{
33    LVM_INT32 temp;
34    LVM_INT16 ii;
35
36    for (ii = n; ii != 0; ii--)
37    {
38        temp = *src >> shift;
39        src++;
40
41        if (temp > 0x00007FFF)
42        {
43            *dst = 0x7FFF;
44        }
45        else if (temp < -0x00008000)
46        {
47            *dst = - 0x8000;
48        }
49        else
50        {
51            *dst = (LVM_INT16)temp;
52        }
53
54        dst++;
55    }
56
57    return;
58}
59
60/**********************************************************************************/
61